| Patent | Date |
|---|
Communication Protocol In Directional Drilling System, Apparatus And Method Utilizing Multi-bit Data Symbol Transmission
App 20220106872 - Zeller; Rudolf ; et al. | 2022-04-07 |
Mechanical Shock Resistant Mems Accelerometer Arrangement, Associated Method, Apparatus And System
App 20220099700 - Chau; Albert W. ; et al. | 2022-03-31 |
Communication protocol in directional drilling system, apparatus and method utilizing multi-bit data symbol transmission
Grant 11,230,921 - Zeller , et al. January 25, 2 | 2022-01-25 |
Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system
Grant 11,215,635 - Chau , et al. January 4, 2 | 2022-01-04 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 11,118,442 - Burrows , et al. September 14, 2 | 2021-09-14 |
Rotorcraft Autopilot And Methods
App 20210245871 - Mercer; John E. ; et al. | 2021-08-12 |
Distinguishing False Signals in Cable Locating
App 20210247539 - Mercer; John E. ; et al. | 2021-08-12 |
Multimode Steering and Homing System, Method and Apparatus
App 20210207438 - Shaw; Timothy ; et al. | 2021-07-08 |
Advanced Emergency Collective Actuator with Friction Pull-Off and Method for a Helicopter
App 20210179264 - Marvin; Mark ; et al. | 2021-06-17 |
Advanced steering tool system, method and apparatus
Grant 11,035,218 - Brune , et al. June 15, 2 | 2021-06-15 |
Advanced Underground Homing System, Apparatus and Method
App 20210140304 - Brune; Guenter W. ; et al. | 2021-05-13 |
Tension monitoring arrangement and method
Grant 11,002,623 - Chau , et al. May 11, 2 | 2021-05-11 |
Multimode steering and homing system, method and apparatus
Grant 10,954,719 - Shaw , et al. March 23, 2 | 2021-03-23 |
Rotorcraft autopilot and methods
Grant 10,926,872 - Mercer , et al. February 23, 2 | 2021-02-23 |
Advanced emergency collective actuator with friction pull-off and method for a helicopter
Grant 10,919,622 - Marvin , et al. February 16, 2 | 2021-02-16 |
Distinguishing false signals in cable locating
Grant 10,901,106 - Mercer , et al. January 26, 2 | 2021-01-26 |
Advanced underground homing system, apparatus and method
Grant 10,895,145 - Brune , et al. January 19, 2 | 2021-01-19 |
Tracking Positions Of Personnel, Vehicles, And Inanimate Objects
App 20210010828 - Zeller; Rudolf ; et al. | 2021-01-14 |
Boring Tool Tracking Fundamentally Based On Drill String Length, Pitch And Roll
App 20210002996 - Burrows; James W. ; et al. | 2021-01-07 |
Emergency collective actuator and method for a helicopter
Grant 10,858,095 - Mercer , et al. December 8, 2 | 2020-12-08 |
Drive mechanism and method
Grant 10,859,136 - Mercer December 8, 2 | 2020-12-08 |
Rotorcraft advanced autopilot control arrangement and methods
Grant 10,843,796 - Marvin , et al. November 24, 2 | 2020-11-24 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 10,809,099 - Zeller , et al. October 20, 2 | 2020-10-20 |
System for determining offset and orientation from a planar loop antenna
Grant 10,746,892 - Brune , et al. A | 2020-08-18 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 10,738,588 - Burrows , et al. A | 2020-08-11 |
Advanced Steering Tool System, Method And Apparatus
App 20200165912 - Brune; Guenter W. ; et al. | 2020-05-28 |
Mechanical Shock Resistant MEMS Accelerometer Arrangement, Associated Method, Apparatus and System
App 20200150147 - Chau; Albert W. ; et al. | 2020-05-14 |
Advanced steering tool system, method and apparatus
Grant 10,584,573 - Brune , et al. | 2020-03-10 |
Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system
Grant 10,551,409 - Chau , et al. Fe | 2020-02-04 |
Multimode Steering And Homing System, Method And Apparatus
App 20200032586 - Shaw; Tim ; et al. | 2020-01-30 |
Tracking Positions Of Personnel, Vehicles, And Inanimate Objects
App 20200018621 - Zeller; Rudolf ; et al. | 2020-01-16 |
Rotorcraft Autopilot And Methods
App 20190352003 - Mercer; John E. ; et al. | 2019-11-21 |
Rotorcraft autopilot system, components and methods
Grant 10,464,662 - Mercer , et al. No | 2019-11-05 |
Multimode steering and homing system, method and apparatus
Grant 10,428,583 - Shaw , et al. October 1, 2 | 2019-10-01 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 10,422,664 - Zeller , et al. Sept | 2019-09-24 |
Tension Monitoring Arrangement And Method
App 20190257707 - Chau; Albert W. ; et al. | 2019-08-22 |
Advanced Steering Tool System, Method And Apparatus
App 20190249539 - Brune; Guenter W. ; et al. | 2019-08-15 |
Flux plane locating in an underground drilling system
Grant 10,378,334 - Brune , et al. A | 2019-08-13 |
Boring Tool Tracking Fundamentally Based On Drill String Length, Pitch And Roll
App 20190226316 - Burrows; James W. ; et al. | 2019-07-25 |
Rotorcraft autopilot and methods
Grant 10,351,231 - Mercer , et al. July 16, 2 | 2019-07-16 |
Tension monitoring arrangement and method
Grant 10,281,347 - Chau , et al. | 2019-05-07 |
Emergency Collective Actuator And Method For A Helicopter
App 20190127057 - Mercer; John E. ; et al. | 2019-05-02 |
Advanced steering tool system, method and apparatus
Grant 10,273,796 - Brune , et al. | 2019-04-30 |
Locating arrangement and method using boring tool and cable locating signals
Grant 10,254,425 - Brune , et al. | 2019-04-09 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 10,246,985 - Burrows , et al. | 2019-04-02 |
Advanced Underground Homing System, Apparatus And Method
App 20190048711 - Brune; Guenter W. ; et al. | 2019-02-14 |
Distinguishing False Signals In Cable Locating
App 20190033480 - Mercer; John E. ; et al. | 2019-01-31 |
Flux Plane Locating In An Underground Drilling System
App 20190024502 - Brune; Guenter W. ; et al. | 2019-01-24 |
Locating Technique And Apparatus Using An Approximated Dipole Signal
App 20190011590 - Brune; Guenter W. ; et al. | 2019-01-10 |
Rotorcraft Autopilot System, Components And Methods
App 20180346110 - Mercer; John E. ; et al. | 2018-12-06 |
Control interface, system and method
Grant 10,124,882 - Golborne , et al. November 13, 2 | 2018-11-13 |
Advanced underground homing system, apparatus and method
Grant 10,107,090 - Brune , et al. October 23, 2 | 2018-10-23 |
Flux plane locating in an underground drilling system
Grant 10,107,091 - Brune , et al. October 23, 2 | 2018-10-23 |
Transmitter with locating signal frequency phase shift based on switchable cable coupling
Grant 10,101,487 - Mercer , et al. October 16, 2 | 2018-10-16 |
Emergency collective actuator and method for a helicopter
Grant 10,099,781 - Mercer , et al. October 16, 2 | 2018-10-16 |
Transmitter using a planar loop antenna for generating a locating signal
Grant 10,094,946 - Brune , et al. October 9, 2 | 2018-10-09 |
Mechanical Shock Resistant Mems Accelerometer Arrangement, Associated Method, Apparatus And System
App 20180252746 - Chau; Albert W. ; et al. | 2018-09-06 |
Rotorcraft autopilot system, components and methods
Grant 10,059,441 - Mercer , et al. August 28, 2 | 2018-08-28 |
Advanced Emergency Collective Actuator With Friction Pull-off And Method For A Helicopter
App 20180208303 - Marvin; Mark ; et al. | 2018-07-26 |
Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system
Grant 9,983,227 - Chau , et al. May 29, 2 | 2018-05-29 |
Advanced emergency collective actuator with friction pull-off and method for a helicopter
Grant 9,957,041 - Marvin , et al. May 1, 2 | 2018-05-01 |
Rotorcraft Autopilot And Methods
App 20180093763 - Mercer; John E. ; et al. | 2018-04-05 |
Inground transmitter with roll orientation pattern based frequency change
Grant 9,915,747 - Brune , et al. March 13, 2 | 2018-03-13 |
Emergency Collective Actuator And Method For A Helicopter
App 20180044007 - Mercer; John E. ; et al. | 2018-02-15 |
Distinguishing False Signals In Cable Locating
App 20180038982 - Mercer; John E. ; et al. | 2018-02-08 |
Locating Arrangement And Method Using Boring Tool And Cable Locating Signals
App 20180031724 - Brune; Guenter W. ; et al. | 2018-02-01 |
Advanced Steering Tool System, Method And Apparatus
App 20180023380 - Brune; Guenter W. ; et al. | 2018-01-25 |
Tension Monitoring Arrangement And Method
App 20180017454 - Chau; Albert W. ; et al. | 2018-01-18 |
Communication Protocol In Directional Drilling System, Apparatus And Method Utilizing Multi-bit Data Symbol Transmission
App 20180010447 - Zeller; Rudolf ; et al. | 2018-01-11 |
Multimode Steering And Homing System, Method And Apparatus
App 20170342774 - Shaw; Tim ; et al. | 2017-11-30 |
Boring tool control using remote locator
Grant 9,810,053 - Mercer November 7, 2 | 2017-11-07 |
Transmitter for emitting reference signal to distinguish false signals in cable locating
Grant 9,804,287 - Mercer , et al. October 31, 2 | 2017-10-31 |
Locating arrangement and method using boring tool and cable locating signals
Grant 9,798,032 - Brune , et al. October 24, 2 | 2017-10-24 |
Emergency collective actuator and method for a helicopter
Grant 9,789,958 - Mercer , et al. October 17, 2 | 2017-10-17 |
Tension monitoring arrangement and method
Grant 9,778,121 - Chau , et al. October 3, 2 | 2017-10-03 |
Advanced steering tool system, method and apparatus
Grant 9,777,567 - Brune , et al. October 3, 2 | 2017-10-03 |
Flux Plane Locating In An Underground Drilling System
App 20170268329 - Brune; Guenter W. ; et al. | 2017-09-21 |
Rotorcraft autopilot and methods
Grant 9,758,244 - Mercer , et al. September 12, 2 | 2017-09-12 |
Multimode steering and homing system, method and apparatus
Grant 9,759,012 - Shaw , et al. September 12, 2 | 2017-09-12 |
Control Interface, System And Method
App 20170240268 - Golborne; Carlos E. ; et al. | 2017-08-24 |
Communication protocol in directional drilling system, apparatus and method utilizing multi-bit data symbol transmission
Grant 9,739,140 - Zeller , et al. August 22, 2 | 2017-08-22 |
Flux plane locating in an underground drilling system
Grant 9,683,436 - Brune , et al. June 20, 2 | 2017-06-20 |
Locating Technique And Apparatus Using An Approximated Dipole Signal
App 20170160418 - Brune; Guenter W. ; et al. | 2017-06-08 |
Control interface, system and method
Grant 9,650,125 - Golborne , et al. May 16, 2 | 2017-05-16 |
Rotorcraft Autopilot System, Components And Methods
App 20170129599 - Mercer; John E. ; et al. | 2017-05-11 |
Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method
Grant 9,628,658 - Mercer April 18, 2 | 2017-04-18 |
Multimode Steering And Homing System, Method And Apparatus
App 20170089140 - Shaw; Tim ; et al. | 2017-03-30 |
Mechanical Shock Resistant Mems Accelerometer Arrangement, Associated Method, Apparatus And System
App 20170082654 - Chau; Albert W. ; et al. | 2017-03-23 |
Multi-frequency Boring Tool Locating System And Method
App 20170075018 - Brune; Guenter W. ; et al. | 2017-03-16 |
Rotorcraft autopilot system, components and methods
Grant 9,586,681 - Mercer , et al. March 7, 2 | 2017-03-07 |
Flux Plane Locating in an Underground Drilling System
App 20170058663 - Brune; Guenter W. ; et al. | 2017-03-02 |
Locating Arrangement And Method Using Boring Tool And Cable Locating Signals
App 20170059733 - Brune; Guenter W. ; et al. | 2017-03-02 |
Receiver using an approximated dipole signal
Grant 9,581,717 - Brune , et al. February 28, 2 | 2017-02-28 |
Emergency Collective Actuator And Method For A Helicopter
App 20170050728 - Mercer; John E. ; et al. | 2017-02-23 |
Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system
Grant 9,551,730 - Chau , et al. January 24, 2 | 2017-01-24 |
Advanced Emergency Collective Actuator With Friction Pull-off And Method For A Helicopter
App 20170008624 - Marvin; Mark ; et al. | 2017-01-12 |
Flux plane locating in an underground drilling system
Grant 9,519,074 - Brune , et al. December 13, 2 | 2016-12-13 |
Emergency collective actuator and method for a helicopter
Grant 9,511,856 - Mercer , et al. December 6, 2 | 2016-12-06 |
Tone detection apparatus and method
Grant 9,513,397 - Brune , et al. December 6, 2 | 2016-12-06 |
Control Interface, System And Method
App 20160347442 - Golborne; Carlos E. ; et al. | 2016-12-01 |
Advanced Underground Homing System, Apparatus And Method
App 20160348496 - Brune; Guenter W. ; et al. | 2016-12-01 |
Locating arrangement and method using boring tool and cable locating signals
Grant 9,507,046 - Brune , et al. November 29, 2 | 2016-11-29 |
Boring Tool Control Using Remote Locator
App 20160298440 - Mercer; John E. | 2016-10-13 |
Boring Tool Tracking Fundamentally Based On Drill String Length, Pitch And Roll
App 20160281491 - Burrows; James W. ; et al. | 2016-09-29 |
Advanced Steering Tool System, Method And Apparatus
App 20160265338 - Brune; Guenter W. ; et al. | 2016-09-15 |
Emergency Collective Actuator And Method For A Helicopter
App 20160251078 - Mercer; John E. ; et al. | 2016-09-01 |
Tracking Positions Of Personnel, Vehicles, And Inanimate Objects
App 20160252369 - Zeller; Rudolf ; et al. | 2016-09-01 |
Advanced underground homing system, apparatus and method
Grant 9,422,804 - Brune , et al. August 23, 2 | 2016-08-23 |
Control interface, system and method
Grant 9,415,862 - Golborne , et al. August 16, 2 | 2016-08-16 |
Distinguishing False Signals In Cable Locating
App 20160231447 - Mercer; John E. ; et al. | 2016-08-11 |
Centripetal Acceleration Determination, Centripetal Acceleration Based Velocity Tracking System And Methods
App 20160216379 - Mercer; John E. | 2016-07-28 |
Boring tool control using remote locator
Grant 9,388,683 - Mercer July 12, 2 | 2016-07-12 |
Flux Plane Locating In An Underground Drilling System
App 20160178783 - Brune; Guenter W. ; et al. | 2016-06-23 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 9,371,725 - Burrows , et al. June 21, 2 | 2016-06-21 |
Advanced steering tool system, method and apparatus
Grant 9,360,579 - Brune , et al. June 7, 2 | 2016-06-07 |
Rotorcraft Autopilot And Methods
App 20160152330 - Mercer; John E. ; et al. | 2016-06-02 |
Tension Monitoring Arrangement And Method
App 20160146683 - Chau; Albert W. ; et al. | 2016-05-26 |
Drive Mechanism And Method
App 20160146290 - Mercer; John E. | 2016-05-26 |
Advanced Steering Tool System, Method And Apparatus
App 20160138340 - Brune; Guenter W. ; et al. | 2016-05-19 |
Distinguishing false signals in cable locating based on a modulated reference signal
Grant 9,335,431 - Mercer , et al. May 10, 2 | 2016-05-10 |
Locating Arrangement And Method Using Boring Tool And Cable Locating Signals
App 20160124110 - Brune; Guenter W. ; et al. | 2016-05-05 |
Centripetal acceleration determination, centripetal acceleration based velocity tracking system and methods
Grant 9,309,004 - Mercer April 12, 2 | 2016-04-12 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 9,310,507 - Zeller , et al. April 12, 2 | 2016-04-12 |
Electronic time stamping apparatus as a part of a system for use with an inground transmitter
Grant 9,310,509 - Mercer April 12, 2 | 2016-04-12 |
Arrangement For Reading From And/or Writing To Flexible Sheet Media In A Curved Configuration And Method
App 20160100076 - Mercer; John E. | 2016-04-07 |
Flux plane locating in an underground drilling system
Grant 9,291,738 - Brune , et al. March 22, 2 | 2016-03-22 |
Communication Protocol In Directional Drilling System, Apparatus And Method Utilizing Multi-bit Data Symbol Transmission
App 20160069180 - Zeller; Rudolf ; et al. | 2016-03-10 |
Rotorcraft autopilot and methods
Grant 9,272,780 - Mercer , et al. March 1, 2 | 2016-03-01 |
Tension monitoring arrangement and method
Grant 9,274,013 - Chau , et al. March 1, 2 | 2016-03-01 |
Drive mechanism and method
Grant 9,267,575 - Mercer February 23, 2 | 2016-02-23 |
Locating arrangement and method using boring tool and cable locating signals
Grant 9,261,621 - Brune , et al. February 16, 2 | 2016-02-16 |
Rotorcraft Autopilot System, Components And Methods
App 20160023758 - Mercer; John E. ; et al. | 2016-01-28 |
Advanced steering tool system, method and apparatus
Grant 9,244,189 - Brune , et al. January 26, 2 | 2016-01-26 |
Mechanical Shock Resistant Mems Accelerometer Arrangement, Associated Method, Apparatus And System
App 20160003863 - Chau; Albert W. ; et al. | 2016-01-07 |
Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method
Grant 9,215,343 - Mercer December 15, 2 | 2015-12-15 |
Advanced Steering Tool System, Method And Apparatus
App 20150345284 - Brune; Guenter W. ; et al. | 2015-12-03 |
Control Interface, System And Method
App 20150329199 - Golborne; Carlos E. ; et al. | 2015-11-19 |
Rotorcraft autopilot system, components and methods
Grant 9,150,308 - Mercer , et al. October 6, 2 | 2015-10-06 |
Advanced steering tool system, method and apparatus
Grant 9,133,703 - Brune , et al. September 15, 2 | 2015-09-15 |
Tracking Positions Of Personnel, Vehicles, And Inanimate Objects
App 20150234074 - Zeller; Rudolf ; et al. | 2015-08-20 |
Boring Tool Control Using Remote Locator
App 20150211356 - Mercer; John E. | 2015-07-30 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 9,035,656 - Zeller , et al. May 19, 2 | 2015-05-19 |
Boring tool control using remote locator
Grant 8,997,890 - Mercer April 7, 2 | 2015-04-07 |
Emergency collective actuator and method for a helicopter
Grant 8,910,909 - Mercer , et al. December 16, 2 | 2014-12-16 |
Arrangement For Reading From And/or Writing To Flexible Sheet Media In A Curved Configuration And Method
App 20140355081 - Mercer; John E. | 2014-12-04 |
Emergency Collective Actuator And Method For A Helicopter
App 20140332633 - Mercer; John E. ; et al. | 2014-11-13 |
Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method
Grant 8,842,345 - Mercer September 23, 2 | 2014-09-23 |
Drive Mechanism And Method
App 20140260741 - Mercer; John E. | 2014-09-18 |
Multi-frequency Boring Tool Locating System And Method
App 20140266212 - Brune; Guenter W. ; et al. | 2014-09-18 |
Boring Technique Using Locate Point Measurements For Boring Tool Depth Prediction
App 20140210478 - Mercer; John E. | 2014-07-31 |
Distinguishing False Signals In Cable Locating
App 20140210477 - Mercer; John E. ; et al. | 2014-07-31 |
Apparatus for monitoring a positional relationship between a boring tool and an inground line
Grant 8,786,285 - Mercer , et al. July 22, 2 | 2014-07-22 |
Magnetic biasing apparatus
Grant 8,766,752 - Mercer July 1, 2 | 2014-07-01 |
Locating Technique And Apparatus Using An Approximated Dipole Signal
App 20140167764 - Brune; Guenter W. ; et al. | 2014-06-19 |
Boring tool locating signal frequency tracking apparatus
Grant 8,754,648 - Brune , et al. June 17, 2 | 2014-06-17 |
Locating Arrangement And Method Using Boring Tool And Cable Locating Signals
App 20140163886 - Brune; Guenter W. ; et al. | 2014-06-12 |
Tracking Positions Of Personnel, Vehicles, And Inanimate Objects
App 20140159730 - Zeller; Rudolf ; et al. | 2014-06-12 |
Flux Plane Locating in an Underground Drilling System
App 20140152311 - Brune; Guenter W. ; et al. | 2014-06-05 |
Advanced Steering Tool System, Method And Apparatus
App 20140138156 - Brune; Guenter W. ; et al. | 2014-05-22 |
Establishing Positions Of Locating Field Detectors And Path Mapping In Underground Boring Tool Applications
App 20140131103 - Brune; Guenter W. ; et al. | 2014-05-15 |
Electronic time stamping apparatus for use with an inground transmitter
Grant 8,710,844 - Mercer April 29, 2 | 2014-04-29 |
Boring Tool Tracking Fundamentally Based On Drill String Length, Pitch And Roll
App 20140110170 - Burrows; James W. ; et al. | 2014-04-24 |
Method for distinguishing a locating signal from a false locating signal
Grant 8,698,501 - Mercer , et al. April 15, 2 | 2014-04-15 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 8,686,731 - Zeller , et al. April 1, 2 | 2014-04-01 |
Locating technique and apparatus using an approximated dipole signal
Grant 8,686,917 - Brune , et al. April 1, 2 | 2014-04-01 |
Centripetal Acceleration Determination, Centripetal Acceleration Based Velocity Tracking System And Methods
App 20140088800 - Mercer; John E. | 2014-03-27 |
Flux plane locating in an underground drilling system
Grant 8,680,864 - Brune , et al. March 25, 2 | 2014-03-25 |
Locating arrangement and method using boring tool and cable locating signals
Grant 8,674,700 - Brune , et al. March 18, 2 | 2014-03-18 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications
Grant 8,668,030 - Brune , et al. March 11, 2 | 2014-03-11 |
Advanced steering tool system, method and apparatus
Grant 8,659,298 - Brune , et al. February 25, 2 | 2014-02-25 |
Emergency collective actuator and method for a helicopter
Grant 8,651,425 - Mercer , et al. February 18, 2 | 2014-02-18 |
Rotorcraft Advanced Autopilot Control Arrangement And Methods
App 20140027565 - Marvin; Mark ; et al. | 2014-01-30 |
Rotorcraft Autopilot System, Components And Methods
App 20140027566 - Mercer; John E. ; et al. | 2014-01-30 |
Rotorcraft Autopilot And Methods
App 20140027564 - Mercer; John E. ; et al. | 2014-01-30 |
Arrangement For Reading From And/or Writing To Flexible Sheet Media In A Curved Configuration And Method
App 20140022610 - Mercer; John E. | 2014-01-23 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 8,622,150 - Burrows , et al. January 7, 2 | 2014-01-07 |
Tension Monitoring Arrangement And Method
App 20130319136 - Chau; Albert W. ; et al. | 2013-12-05 |
Utility pull-back tension monitoring arrangement with sensor output compensation and method
Grant 8,499,646 - Chau , et al. August 6, 2 | 2013-08-06 |
Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method
Grant 8,477,389 - Mercer July 2, 2 | 2013-07-02 |
Establishing Positions Of Locating Field Detectors And Path Mapping In Underground Boring Tool Applications
App 20130153299 - Brune; Guenter W. ; et al. | 2013-06-20 |
Advanced Underground Homing System, Apparatus And Method
App 20130146356 - Brune; Guenter W. ; et al. | 2013-06-13 |
Drive Mechanism And Method
App 20130146415 - Mercer; John E. | 2013-06-13 |
Boring Tool Control Using Remote Locator
App 20130118810 - Mercer; John E. | 2013-05-16 |
Boring Tool Tracking Fundamentally Based On Drill String Length, Pitch And Roll
App 20130092440 - Burrows; James W. ; et al. | 2013-04-18 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications
Grant 8,393,414 - Brune , et al. March 12, 2 | 2013-03-12 |
Drive mechanism and method
Grant 8,393,454 - Mercer March 12, 2 | 2013-03-12 |
Advanced underground homing system, apparatus and method
Grant 8,381,836 - Brune , et al. February 26, 2 | 2013-02-26 |
Emergency collective actuator and method for a helicopter
Grant 8,360,369 - Mercer , et al. January 29, 2 | 2013-01-29 |
Boring tool control using remote locator
Grant 8,353,365 - Mercer January 15, 2 | 2013-01-15 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 8,342,262 - Burrows , et al. January 1, 2 | 2013-01-01 |
Locating Technique And Apparatus Using An Approximated Dipole Signal
App 20120319691 - Brune; Guenter W. ; et al. | 2012-12-20 |
Arrangement For Reading From And/or Writing To Flexible Sheet Media In A Curved Configuration And Method
App 20120314236 - Mercer; John E. | 2012-12-13 |
Emergency Collective Actuator And Method For A Helicopter
App 20120286088 - Mercer; John E. ; et al. | 2012-11-15 |
Tracking The Positional Relationship Between A Boring Tool And One Or More Buried Lines Using A Composite Magnetic Signal
App 20120286789 - Mercer; John E. ; et al. | 2012-11-15 |
Boring Technique Using Locate Point Measurements For Boring Tool Depth Prediction
App 20120290207 - Mercer; John E. | 2012-11-15 |
Locating technique and apparatus using an approximated dipole signal
Grant 8,264,419 - Brune , et al. September 11, 2 | 2012-09-11 |
Drive Mechanism And Method
App 20120186932 - Mercer; John E. | 2012-07-26 |
Boring Tool Tracking Fundamentally Based On Drill String Length, Pitch And Roll
App 20120175167 - Burrows; James W. ; et al. | 2012-07-12 |
Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method
Grant 8,189,240 - Mercer May 29, 2 | 2012-05-29 |
Method for timestamping boring tool locations
Grant 8,188,747 - Mercer May 29, 2 | 2012-05-29 |
Tracking the positional relationship between a boring tool and at least one buried lines
Grant 8,188,746 - Mercer , et al. May 29, 2 | 2012-05-29 |
Drive mechanism and method
Grant 8,172,057 - Mercer May 8, 2 | 2012-05-08 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 8,157,023 - Burrows , et al. April 17, 2 | 2012-04-17 |
Establishing Positions Of Locating Field Detectors And Path Mapping In Underground Boring Tool Applications
App 20120085582 - Brune; Guenter W. ; et al. | 2012-04-12 |
Distinguishing False Signals In Cable Locating
App 20120062234 - Mercer; John E. ; et al. | 2012-03-15 |
Tension Monitoring Arrangement And Method
App 20120017696 - Chau; Albert W. ; et al. | 2012-01-26 |
Distinguishing false signals in cable locating using a reference signal
Grant 8,080,998 - Mercer , et al. December 20, 2 | 2011-12-20 |
Locating Arrangement And Method Using Boring Tool And Cable Locating Signals
App 20110267063 - Brune; Guenter W. ; et al. | 2011-11-03 |
Multi-frequency Boring Tool Locating System And Method
App 20110267064 - Brune; Guenter W. ; et al. | 2011-11-03 |
Tension monitoring arrangement and method
Grant 8,042,407 - Chau , et al. October 25, 2 | 2011-10-25 |
Arrangement For Reading From And/or Writing To Flexible Sheet Media In A Curved Configuration And Method
App 20110242627 - Mercer; John E. | 2011-10-06 |
Method for establishing the positions of a transmitter and detector in a region
Grant 8,025,109 - Brune , et al. September 27, 2 | 2011-09-27 |
Boring Tool Tracking Fundamentally Based On Drill String Length, Pitch And Roll
App 20110231149 - Burrows; James W. ; et al. | 2011-09-22 |
Tracking Positions Of Personnel, Vehicles, And Inanimate Objects
App 20110204895 - Zeller; Rudolf ; et al. | 2011-08-25 |
Flux Plane Locating In An Underground Drilling System
App 20110199087 - Brune; Guenter W. ; et al. | 2011-08-18 |
Boring Technique Using Locate Point Measurements For Boring Tool Depth Prediction
App 20110193560 - Mercer; John E. | 2011-08-11 |
Drive Mechanism And Method
App 20110192700 - Mercer; John E. | 2011-08-11 |
Multifrequency locating arrangement with frequency designation
Grant 7,990,150 - Brune , et al. August 2, 2 | 2011-08-02 |
Locating arrangement and method using boring tool and cable locating signals
Grant 7,990,152 - Brune , et al. August 2, 2 | 2011-08-02 |
Advanced Underground Homing System, Apparatus and Method
App 20110174539 - Brune; Guenter W. ; et al. | 2011-07-21 |
Boring Tool Control Using Remote Locator
App 20110162889 - Mercer; John E. | 2011-07-07 |
Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method
Grant 7,973,982 - Mercer July 5, 2 | 2011-07-05 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 7,967,080 - Burrows , et al. June 28, 2 | 2011-06-28 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 7,960,973 - Zeller , et al. June 14, 2 | 2011-06-14 |
Flux plane locating in an underground drilling system
Grant 7,956,614 - Brune , et al. June 7, 2 | 2011-06-07 |
Drive mechanism and method
Grant 7,954,614 - Mercer June 7, 2 | 2011-06-07 |
Locating Technique And Apparatus Using An Approximated Dipole Signal
App 20110121835 - Brune; Guenter W. ; et al. | 2011-05-26 |
Emergency Collective Actuator And Method For A Helicopter
App 20110121126 - Mercer; John E. ; et al. | 2011-05-26 |
Tracking The Positional Relationship Between A Boring Tool And One Or More Buried Lines Using A Composite Magnetic Signal
App 20110101985 - Mercer; John E. ; et al. | 2011-05-05 |
Distinguishing False Signals In Cable Locating
App 20110101984 - Mercer; John E. ; et al. | 2011-05-05 |
Boring tool control using remote locator
Grant 7,926,589 - Mercer April 19, 2 | 2011-04-19 |
Tracking Positions Of Personnel, Vehicles, And Inanimate Objects
App 20110062959 - Zeller; Rudolf ; et al. | 2011-03-17 |
Locating technique and apparatus using an approximated dipole signal
Grant 7,898,494 - Brune , et al. March 1, 2 | 2011-03-01 |
Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal
Grant 7,888,939 - Mercer , et al. February 15, 2 | 2011-02-15 |
Distinguishing false signals in cable locating
Grant 7,884,610 - Mercer , et al. February 8, 2 | 2011-02-08 |
Locating Arrangement and Method Using Boring Tool and Cable Locating Signals
App 20110025334 - Brune; Guenter W. ; et al. | 2011-02-03 |
Method for establishing a portion of a boring tool path
Grant 7,863,900 - Mercer January 4, 2 | 2011-01-04 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 7,859,249 - Zeller , et al. December 28, 2 | 2010-12-28 |
Tracking The Positional Relationship Between A Boring Tool And One Or More Buried Lines Using A Composite Magnetic Signal
App 20100289495 - Mercer; John E. ; et al. | 2010-11-18 |
Locating arrangement and method using boring tool and cable locating signals
Grant 7,834,631 - Brune , et al. November 16, 2 | 2010-11-16 |
Tension Monitoring Arrangement and Method
App 20100275700 - Chau; Albert W. ; et al. | 2010-11-04 |
Tracking Positions Of Personnel, Vehicles, And Inanimate Objects
App 20100271009 - Zeller; Rudolf ; et al. | 2010-10-28 |
Flux Plane Locating in an Underground Drilling System
App 20100259265 - Brune; Guenter W. ; et al. | 2010-10-14 |
Advanced Steering Tool System, Method and Apparatus
App 20100253537 - Brune; Guenter W. ; et al. | 2010-10-07 |
Boring Tool Tracking Fundamentally Based on Drill String Length, Pitch and Roll
App 20100224411 - Burrows; James W. ; et al. | 2010-09-09 |
Apparatus for monitoring a positional relationship between a boring tool and an inground line
Grant 7,786,732 - Mercer , et al. August 31, 2 | 2010-08-31 |
Advanced steering tool system, method and apparatus
Grant 7,775,301 - Brune , et al. August 17, 2 | 2010-08-17 |
Tension monitoring arrangement and method
Grant 7,775,121 - Chau , et al. August 17, 2 | 2010-08-17 |
Multi-Frequency Boring Tool Locating System and Method
App 20100201366 - Brune; Guenter W. ; et al. | 2010-08-12 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 7,772,849 - Zeller , et al. August 10, 2 | 2010-08-10 |
Arrangement for Reading from and/or Writing to Flexible Sheet Media in a Curved Configration and Method
App 20100195169 - Mercer; John E. | 2010-08-05 |
Flux plane locating in an underground drilling system
Grant 7,768,265 - Brune , et al. August 3, 2 | 2010-08-03 |
Boring tool tracking fundamentally based on drill string length, pitch, and roll
Grant 7,743,848 - Burrows , et al. June 29, 2 | 2010-06-29 |
Multi-frequency in-ground locating signal frequency code identification and apparatus
Grant 7,728,595 - Brune , et al. June 1, 2 | 2010-06-01 |
Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method
Grant 7,724,404 - Mercer May 25, 2 | 2010-05-25 |
Flux Plane Locating in an Underground Drilling System
App 20100097064 - Brune; Guenter W. ; et al. | 2010-04-22 |
Locating Arrangement and Method using Boring Tool and Cable Locating Signals
App 20100045294 - Brune; Guenter W. ; et al. | 2010-02-25 |
Flux plane locating in an underground drilling system
Grant 7,663,371 - Brune , et al. February 16, 2 | 2010-02-16 |
Distinguishing False Signals in Cable Locating
App 20090289634 - Mercer; John E. ; et al. | 2009-11-26 |
Tension Monitoring Arrangement and Method
App 20090277277 - Chau; Albert W. ; et al. | 2009-11-12 |
Establishing Positions of Locating Field Detectors and Path Mapping in Underground Boring Tool Applications
App 20090255730 - Brune; Guenter W. ; et al. | 2009-10-15 |
Tracking Positions of Personnel, Vehicles, and Inanimate Objects
App 20090256751 - Zeller; Rudolf ; et al. | 2009-10-15 |
Locating arrangement and method using boring tool and cable locating signals
Grant 7,586,307 - Brune , et al. September 8, 2 | 2009-09-08 |
Phase shifted locating signal as compensation for a coupling configuration phase shift in discriminating a false locating signal
Grant 7,586,308 - Mercer , et al. September 8, 2 | 2009-09-08 |
Multi-Frequency Boring Tool Locating System and Method
App 20090212777 - Brune; Guenter W. ; et al. | 2009-08-27 |
Tension monitoring arrangement and method
Grant 7,578,201 - Chau , et al. August 25, 2 | 2009-08-25 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 7,570,060 - Zeller , et al. August 4, 2 | 2009-08-04 |
Method and apparatus for establishing the position of a sonde in a region using a single detector
Grant 7,562,722 - Brune , et al. July 21, 2 | 2009-07-21 |
Flux Orientation Locating in a Drilling System
App 20090153141 - Mercer; John E. | 2009-06-18 |
Skin depth compensation for an in-ground transmitter
Grant 7,548,065 - Brune , et al. June 16, 2 | 2009-06-16 |
Drive Mechanism and Method
App 20090120756 - Mercer; John E. | 2009-05-14 |
Position and orientation locator/monitor
Grant 7,521,933 - Mercer April 21, 2 | 2009-04-21 |
Boring Tool Tracking Fundamentally Based on Drill String Length, Pitch, and Roll
App 20090071719 - Burrows; James W. ; et al. | 2009-03-19 |
Boring Technique Using Locate Point Measurements for Boring Tool Depth Prediction
App 20090071718 - Mercer; John E. | 2009-03-19 |
Flux orientation locating in a drilling system
Grant 7,495,445 - Mercer February 24, 2 | 2009-02-24 |
Advanced Steering Tool System, Method and Apparatus
App 20090038850 - Brune; Guenter W. ; et al. | 2009-02-12 |
Locating Technique and Apparatus Using an Approximated Dipole Signal
App 20090027055 - Brune; Guenter W. ; et al. | 2009-01-29 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 7,472,761 - Burrows , et al. January 6, 2 | 2009-01-06 |
Tracking Positions of Personnel, Vehicles, and Inanimate Objects
App 20080309345 - Zeller; Rudolf ; et al. | 2008-12-18 |
Boring technique using locate point measurements for boring tool depth prediction
Grant 7,466,135 - Mercer December 16, 2 | 2008-12-16 |
Locating technique and apparatus using an approximated dipole signal
Grant 7,443,359 - Brune , et al. October 28, 2 | 2008-10-28 |
Tracking The Positional Relationship Between A Boring Tool And One Or More Buried Lines Using A Composite Magnetic Signal
App 20080246483 - Mercer; John E. ; et al. | 2008-10-09 |
Locating Arrangement and Method Using Boring Tool and Cable Locating Signals
App 20080246481 - Brune; Guenter W. ; et al. | 2008-10-09 |
Distinguishing False Signals in Cable Locating
App 20080246482 - Mercer; John E. ; et al. | 2008-10-09 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 7,425,829 - Zeller , et al. September 16, 2 | 2008-09-16 |
Tension Monitoring Arrangement and Method
App 20080215258 - Chau; Albert W. ; et al. | 2008-09-04 |
Boring tool tracking/guiding system and method with unconstrained target location geometry
Grant 7,403,013 - Brune , et al. July 22, 2 | 2008-07-22 |
Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal
Grant 7,403,014 - Mercer , et al. July 22, 2 | 2008-07-22 |
Apparatus for distinguishing false signals in cable locating
Grant 7,397,249 - Mercer , et al. July 8, 2 | 2008-07-08 |
Locating arrangement and method using boring tool and cable locating signals
Grant 7,391,216 - Brune , et al. June 24, 2 | 2008-06-24 |
Position and Orientation Locator/Monitor
App 20080129299 - Mercer; John E. | 2008-06-05 |
Establishing Positions of Locating Field Detectors and Path Mapping in Underground Boring Tool Applications
App 20080121431 - Brune; Guenter W. ; et al. | 2008-05-29 |
Multi-Frequency Boring Tool Locating System and Method
App 20080111552 - Brune; Guenter W. ; et al. | 2008-05-15 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications
Grant 7,347,280 - Brune , et al. March 25, 2 | 2008-03-25 |
Flux Orientation Locating in a Drilling System
App 20080068019 - Mercer; John E. | 2008-03-20 |
Tension monitoring arrangement and method
Grant 7,343,816 - Chau , et al. March 18, 2 | 2008-03-18 |
Position and orientation locator/monitor
Grant 7,345,486 - Mercer March 18, 2 | 2008-03-18 |
Boring Tool Tracking Fundamentally Based on Drill String Length, Pitch and Roll
App 20080047750 - Burrows; James W. ; et al. | 2008-02-28 |
Flux Plane Locating in an Underground Drilling System
App 20080042652 - Brune; Guenter W. ; et al. | 2008-02-21 |
Multi-frequency boring tool locating system and method
Grant 7,327,144 - Brune , et al. February 5, 2 | 2008-02-05 |
Flux orientation locating in a drilling system
Grant 7,309,990 - Mercer December 18, 2 | 2007-12-18 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 7,306,053 - Burrows , et al. December 11, 2 | 2007-12-11 |
Flux plane locating in an underground drilling system
Grant 7,304,479 - Brune , et al. December 4, 2 | 2007-12-04 |
Tracking the Positional Relationship Between a Boring Tool and One or More Buried Lines using a Composite Magnetic Signal
App 20070247162 - Mercer; John E. ; et al. | 2007-10-25 |
Boring Tool Control using Remote Locator
App 20070193777 - Mercer; John E. | 2007-08-23 |
Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal
Grant 7,253,628 - Mercer , et al. August 7, 2 | 2007-08-07 |
Boring Tool Tracking/Guiding System and Method with Unconstrained Target Location Geometry
App 20070176603 - Brune; Guenter W. ; et al. | 2007-08-02 |
Locating Technique and Apparatus using an Approximated Dipole Signal
App 20070176842 - Brune; Guenter W. ; et al. | 2007-08-02 |
Distinguishing False Signals in Cable Locating
App 20070170908 - Mercer; John E. ; et al. | 2007-07-26 |
Arrangement for Reading from and/or Writing to Flexible Sheet Media in a Curved Configuration and Method
App 20070159669 - Mercer; John E. | 2007-07-12 |
Boring tool control using remote locator
Grant 7,225,885 - Mercer June 5, 2 | 2007-06-05 |
Boring tool tracking/guiding system and method with unconstrained target location geometry
Grant 7,218,116 - Brune , et al. May 15, 2 | 2007-05-15 |
Flux Plane Locating in an Underground Drilling System
App 20070103158 - Brune; Guenter W. ; et al. | 2007-05-10 |
Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method
Grant 7,212,319 - Mercer May 1, 2 | 2007-05-01 |
Locating technique and apparatus using an approximated dipole signal
Grant 7,209,093 - Brune , et al. April 24, 2 | 2007-04-24 |
Boring Tool Tracking Fundamentally Based on Drill String Length, Pitch and Roll
App 20070084635 - Burrows; James W. ; et al. | 2007-04-19 |
Flux Orientation Locating in a Drilling System
App 20070069732 - Mercer; John E. | 2007-03-29 |
Flux plane locating in an underground drilling system
Grant 7,176,690 - Brune , et al. February 13, 2 | 2007-02-13 |
Position and orientation locator/monitor
App 20070030006 - Mercer; John E. | 2007-02-08 |
Position and orientation locator/monitor
Grant 7,167,005 - Mercer January 23, 2 | 2007-01-23 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 7,165,632 - Burrows , et al. January 23, 2 | 2007-01-23 |
Mapping tool for tracking and/or guiding an underground boring tool
Grant 7,159,672 - Mercer , et al. January 9, 2 | 2007-01-09 |
Flux orientation locating in a drilling system
Grant 7,154,273 - Mercer December 26, 2 | 2006-12-26 |
Distinguishing false signals in cable locating
Grant 7,151,375 - Mercer , et al. December 19, 2 | 2006-12-19 |
Boring tool tracking/guiding system and method with unconstrained target location geometry
App 20060238201 - Brune; Guenter W. ; et al. | 2006-10-26 |
Distinguishing False Signals In Cable Locating
App 20060232258 - Mercer; John E. ; et al. | 2006-10-19 |
Mapping tool for tracking and/or guiding an underground boring tool
App 20060225921 - Mercer; John E. ; et al. | 2006-10-12 |
Locating arrangement and method using boring tool and cable locating signals
App 20060202696 - Brune; Guenter W. ; et al. | 2006-09-14 |
Boring tool tracking/guiding system and method with unconstrained target location geometry
Grant 7,084,636 - Brune , et al. August 1, 2 | 2006-08-01 |
Mapping tool for tracking and/or guiding an underground boring tool
Grant 7,080,698 - Mercer , et al. July 25, 2 | 2006-07-25 |
Boring technique using locate point measurements for boring tool depth prediction
App 20060158194 - Mercer; John E. | 2006-07-20 |
Flux orientation locating in a drilling system
App 20060158193 - Mercer; John E. | 2006-07-20 |
Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal
Grant 7,071,695 - Mercer , et al. July 4, 2 | 2006-07-04 |
Orientation sensor especially suitable for use in an underground boring device
Grant 7,068,053 - Zeller , et al. June 27, 2 | 2006-06-27 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications
App 20060124355 - Brune; Guenter W. ; et al. | 2006-06-15 |
Flux orientation locating in a drilling system
Grant 7,061,244 - Mercer June 13, 2 | 2006-06-13 |
Boring technique using locate point measurements for boring tool depth prediction
Grant 7,049,820 - Mercer May 23, 2 | 2006-05-23 |
Multi-frequency boring tool locating system and method
App 20060087447 - Brune; Guenter W. ; et al. | 2006-04-27 |
Tension monitoring arrangement and method
App 20060075828 - Chau; Albert W. ; et al. | 2006-04-13 |
Method of establishing positions of locating field detectors and path mapping in underground boring tool applications
Grant 7,021,403 - Brune , et al. April 4, 2 | 2006-04-04 |
Multi-frequency boring tool locating system and method
Grant 7,015,697 - Brune , et al. March 21, 2 | 2006-03-21 |
Boring tool tracking/guiding system and method with unconstrained target location geometry
App 20060028207 - Brune; Guenter W. ; et al. | 2006-02-09 |
Tension monitoring arrangement and method
Grant 6,993,981 - Chau , et al. February 7, 2 | 2006-02-07 |
Boring technique using locate point measurements for boring tool depth prediction
App 20050280420 - Mercer, John E. | 2005-12-22 |
Boring tool tracking/guiding system and method with unconstrained target location geometry
Grant 6,975,119 - Brune , et al. December 13, 2 | 2005-12-13 |
Locating technique and apparatus using an approximated dipole signal
App 20050247484 - Brune, Guenter W. ; et al. | 2005-11-10 |
Flux plane locating in an underground drilling system
Grant 6,963,201 - Brune , et al. November 8, 2 | 2005-11-08 |
Boring tool control using remote locator
App 20050236186 - Mercer, John E. | 2005-10-27 |
Mapping tool for tracking and/or guiding an underground boring tool
App 20050236185 - Mercer, John E. ; et al. | 2005-10-27 |
Flux plane locating in an underground drilling system
App 20050237062 - Brune, Guenter W. ; et al. | 2005-10-27 |
Determination of actual path of inground device based on information corresponding to reference point measurements
Grant 6,954,073 - Mercer October 11, 2 | 2005-10-11 |
Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method
App 20050219589 - Mercer, John E. | 2005-10-06 |
Boring Tool Tracking/guiding System And Method With Unconstrained Target Location Geometry
App 20050212519 - Brune, Guenter W. ; et al. | 2005-09-29 |
Orientation sensor especially suitable for use in an underground boring device
App 20050212536 - Zeller, Rudolf ; et al. | 2005-09-29 |
Boring tool control using remote locator
Grant 6,935,439 - Mercer August 30, 2 | 2005-08-30 |
Locating technique and apparatus using an approximated dipole signal
Grant 6,927,741 - Brune , et al. August 9, 2 | 2005-08-09 |
Position and orientation locator/monitor
Grant 6,924,645 - Mercer August 2, 2 | 2005-08-02 |
Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal
App 20050162169 - Mercer, John E. ; et al. | 2005-07-28 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
App 20050133263 - Burrows, James W. ; et al. | 2005-06-23 |
Boring Tool Tracking/guiding System And Method With Unconstrained Target Location Geometry
App 20050083060 - Brune, Guenter W. ; et al. | 2005-04-21 |
Tracking positions of personnel, vehicles, and inanimate objects
App 20050077085 - Zeller, Rudolf ; et al. | 2005-04-14 |
Position and orientation locator/monitor
App 20050073313 - Mercer, John E. | 2005-04-07 |
Flux orientation locating in a drilling system
App 20050068035 - Mercer, John E. | 2005-03-31 |
Boring technique using locate point measurements for boring tool depth prediction
App 20040216923 - Mercer, John E. | 2004-11-04 |
Flux plane locating in an underground drilling system
App 20040196044 - Brune, Guenter W. ; et al. | 2004-10-07 |
Multi-frequency boring tool locating system and method
App 20040189305 - Brune, Guenter W. ; et al. | 2004-09-30 |
Locating arrangement and method using boring tool and cable locating signals
App 20040174168 - Brune, Guenter W. ; et al. | 2004-09-09 |
Boring tool tracking/guiding system and method with unconstrained target location geometry
App 20040163850 - Brune, Guenter W. ; et al. | 2004-08-26 |
Position and orientation locator/monitor
App 20040140810 - Mercer, John E. | 2004-07-22 |
Flux orientation locating in a drilling system
App 20040140809 - Mercer, John E. | 2004-07-22 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
App 20040134686 - Burrows, James W. ; et al. | 2004-07-15 |
Orientation sensor especially suitable for use in an underground boring device
App 20040095155 - Zeller, Rudolf ; et al. | 2004-05-20 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications
App 20040084218 - Brune, Guenter W. ; et al. | 2004-05-06 |
Mapping tool for tracking and/or guiding an underground boring tool
App 20040045739 - Mercer, John E. ; et al. | 2004-03-11 |
Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal
App 20040008030 - Mercer, John E. ; et al. | 2004-01-15 |
Flux orientation locating in a drilling system
App 20030208318 - Mercer, John E. | 2003-11-06 |
Skin depth compensation in underground boring applications
App 20030201126 - Brune, Guenter W. ; et al. | 2003-10-30 |
| 