| Patent | Date |
|---|
Advanced Inground Device Power Control And Associated Methods
App 20220311284 - Chau; Albert W. ; et al. | 2022-09-29 |
Advanced Passive Interference Management In Directional Drilling System, Apparatus And Methods
App 20220282617 - Zeller; Rudolf ; et al. | 2022-09-08 |
Sonde With Integral Pressure Sensor And Method
App 20220275720 - Chau; Albert W. ; et al. | 2022-09-01 |
Measurement Device And Associated Method For Use In Frequency Selection For Inground Transmission
App 20220252654 - Lam; Loc Viet ; et al. | 2022-08-11 |
Advanced inground operations, system and associated apparatus
Grant 11,408,273 - Chau , et al. August 9, 2 | 2022-08-09 |
Advanced passive interference management in directional drilling system, apparatus and methods
Grant 11,352,876 - Zeller , et al. June 7, 2 | 2022-06-07 |
Sonde with integral pressure sensor and method
Grant 11,339,645 - Chau , et al. May 24, 2 | 2022-05-24 |
Portable device for noise measurement at locations along a path to determine one or more indications
Grant 11,320,474 - Lam , et al. May 3, 2 | 2022-05-03 |
Advanced Drill String Communication System, Components and Methods
App 20220127956 - CHAU; ALBERT W. ; et al. | 2022-04-28 |
Advanced Drill Planning Tool For Topography Characterization, System And Associated Methods
App 20220107167 - Zeller; Rudolf ; et al. | 2022-04-07 |
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 |
Drill Planning Tool For Topography Characterization, System And Associated Methods
App 20220065098 - Zeller; Rudolf ; et al. | 2022-03-03 |
Advanced sonde reliability monitoring, apparatus and associated methods
Grant 11,255,186 - Phillips , et al. February 22, 2 | 2022-02-22 |
Advanced drill string communication system and method
Grant 11,255,185 - Chau , et al. February 22, 2 | 2022-02-22 |
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 |
Directional Drilling Target Steering Apparatus and Method
App 20210340819 - Kolpack; Bruce ; et al. | 2021-11-04 |
Drill planning tool for topography characterization, system and associated methods
Grant 11,149,539 - Zeller , et al. October 19, 2 | 2021-10-19 |
Advanced inground operations, system, communications and associated apparatus
Grant 11,136,881 - Chau , et al. October 5, 2 | 2021-10-05 |
Measurement Device And Associated Method For Use In Frequency Selection For Inground Transmission
App 20210302485 - Lam; Loc Viet ; et al. | 2021-09-30 |
Advanced Drill String Inground Isolator Housing In An Mwd System And Associated Method
App 20210301645 - Chau; Albert W. ; et al. | 2021-09-30 |
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 |
Directional drilling communication protocols, apparatus and methods
Grant 11,118,447 - Chau , et al. September 14, 2 | 2021-09-14 |
Directional Drilling Communication Protocols, Apparatus And Methods
App 20210277777 - CHAU; ALBERT W. ; et al. | 2021-09-09 |
Advanced Passive Interference Management In Directional Drilling System, Apparatus And Methods
App 20210270128 - Zeller; Rudolf ; et al. | 2021-09-02 |
Drill string adapter and method for inground signal coupling
Grant 11,105,161 - Chau , et al. August 31, 2 | 2021-08-31 |
Horizontal Directional Drilling Area Network And Methods
App 20210262338 - Hall; Thomas J. | 2021-08-26 |
Distinguishing False Signals in Cable Locating
App 20210247539 - Mercer; John E. ; et al. | 2021-08-12 |
Rotorcraft Autopilot And Methods
App 20210245871 - Mercer; John E. ; et al. | 2021-08-12 |
Removably attachable GPS module for a portable locator
Grant 11,067,700 - Marvin , et al. July 20, 2 | 2021-07-20 |
Directional drilling target steering apparatus and method
Grant 11,060,355 - Kolpack , et al. July 13, 2 | 2021-07-13 |
Multimode Steering and Homing System, Method and Apparatus
App 20210207438 - Shaw; Timothy ; et al. | 2021-07-08 |
Portable device with electromagnetic noise measurement at multiple frequencies
Grant 11,047,896 - Lam , et al. June 29, 2 | 2021-06-29 |
Advanced Emergency Collective Actuator with Friction Pull-Off and Method for a Helicopter
App 20210179264 - Marvin; Mark ; et al. | 2021-06-17 |
Advanced drill string inground isolator housing in an MWD system and associated method
Grant 11,035,221 - Chau , et al. June 15, 2 | 2021-06-15 |
Advanced steering tool system, method and apparatus
Grant 11,035,218 - Brune , et al. June 15, 2 | 2021-06-15 |
Directional drilling communication protocols, apparatus and methods
Grant 11,015,441 - Chau , et al. May 25, 2 | 2021-05-25 |
Advanced passive interference management in directional drilling system, apparatus and methods
Grant 11,008,856 - Zeller , et al. May 18, 2 | 2021-05-18 |
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 |
Horizontal directional drilling area network and methods
Grant 11,002,129 - Hall May 11, 2 | 2021-05-11 |
Advanced mechanical shock resistance for an accelerometer in an inground device and associated methods
Grant 10,969,399 - Chau , et al. April 6, 2 | 2021-04-06 |
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 |
Drill Planning Tool for Topography Characterization, System and Associated Methods
App 20210025273 - Zeller; Rudolf ; et al. | 2021-01-28 |
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 |
Sonde With Integral Pressure Sensor And Method
App 20200400011 - Chau; Albert W. ; et al. | 2020-12-24 |
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 |
Directional Drilling Target Steering Apparatus and Method
App 20200378189 - Kolpack; Bruce ; et al. | 2020-12-03 |
Rotorcraft advanced autopilot control arrangement and methods
Grant 10,843,796 - Marvin , et al. November 24, 2 | 2020-11-24 |
Advanced Inground Operations, System And Associated Apparatus
App 20200332646 - Chau; Albert W. ; et al. | 2020-10-22 |
Tracking positions of personnel, vehicles, and inanimate objects
Grant 10,809,099 - Zeller , et al. October 20, 2 | 2020-10-20 |
Directional drilling target steering apparatus and method
Grant 10,781,638 - Kolpack , et al. Sept | 2020-09-22 |
Sonde with integral pressure sensor and method
Grant 10,767,468 - Chau , et al. Sep | 2020-09-08 |
System for determining offset and orientation from a planar loop antenna
Grant 10,746,892 - Brune , et al. A | 2020-08-18 |
Advanced inground operations, system and associated apparatus
Grant 10,738,592 - Chau , et al. A | 2020-08-11 |
Boring tool tracking fundamentally based on drill string length, pitch and roll
Grant 10,738,588 - Burrows , et al. A | 2020-08-11 |
Inground Device with Advanced Transmit Power Control and Associated Methods
App 20200232317 - Chau; Albert W. ; et al. | 2020-07-23 |
Advanced Passive Interference Management In Directional Drilling System, Apparatus And Methods
App 20200173275 - Zeller; Rudolf ; et al. | 2020-06-04 |
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 |
Inground device with advanced transmit power control and associated methods
Grant 10,648,326 - Chau , et al. | 2020-05-12 |
Advanced Drill String Communication System and Method
App 20200116014 - CHAU; ALBERT W. ; et al. | 2020-04-16 |
Portable device with electromagnetic noise measurement for inground transmitter frequency selection
Grant 10,598,712 - Lam , et al. | 2020-03-24 |
Advanced passive interference management in directional drilling system, apparatus and methods
Grant 10,598,007 - Zeller , et al. | 2020-03-24 |
Drill string inground isolator in an MWD system and associated method
Grant 10,584,544 - Chau , et al. | 2020-03-10 |
Advanced steering tool system, method and apparatus
Grant 10,584,573 - Brune , et al. | 2020-03-10 |
Advanced sonde reliability monitoring, apparatus and associated methods
Grant 10,563,502 - Phillips , et al. Feb | 2020-02-18 |
Measurement Device And Associated Method For Use In Frequency Selection For Inground Transmission
App 20200041553 - Lam; Loc Viet ; et al. | 2020-02-06 |
Drill String Adapter and Method for Inground Signal Coupling
App 20200040667 - Chau; Albert W. ; et al. | 2020-02-06 |
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 |
Portable device with electromagnetic noise measurement for inground transmitter frequency selection
Grant 10520537 - | 2019-12-31 |
Apparatus for predicting a maximum operational depth for an underground drilling procedure and method
Grant 10,520,536 - Lam , et al. Dec | 2019-12-31 |
Advanced drill string communication system, components and methods
Grant 10,513,919 - Chau , et al. Dec | 2019-12-24 |
Cross-bore Detection During Horizontal Directional Drilling
App 20190369283 - Hanson; David ; et al. | 2019-12-05 |
Advanced Passive Interference Management In Directional Drilling System, Apparatus And Methods
App 20190360328 - Zeller; Rudolf ; et al. | 2019-11-28 |
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 |
Drill string adapter and method for inground signal coupling
Grant 10,443,316 - Chau , et al. Oc | 2019-10-15 |
Advanced Drill String Inground Isolator Housing In An Mwd System And Associated Method
App 20190309615 - Chau; Albert W. ; et al. | 2019-10-10 |
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 |
Sonde With Integral Pressure Sensor And Method
App 20190257191 - Chau; Albert W. ; et al. | 2019-08-22 |
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 |
Advanced passive interference management in directional drilling system, apparatus and methods
Grant 10,378,338 - Zeller , et al. A | 2019-08-13 |
Flux plane locating in an underground drilling system
Grant 10,378,334 - Brune , et al. A | 2019-08-13 |
Horizontal Directional Drilling Area Network And Methods
App 20190234197 - Hall; Thomas J. | 2019-08-01 |
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 |
Inground Device With Advanced Transmit Power Control And Associated Methods
App 20190211670 - Chau; Albert W. ; et al. | 2019-07-11 |
Advanced drill string inground isolator housing in an MWD system and associated method
Grant 10,329,895 - Chau , et al. | 2019-06-25 |
Sonde with integral pressure sensor and method
Grant 10,323,506 - Chau , et al. | 2019-06-18 |
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 |
Horizontal directional drilling area network and methods
Grant 10,267,143 - Hall | 2019-04-23 |
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 |
Inground device with advanced transmit power control and associated methods
Grant 10,240,456 - Chau , et al. | 2019-03-26 |
Directional drilling communication protocols, apparatus and methods
Grant 10,227,867 - Chau , et al. | 2019-03-12 |
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 |
Advanced Inground Device Power Control and Associated Methods
App 20190010797 - Chau; Albert W. ; et al. | 2019-01-10 |
Locating Technique And Apparatus Using An Approximated Dipole Signal
App 20190011590 - Brune; Guenter W. ; et al. | 2019-01-10 |
Advanced Passive Interference Management In Directional Drilling System, Apparatus And Methods
App 20190003299 - Zeller; Rudolf ; et al. | 2019-01-03 |
Removably Attachable Gps Module For A Portable Locator
App 20180364362 - Marvin; Mark ; et al. | 2018-12-20 |
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 |
Emergency collective actuator and method for a helicopter
Grant 10,099,781 - Mercer , et al. October 16, 2 | 2018-10-16 |
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 |
Transmitter using a planar loop antenna for generating a locating signal
Grant 10,094,946 - Brune , et al. October 9, 2 | 2018-10-09 |
Advanced inground device power control and associated methods
Grant 10,072,489 - Chau , et al. September 11, 2 | 2018-09-11 |
Mechanical Shock Resistant Mems Accelerometer Arrangement, Associated Method, Apparatus And System
App 20180252746 - Chau; Albert W. ; et al. | 2018-09-06 |
Removably attachable GPS module for a portable locator
Grant D827,466 - Marvin , et al. September 4, 2 | 2018-09-04 |
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 |
Drill String Inground Isolator In An Mwd System And Associated Method
App 20180202240 - Chau; Albert W. ; et al. | 2018-07-19 |
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 |
Drill string inground isolator in an MWD system and associated method
Grant 9,932,777 - Chau , et al. April 3, 2 | 2018-04-03 |
Inground transmitter with roll orientation pattern based frequency change
Grant 9,915,747 - Brune , et al. March 13, 2 | 2018-03-13 |
Horizontal Directional Drilling Area Network And Methods
App 20180058193 - Hall; Thomas J. | 2018-03-01 |
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 |
Measurement Device And Associated Method For Use In Frequency Selection For Inground Transmission
App 20170350930 - Lam; Loc Viet ; et al. | 2017-12-07 |
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 |
Horizontal directional drilling area network and methods
Grant 9,810,055 - Hall 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 |
Advanced Inground Operations, System And Associated Apparatus
App 20170234120 - Chau; Albert W. ; et al. | 2017-08-17 |
Drill String Adapter And Method For Inground Signal Coupling
App 20170204681 - Chau; Albert W. ; et al. | 2017-07-20 |
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 |
Advanced inground operations, system and associated apparatus
Grant 9,664,027 - Chau , et al. May 30, 2 | 2017-05-30 |
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 |
Drill string adapter and method for inground signal coupling
Grant 9,617,797 - Chau , et al. April 11, 2 | 2017-04-11 |
Directional Drilling Target Steering Apparatus and Method
App 20170089139 - Kolpack; Bruce ; et al. | 2017-03-30 |
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 |
Locating Arrangement And Method Using Boring Tool And Cable Locating Signals
App 20170059733 - Brune; Guenter W. ; et al. | 2017-03-02 |
Flux Plane Locating in an Underground Drilling System
App 20170058663 - 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 |
Drill String Inground Isolator In An Mwd System And Associated Method
App 20170044841 - Chau; Albert W. ; et al. | 2017-02-16 |
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 |
Directional drilling target steering apparatus and method
Grant 9,540,879 - Kolpack , et al. January 10, 2 | 2017-01-10 |
Sonde With Integral Pressure Sensor And Method
App 20160369618 - Chau; Albert W. ; et al. | 2016-12-22 |
Flux plane locating in an underground drilling system
Grant 9,519,074 - Brune , et al. December 13, 2 | 2016-12-13 |
Tone detection apparatus and method
Grant 9,513,397 - Brune , et al. December 6, 2 | 2016-12-06 |
Emergency collective actuator and method for a helicopter
Grant 9,511,856 - Mercer , et al. December 6, 2 | 2016-12-06 |
Control Interface, System And Method
App 20160347442 - Golborne; Carlos E. ; et al. | 2016-12-01 |
Advanced Drill String Inground Isolator Housing In An Mwd System And Associated Method
App 20160348495 - Chau; Albert W. ; et al. | 2016-12-01 |
Advanced Underground Homing System, Apparatus And Method
App 20160348496 - Brune; Guenter W. ; et al. | 2016-12-01 |
Advanced Inground Device Power Control And Associated Methods
App 20160352157 - Chau; Albert 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 |
Drill string inground isolator in an MWD system and associated method
Grant 9,500,041 - Chau , et al. November 22, 2 | 2016-11-22 |
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 |
Sonde with integral pressure sensor and method
Grant 9,435,193 - Chau , et al. September 6, 2 | 2016-09-06 |
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 |
Advanced drill string inground isolator housing in an MWD system and associated method
Grant 9,422,802 - Chau , et al. August 23, 2 | 2016-08-23 |
Advanced inground device power control and associated methods
Grant 9,425,619 - Chau , et al. August 23, 2 | 2016-08-23 |
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 |
Flux Plane Locating In An Underground Drilling System
App 20160178783 - Brune; Guenter W. ; et al. | 2016-06-23 |
Rotorcraft Autopilot And Methods
App 20160152330 - Mercer; John E. ; et al. | 2016-06-02 |
Drive Mechanism And Method
App 20160146290 - Mercer; John E. | 2016-05-26 |
Tension Monitoring Arrangement And Method
App 20160146683 - Chau; Albert W. ; et al. | 2016-05-26 |
Advanced Drill String Communication System, Components And Methods
App 20160138388 - Chau; Albert W. ; et al. | 2016-05-19 |
Advanced Steering Tool System, Method And Apparatus
App 20160138340 - Brune; Guenter W. ; et al. | 2016-05-19 |
Locating Arrangement And Method Using Boring Tool And Cable Locating Signals
App 20160124110 - Brune; Guenter W. ; et al. | 2016-05-05 |
Horizontal Directional Drilling Area Network And Methods
App 20160076360 - Hall; Thomas J. | 2016-03-17 |
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 System, Components And Methods
App 20160023758 - Mercer; John E. ; et al. | 2016-01-28 |
Mechanical Shock Resistant Mems Accelerometer Arrangement, Associated Method, Apparatus And System
App 20160003863 - Chau; Albert W. ; et al. | 2016-01-07 |
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 |
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 |
Drill String Inground Isolator In An Mwd System And Associated Method
App 20150176339 - Chau; Albert W. ; et al. | 2015-06-25 |
Emergency Collective Actuator And Method For A Helicopter
App 20140332633 - Mercer; John E. ; et al. | 2014-11-13 |
Advanced Drill String Inground Isolator Housing In An Mwd System And Associated Method
App 20140262513 - Chau; Albert W. ; et al. | 2014-09-18 |
Drive Mechanism And Method
App 20140260741 - Mercer; John E. | 2014-09-18 |
Advanced Inground Device Power Control and Associated Methods
App 20140265619 - Chau; Albert W. ; et al. | 2014-09-18 |
Multi-frequency Boring Tool Locating System And Method
App 20140266212 - Brune; Guenter W. ; et al. | 2014-09-18 |
Directional Drilling Communication Protocols, Apparatus And Methods
App 20140266771 - Chau; Albert W. ; et al. | 2014-09-18 |
Inground Device With Advanced Transmit Power Control And Associated Methods
App 20140266770 - Chau; Albert W. ; et al. | 2014-09-18 |
Measurement Device And Associated Method For Use In Frequency Selection For Inground Transmission
App 20140247059 - Lam; Loc Viet ; et al. | 2014-09-04 |
Distinguishing False Signals In Cable Locating
App 20140210477 - Mercer; John E. ; et al. | 2014-07-31 |
Boring Technique Using Locate Point Measurements For Boring Tool Depth Prediction
App 20140210478 - Mercer; John E. | 2014-07-31 |
Drill String Adapter And Method For Inground Signal Coupling
App 20140174825 - Chau; Albert W. ; et al. | 2014-06-26 |
Locating Technique And Apparatus Using An Approximated Dipole Signal
App 20140167764 - Brune; Guenter W. ; et al. | 2014-06-19 |
Tracking Positions Of Personnel, Vehicles, And Inanimate Objects
App 20140159730 - Zeller; Rudolf ; et al. | 2014-06-12 |
Locating Arrangement And Method Using Boring Tool And Cable Locating Signals
App 20140163886 - Brune; Guenter W. ; et al. | 2014-06-12 |
Flux Plane Locating in an Underground Drilling System
App 20140152311 - Brune; Guenter W. ; et al. | 2014-06-05 |
Sonde With Integral Pressure Sensor And Method
App 20140150547 - Chau; Albert 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 |
Boring Tool Tracking Fundamentally Based On Drill String Length, Pitch And Roll
App 20140110170 - Burrows; James W. ; et al. | 2014-04-24 |
Centripetal Acceleration Determination, Centripetal Acceleration Based Velocity Tracking System And Methods
App 20140088800 - Mercer; John E. | 2014-03-27 |
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 |
Rotorcraft Advanced Autopilot Control Arrangement And Methods
App 20140027565 - Marvin; Mark ; et al. | 2014-01-30 |
Advanced Inground Operations, System And Associated Apparatus
App 20140020953 - Chau; Albert W. ; et al. | 2014-01-23 |
Advanced Inground Operations, System, Communications And Associated Apparatus
App 20140022088 - Chau; Albert W. ; et al. | 2014-01-23 |
Tension Monitoring Arrangement And Method
App 20130319136 - Chau; Albert W. ; et al. | 2013-12-05 |
Advanced Device For Inground Applications And Associated Methods
App 20130239650 - Chau; Albert W. ; et al. | 2013-09-19 |
Horizontal Directional Drilling Area Network And Methods
App 20130176137 - Kolpack; Bruce ; et al. | 2013-07-11 |
Directional Drilling Target Steering Apparatus And Method
App 20130175092 - Kolpack; Bruce ; et al. | 2013-07-11 |
Advanced Drill String Communication System, Components And Methods
App 20130176139 - Chau; Albert W. ; et al. | 2013-07-11 |
Establishing Positions Of Locating Field Detectors And Path Mapping In Underground Boring Tool Applications
App 20130153299 - Brune; Guenter W. ; et al. | 2013-06-20 |
Drive Mechanism And Method
App 20130146415 - Mercer; John E. | 2013-06-13 |
Advanced Underground Homing System, Apparatus And Method
App 20130146356 - Brune; Guenter W. ; et al. | 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 |
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