| Patent | Date |
|---|
Systems and methods of using a sonde device with a sectional ferrite core structure
Grant 11,300,700 - Olsson , et al. April 12, 2 | 2022-04-12 |
Auto-tuning circuit apparatus and methods
Grant 11,243,278 - Bench , et al. February 8, 2 | 2022-02-08 |
Sonde devices including a sectional ferrite core structure
Grant 11,187,822 - Olsson , et al. November 30, 2 | 2021-11-30 |
Inductive clamp devices, systems, and methods
Grant 11,137,513 - Olsson , et al. October 5, 2 | 2021-10-05 |
Satellite and magnetic field sonde apparatus and methods
Grant 11,119,238 - Olsson , et al. September 14, 2 | 2021-09-14 |
Trackable dipole devices, methods, and systems for use with marking paint sticks
Grant 11,117,150 - Olsson , et al. September 14, 2 | 2021-09-14 |
Multi-frequency locating systems and methods
Grant 10,983,239 - Olsson , et al. April 20, 2 | 2021-04-20 |
Keyed current signal utility locating systems and methods
Grant 10,928,538 - Olsson , et al. February 23, 2 | 2021-02-23 |
Auto-tuning Circuit Apparatus And Methods
App 20210041516 - Bench; Stephanie M. ; et al. | 2021-02-11 |
Electronic marker devices and systems
Grant 10,859,727 - Olsson , et al. December 8, 2 | 2020-12-08 |
Phase-synchronized buried object transmitter and locator methods and apparatus
Grant 10,845,497 - Olsson , et al. November 24, 2 | 2020-11-24 |
Multifunction buried utility locating clips
Grant 10,777,919 - Olsson , et al. Sept | 2020-09-15 |
Utility locator transmitter devices, systems, and methods with dockable apparatus
Grant 10,754,053 - Olsson , et al. A | 2020-08-25 |
Utility locator devices, systems, and methods with satellite and magnetic field sonde antenna systems
Grant 10,571,594 - Olsson , et al. Feb | 2020-02-25 |
Utility locating transmitter apparatus and methods
Grant 10,534,105 - Merewether , et al. Ja | 2020-01-14 |
Pipe inspection cable counter and overlay management system
Grant 10,527,402 - Olsson , et al. J | 2020-01-07 |
Utility Locator Devices, Systems, And Methods With Satellite And Magnetic Field Sonde Antenna Systems
App 20190257975 - Olsson; Mark S. ; et al. | 2019-08-22 |
Utility locator transmitter apparatus and methods
Grant 10,247,845 - Merewether , et al. | 2019-04-02 |
Utility Locating Transmitter Apparatus & Methods
App 20190041538 - Merewether; Ray ; et al. | 2019-02-07 |
Trackable dipole devices, methods, and systems for use with marking paint sticks
Grant 10,105,723 - Olsson , et al. October 23, 2 | 2018-10-23 |
Inductive clamp devices, systems, and methods
Grant 10,088,592 - Olsson , et al. October 2, 2 | 2018-10-02 |
Keyed current signal utility locating systems and methods
Grant 10,073,186 - Olsson , et al. September 11, 2 | 2018-09-11 |
Omni-inducer transmitting devices and methods
Grant 10,042,072 - Olsson , et al. August 7, 2 | 2018-08-07 |
Electronic Marker Devices And Systems
App 20180128931 - Olsson; Mark S. ; et al. | 2018-05-10 |
Multi-frequency locating system and methods
Grant 9,927,545 - Olsson , et al. March 27, 2 | 2018-03-27 |
Phase-synchronized buried object transmitter and locator methods and apparatus
Grant 9,927,546 - Olsson , et al. March 27, 2 | 2018-03-27 |
Utility locator transmitter devices, systems, and methods with dockable apparatus
Grant 9,891,337 - Olsson , et al. February 13, 2 | 2018-02-13 |
High Frequency Ac-powered Drain Cleaning And Inspection Apparatus & Methods
App 20180038093 - Olsson; Mark S. ; et al. | 2018-02-08 |
Utility locating transmitter apparatus and methods
Grant 9,880,309 - Merewether , et al. January 30, 2 | 2018-01-30 |
Sonde devices including a sectional ferrite core
Grant 9,798,033 - Olsson , et al. October 24, 2 | 2017-10-24 |
Electronic marker devices and systems
Grant 9,746,572 - Olsson , et al. August 29, 2 | 2017-08-29 |
Omni-inducer Transmitting Devices And Methods
App 20170235010 - Olsson; Mark S. ; et al. | 2017-08-17 |
Nulled-signal utility locating devices, systems, and methods
Grant 9,684,090 - Olsson , et al. June 20, 2 | 2017-06-20 |
Phase-synchronized Buried Object Transmitter And Locator Methods And Apparatus
App 20170131425 - Olsson; Mark S. ; et al. | 2017-05-11 |
Inductive clamp devices, systems, and methods
Grant 9,632,199 - Olsson , et al. April 25, 2 | 2017-04-25 |
Utility Locator Devices, Systems, And Methods With Satellite And Magnetic Field Sonde Antenna Systems
App 20170017010 - Olsson; Mark S. ; et al. | 2017-01-19 |
Omni-inducer transmitting devices and methods
Grant 9,494,706 - Olsson , et al. November 15, 2 | 2016-11-15 |
Phase synchronized buried object locator apparatus, systems, and methods
Grant 9,435,907 - Olsson , et al. September 6, 2 | 2016-09-06 |
Utility Locating Transmitter Apparatus & Methods
App 20150355363 - Merewether; Ray ; et al. | 2015-12-10 |
Inductive Clamp Devices, Systems, And Methods
App 20150204995 - Olsson; Mark S. ; et al. | 2015-07-23 |
Electronic Marker Devices And Systems
App 20150123664 - Olsson; Mark S. ; et al. | 2015-05-07 |
Utility Locator Transmitter Devices, Systems, And Methods With Dockable Apparatus
App 20150077120 - Olsson; Mark S. ; et al. | 2015-03-19 |
Pipe inspection cable counter and overlay management system
Grant 8,970,211 - Olsson , et al. March 3, 2 | 2015-03-03 |
Sonde Devices Including A Sectional Ferrite Core
App 20140320133 - Olsson; Mark S. ; et al. | 2014-10-30 |
Multi-frequency Locating Systems And Methods
App 20140312903 - Olsson; Mark S. ; et al. | 2014-10-23 |
Omni-inducer Transmitting Devices And Methods
App 20140266213 - Olsson; Mark S. ; et al. | 2014-09-18 |
Multi-frequency Locating Systems And Methods
App 20140191759 - Olsson; Mark S. ; et al. | 2014-07-10 |
Sonde Devices Including A Sectional Ferrite Core Structure
App 20140167766 - Olsson; Mark S. ; et al. | 2014-06-19 |
Omni-inducer Transmitting Devices And Methods
App 20140159729 - Olsson; Mark S. ; et al. | 2014-06-12 |
Multi-frequency Locating Systems And Methods
App 20140132269 - Olsson; Mark S. ; et al. | 2014-05-15 |
Spring clips for use with locating transmitters
Grant 8,717,028 - Merewether , et al. May 6, 2 | 2014-05-06 |
Phase Synchronized Buried Object Locator Apparatus, Systems, And Methods
App 20130200901 - Olsson; Mark S. ; et al. | 2013-08-08 |
High-Q self tuning locating transmitter
Grant 8,013,610 - Merewether , et al. September 6, 2 | 2011-09-06 |
Sondes for locating underground pipes and conduits
Grant 7,863,885 - Olsson , et al. January 4, 2 | 2011-01-04 |
Method for locating buried pipes and cables
Grant 7,825,647 - Olsson , et al. November 2, 2 | 2010-11-02 |
Compact line illuminator for locating buried pipes and cables
App 20090243583 - Olsson; Mark S. ; et al. | 2009-10-01 |
Compact line illuminator for locating buried pipes and cables
Grant 7,557,559 - Olsson , et al. July 7, 2 | 2009-07-07 |
Sondes for locating underground pipes and conduits
Grant 7,298,126 - Olsson , et al. November 20, 2 | 2007-11-20 |
Inductive clamp for applying signal to buried utilities
Grant 7,288,929 - Prsha , et al. October 30, 2 | 2007-10-30 |
Sondes for locating underground pipes and conduits
Grant 7,221,136 - Olsson , et al. May 22, 2 | 2007-05-22 |
Inductive clamp for applying signal to buried utilities
App 20070017301 - Prsha; Jeffrey A. ; et al. | 2007-01-25 |
Sondes for locating underground pipes and conduits
App 20060006875 - Olsson; Mark S. ; et al. | 2006-01-12 |
Video camera head with thermal feedback lighting control
Grant 6,831,679 - Olsson , et al. December 14, 2 | 2004-12-14 |
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