Issued Patents All Time
Showing 26–50 of 273 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10738588 | Boring tool tracking fundamentally based on drill string length, pitch and roll | James W. Burrows, Guenter W. Brune | 2020-08-11 |
| 10584573 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, Rudolf Zeller | 2020-03-10 |
| 10551409 | Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system | Albert W. Chau, Scott Phillips | 2020-02-04 |
| 10464662 | Rotorcraft autopilot system, components and methods | Marc Feifel, Mark Marvin, Nicholas Albion | 2019-11-05 |
| 10428583 | Multimode steering and homing system, method and apparatus | Tim Shaw, Albert W. Chau | 2019-10-01 |
| 10422664 | Tracking positions of personnel, vehicles, and inanimate objects | Rudolf Zeller, Guenter W. Brune, Albert W. Chau | 2019-09-24 |
| 10378334 | Flux plane locating in an underground drilling system | Guenter W. Brune, Albert W. Chau | 2019-08-13 |
| 10351231 | Rotorcraft autopilot and methods | Nicholas Albion, Mark Bartel, Marc Feifel, Mark Marvin | 2019-07-16 |
| 10281347 | Tension monitoring arrangement and method | Albert W. Chau, Rudolf Zeller, Charles Yu Yat Tsang | 2019-05-07 |
| 10273796 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, Rudolf Zeller | 2019-04-30 |
| 10254425 | Locating arrangement and method using boring tool and cable locating signals | Guenter W. Brune, Albert W. Chau | 2019-04-09 |
| 10246985 | Boring tool tracking fundamentally based on drill string length, pitch and roll | James W. Burrows, Guenter W. Brune | 2019-04-02 |
| 10124882 | Control interface, system and method | Carlos E. Golborne, Ray E. Debs, Mark Marvin | 2018-11-13 |
| 10107091 | Flux plane locating in an underground drilling system | Guenter W. Brune, Albert W. Chau | 2018-10-23 |
| 10107090 | Advanced underground homing system, apparatus and method | Guenter W. Brune, Albert W. Chau | 2018-10-23 |
| 10101487 | Transmitter with locating signal frequency phase shift based on switchable cable coupling | Albert W. Chau | 2018-10-16 |
| 10099781 | Emergency collective actuator and method for a helicopter | Mark Marvin | 2018-10-16 |
| 10094946 | Transmitter using a planar loop antenna for generating a locating signal | Guenter W. Brune, Albert W. Chau, Rudolf Zeller | 2018-10-09 |
| 10059441 | Rotorcraft autopilot system, components and methods | Marc Feifel, Mark Marvin, Nicolas Albion | 2018-08-28 |
| 9983227 | Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system | Albert W. Chau, Scott Phillips | 2018-05-29 |
| 9957041 | Advanced emergency collective actuator with friction pull-off and method for a helicopter | Mark Marvin, Derek Paul Vetter | 2018-05-01 |
| 9915747 | Inground transmitter with roll orientation pattern based frequency change | Guenter W. Brune | 2018-03-13 |
| 9810053 | Boring tool control using remote locator | — | 2017-11-07 |
| 9804287 | Transmitter for emitting reference signal to distinguish false signals in cable locating | Albert W. Chau | 2017-10-31 |
| 9798032 | Locating arrangement and method using boring tool and cable locating signals | Guenter W. Brune, Albert W. Chau | 2017-10-24 |