Issued Patents All Time
Showing 51–75 of 273 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9789958 | Emergency collective actuator and method for a helicopter | Mark Marvin | 2017-10-17 |
| 9778121 | Tension monitoring arrangement and method | Albert W. Chau, Rudolf Zeller, Charles Yu Yat Tsang | 2017-10-03 |
| 9777567 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, Rudolf Zeller | 2017-10-03 |
| 9759012 | Multimode steering and homing system, method and apparatus | Tim Shaw, Albert W. Chau | 2017-09-12 |
| 9758244 | Rotorcraft autopilot and methods | Nicolas Albion, Mark Bartel, Marc Feifel, Mark Marvin | 2017-09-12 |
| 9739140 | Communication protocol in directional drilling system, apparatus and method utilizing multi-bit data symbol transmission | Rudolf Zeller, Gary Garrabrant, Timothy Bayliss | 2017-08-22 |
| 9683436 | Flux plane locating in an underground drilling system | Guenter W. Brune, Albert W. Chau | 2017-06-20 |
| 9650125 | Control interface, system and method | Carlos E. Golborne, Ray E. Debs, Mark Marvin | 2017-05-16 |
| 9628658 | Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method | — | 2017-04-18 |
| 9592842 | Railroad locomotive control system having switch position indication and method of use | — | 2017-03-14 |
| 9586681 | Rotorcraft autopilot system, components and methods | Marc Feifel, Mark Marvin, Nicolas Albion | 2017-03-07 |
| 9581717 | Receiver using an approximated dipole signal | Guenter W. Brune, Albert W. Chau, Rudolf Zeller | 2017-02-28 |
| 9551730 | Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system | Albert W. Chau, Scott Phillips | 2017-01-24 |
| 9519074 | Flux plane locating in an underground drilling system | Guenter W. Brune, Albert W. Chau | 2016-12-13 |
| 9511856 | Emergency collective actuator and method for a helicopter | Mark Marvin | 2016-12-06 |
| 9513397 | Tone detection apparatus and method | Guenter W. Brune | 2016-12-06 |
| 9507046 | Locating arrangement and method using boring tool and cable locating signals | Guenter W. Brune, Albert W. Chau | 2016-11-29 |
| 9422804 | Advanced underground homing system, apparatus and method | Guenter W. Brune, Albert W. Chau | 2016-08-23 |
| 9415862 | Control interface, system and method | Carlos E. Golborne, Ray E. Debs, Mark Marvin | 2016-08-16 |
| 9388683 | Boring tool control using remote locator | — | 2016-07-12 |
| 9371725 | Boring tool tracking fundamentally based on drill string length, pitch and roll | James W. Burrows, Guenter W. Brune | 2016-06-21 |
| 9360579 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, Rudolf Zeller | 2016-06-07 |
| 9335431 | Distinguishing false signals in cable locating based on a modulated reference signal | Albert W. Chau | 2016-05-10 |
| 9310509 | Electronic time stamping apparatus as a part of a system for use with an inground transmitter | — | 2016-04-12 |
| 9310507 | Tracking positions of personnel, vehicles, and inanimate objects | Rudolf Zeller, Guenter W. Brune, Albert W. Chau | 2016-04-12 |