Issued Patents 2016
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9519074 | Flux plane locating in an underground drilling system | Guenter W. Brune, Albert W. Chau | 2016-12-13 |
| 9513397 | Tone detection apparatus and method | Guenter W. Brune | 2016-12-06 |
| 9511856 | Emergency collective actuator and method for a helicopter | Mark Marvin | 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 |
| 9309004 | Centripetal acceleration determination, centripetal acceleration based velocity tracking system and methods | — | 2016-04-12 |
| 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 |
| 9291738 | Flux plane locating in an underground drilling system | Guenter W. Brune, Albert W. Chau | 2016-03-22 |
| 9274013 | Tension monitoring arrangement and method | Albert W. Chau, Rudolf Zeller, Charles Yu Yat Tsang | 2016-03-01 |
| 9272780 | Rotorcraft autopilot and methods | Nicolas Albion, Mark Bartel, Marc Feifel, Mark Marvin | 2016-03-01 |
| 9267575 | Drive mechanism and method | — | 2016-02-23 |
| 9261621 | Locating arrangement and method using boring tool and cable locating signals | Guenter W. Brune, Albert W. Chau | 2016-02-16 |
| 9244189 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, Rudolf Zeller | 2016-01-26 |