Issued Patents 2018
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107091 | Flux plane locating in an underground drilling system | Guenter W. Brune, John E. Mercer | 2018-10-23 |
| 10107090 | Advanced underground homing system, apparatus and method | Guenter W. Brune, John E. Mercer | 2018-10-23 |
| 10101487 | Transmitter with locating signal frequency phase shift based on switchable cable coupling | John E. Mercer | 2018-10-16 |
| 10094946 | Transmitter using a planar loop antenna for generating a locating signal | Guenter W. Brune, John E. Mercer, Rudolf Zeller | 2018-10-09 |
| 10072489 | Advanced inground device power control and associated methods | Scott Phillips, Benjamin John Medeiros | 2018-09-11 |
| 9983227 | Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system | John E. Mercer, Scott Phillips | 2018-05-29 |
| 9932777 | Drill string inground isolator in an MWD system and associated method | Kenneth J. Theimer | 2018-04-03 |