Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9765615 | Optimizing electromagnetic telemetry transmissions | Jili Liu, Mingdong Xu, Aaron W. Logan, David A. Switzer, Monica E. Varga | 2017-09-19 |
| 9719345 | Electromagnetic communications system and method for a drilling operation | David A. Switzer, Jili Liu, Mingdong Xu, Aaron W. Logan | 2017-08-01 |
| 9708903 | Back up directional and inclination sensors and method of operating same | David A. Switzer, Aaron W. Logan, Jili Liu | 2017-07-18 |
| 9670771 | Methods and apparatus for generating electromagnetic telemetry signals | Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Patrick R. Derkacz | 2017-06-06 |
| 9587441 | Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement | Aaron W. Logan, David A. Switzer, Patrick R. Derkacz, Justin C. Logan, Daniel W. Ahmoye +1 more | 2017-03-07 |