Issued Patents 2016
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9528371 | Fluid pressure pulse generating apparatus and method of using same | Jili Liu, Aaron W. Logan | 2016-12-27 |
| 9528370 | Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same | Aaron W. Logan, Justin C. Logan | 2016-12-27 |
| 9512716 | System and method for regulating an electromagnetic telemetry signal sent from downhole to surface | Jili Liu, Jinhua Wang, Aaron W. Logan | 2016-12-06 |
| 9494035 | Fluid pressure pulse generator and method of using same | Aaron W. Logan, Justin C. Logan, Jili Liu | 2016-11-15 |
| 9476297 | Telemetry systems with compensation for signal degradation and related methods | Aaron W. Logan, Jili Liu | 2016-10-25 |
| 9476296 | Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same | Aaron W. Logan, Justin C. Logan | 2016-10-25 |
| 9464519 | Method and apparatus for detecting gamma radiation downhole | Jili Liu, Aaron W. Logan, Mojtaba Kazemi Miraki | 2016-10-11 |
| 9435196 | Downhole electromagnetic and mud pulse telemetry apparatus | Jili Liu, Aaron W. Logan, Mingdong Xu | 2016-09-06 |
| 9422809 | Fluid pressure pulse generator and method of using same | Aaron W. Logan, Justin C. Logan, Jili Liu | 2016-08-23 |
| 9291049 | Downhole electromagnetic and mud pulse telemetry apparatus | Jili Liu, Aaron W. Logan, Mingdong Xu | 2016-03-22 |