Issued Patents 2016
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, David A. Switzer | 2016-12-27 |
| 9523246 | Centralizer for downhole probes | Aaron W. Logan, Patrick R. Derkacz | 2016-12-20 |
| 9500075 | Measurement while drilling fluid pressure pulse generator | Aaron W. Logan | 2016-11-22 |
| 9494035 | Fluid pressure pulse generator and method of using same | Aaron W. Logan, David A. Switzer, Jili Liu | 2016-11-15 |
| 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, David A. Switzer | 2016-10-25 |
| 9464521 | Fluid pressure pulse generating apparatus with pressure compensation device and pulser assembly housing | Aaron W. Logan | 2016-10-11 |
| 9453410 | Mud hammer | Aaron W. Logan | 2016-09-27 |
| 9422809 | Fluid pressure pulse generator and method of using same | Aaron W. Logan, David A. Switzer, Jili Liu | 2016-08-23 |