Issued Patents All Time
Showing 51–75 of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10655426 | Methods of completing a well and apparatus therefor | Andrew M. Ferguson, Roger L. Schultz, Gary P. Funkhouser, Jenna N. Robertson | 2020-05-19 |
| 10648290 | Sleeve shifting tool | Brett Fears | 2020-05-12 |
| 10648288 | Flapper valve tool | Roger L. Schultz, Andy Ferguson | 2020-05-12 |
| 10648260 | Flapper valve tool | Roger L. Schultz, Andy Ferguson | 2020-05-12 |
| 10641070 | Flow control in subterranean wells | Roger L. Schultz, Andrew M. Ferguson, Gary P. Funkhouser | 2020-05-05 |
| 10641069 | Flow control in subterranean wells | Roger L. Schultz, Andrew M. Ferguson | 2020-05-05 |
| 10641057 | Flow control in subterranean wells | Roger L. Schultz, Andrew M. Ferguson, Gary P. Funkhouser | 2020-05-05 |
| 10619453 | Flapper valve tool | Roger L. Schultz, Andy Ferguson | 2020-04-14 |
| 10619448 | Flapper valve tool | Roger L. Schultz, Andy Ferguson | 2020-04-14 |
| 10577867 | Downhole force generating tool | Roger L. Schultz, Andy Ferguson | 2020-03-03 |
| 10513902 | Plugging devices and deployment in subterranean wells | Gary P. Funkhouser, Andrew M. Ferguson, Jenna N. Robertson, Roger L. Schultz | 2019-12-24 |
| 10513653 | Flow control in subterranean wells | Roger L. Schultz, Andrew M. Ferguson, Gary P. Funkhouser | 2019-12-24 |
| 10443310 | Method of using a downhole force generating tool | Roger L. Schultz, Andy Ferguson | 2019-10-15 |
| 10400565 | Apparatus for creating bidirectional rotary force or motion in a downhole device and method of using same | Roger L. Schultz, Andrew M. Ferguson, Stanley W. Loving | 2019-09-03 |
| 10370918 | Downhole vibratory apparatus | Roger L. Schultz | 2019-08-06 |
| 10364634 | Hydraulic jar with low reset force | Roger L. Schultz | 2019-07-30 |
| 10233719 | Flow control in subterranean wells | Roger L. Schultz, Andrew M. Ferguson, Gary P. Funkhouser | 2019-03-19 |
| 10189149 | Retention apparatus for portions of adjustable wrench | Roger L. Schultz, Greg A. Kliewer, Andy Ferguson | 2019-01-29 |
| 10180048 | Limited depth abrasive jet cutter | Roger L. Schultz | 2019-01-15 |
| 10024136 | Systems and methods for fluid communication with an earth formation through cement | Roger L. Schultz, Andrew M. Ferguson | 2018-07-17 |
| 10006278 | Method of treating a downhole formation using a downhole packer | Roger L. Schultz, Andy Ferguson, Mark S. Britton | 2018-06-26 |
| 10006268 | Downhole packer with multiple areas of relative rotation | Roger L. Schultz, Andy Ferguson, Mark S. Britton | 2018-06-26 |
| 10006261 | Flapper valve tool | Roger L. Schultz, Andy Ferguson | 2018-06-26 |
| 9945183 | Downhole force generating tool | Roger L. Schultz, Andy Ferguson | 2018-04-17 |
| 9920592 | Well tool with indexing device | — | 2018-03-20 |