Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11332990 | Catcher device for a downhole tool | — | 2022-05-17 |
| 10815754 | Splitflow valve and method of use | Richard Earle | 2020-10-27 |
| 9228402 | Anti-stall bypass system for downhole motor | — | 2016-01-05 |
| 8322461 | Drilling apparatus and method | Richard Thomas Hay, Paul Botterell, Terence Allan Schroter | 2012-12-04 |