Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12060768 | Pressure-activated valve assemblies and methods to remotely activate a valve | — | 2024-08-13 |
| 11927074 | Liquid spring communication sub | Katherine Ann Davies | 2024-03-12 |
| 11555376 | Ball valves, methods to close a ball valve, and methods to form a well barrier | Katherine Ann Davies | 2023-01-17 |
| 11506009 | Remote opening tool | Katherine Ann Davies | 2022-11-22 |
| 11359459 | Remote closing and opening of a barrier valve | Katherine Ann Davies | 2022-06-14 |
| 11111779 | Magnetic position indicator | Katherine Ann Davies, Michael Linley Fripp | 2021-09-07 |
| 10961818 | Ball valve with dissolvable ball | Katherine Ann Davies | 2021-03-30 |
| 10662736 | Hydrostatic equalizing stem check valve | Thomas Murphy | 2020-05-26 |
| 9869162 | Ball valve having dual pistons each individually actuable | Katherine Ann Davies | 2018-01-16 |
| D523208 | Windlass | — | 2006-06-13 |