Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662736 | Hydrostatic equalizing stem check valve | Peter DW Inglis | 2020-05-26 |
| 10612339 | Packing element having a bonded petal anti-extrusion device | — | 2020-04-07 |
| 10487613 | Retrievable pre-tension packing assembly | — | 2019-11-26 |
| 9850727 | Downhole service tool employing a tool body with a latching profile and a shifting key with multiple profiles | — | 2017-12-26 |
| 4894136 | Electrolytic treatment of a surface | — | 1990-01-16 |
| 4828662 | Electrolytic stripping of cobalt | — | 1989-05-09 |
| 4246088 | Method and apparatus for electrolytic treatment of containers | George S. Bell, Fred Fidler | 1981-01-20 |