Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8757204 | Riser recoil valve | David Trent | 2014-06-24 |
| 8757205 | Choke assembly tensioner system for a drilling rig | David Trent | 2014-06-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8757204 | Riser recoil valve | David Trent | 2014-06-24 |
| 8757205 | Choke assembly tensioner system for a drilling rig | David Trent | 2014-06-24 |