Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10968716 | Wellhead profile with increased fatigue resistance | Baozhi Zhu | 2021-04-06 |
| 10947804 | Metal-to-metal annulus wellhead style seal with pressure energized from above and below | Andrew Ingram, Greg Dunn, Alejandro Martinez, Ronnie L. Hampton | 2021-03-16 |
| 10900316 | Wellhead seal with pressure energizing from below | David L. Ford, Thomas A. Fraser, Daniel Ralph Barnhart, Daniel Caleb Benson | 2021-01-26 |