Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12196340 | Radially expandable locks for valve systems | Wade Ernest Sheppard | 2025-01-14 |
| 10883331 | Blowout preventer with interlocking ram assembly and method of using same | James Allen Douty | 2021-01-05 |
| 9249643 | Blowout preventer with wedge ram assembly and method of using same | — | 2016-02-02 |
| 9045961 | Blowout preventer seal and method of using same | James Allen Douty | 2015-06-02 |
| 9022126 | Wellsite equipment replacement system and method for using same | Denzal Wayne Van Winkle, James Allen Douty | 2015-05-05 |
| 6974135 | Variable bore ram | David J. McWhorter | 2005-12-13 |