Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286868 | Well production methods and tubing systems | — | 2025-04-29 |
| 12173563 | Tubing system for well operations | — | 2024-12-24 |
| 12071829 | Wellhead adaptor for dual concentric tubing for well operations | David Charles Daniel | 2024-08-27 |
| 12065891 | Manufacturing methods for dual concentric tubing | — | 2024-08-20 |
| 11142979 | Pump down assist wireline device and method | — | 2021-10-12 |
| 7658229 | Gas lift chamber purge and vent valve and pump systems | David Tucker | 2010-02-09 |
| 7370706 | Gas lift valve for high pressure operation | David Tucker | 2008-05-13 |
| 5782261 | Coiled tubing sidepocket gas lift mandrel system | David Tucker | 1998-07-21 |
| 4606410 | Subsurface safety system | Charles V. Swafford | 1986-08-19 |
| 4508166 | Subsurface safety system | Charles V. Swafford | 1985-04-02 |