Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823074 | Open head foster-style back-up tong | — | 1998-10-20 |
| 5282755 | Locking device for fluorescent lamps | — | 1994-02-01 |
| 5207495 | Graphic arts light box | — | 1993-05-04 |
| 5069287 | Retrievable guide base for subsea well | David E. Short, William A. Valka | 1991-12-03 |
| 4880061 | Tool for running structures in a well | — | 1989-11-14 |
| 4736799 | Subsea tubing hanger | — | 1988-04-12 |
| 4618285 | Buoyant ring gasket installation tool | — | 1986-10-21 |
| 4602893 | Ring gasket installation tool | Tun C. Gist | 1986-07-29 |
| 4601608 | Subsea hydraulic connection method and apparatus | — | 1986-07-22 |
| 4583569 | Wireline blowout preventer | — | 1986-04-22 |
| 4488740 | Breech block hanger support | Benton Frederick Baugh, Herman O. Henderson, Jr., John H. Fowler | 1984-12-18 |
| 4444421 | Driveable pile connections | — | 1984-04-24 |
| 4294477 | Flexible ring gasket retainer for flanged connectors | — | 1981-10-13 |
| 4272109 | Ring gasket retainer for flanged connectors | — | 1981-06-09 |
| 4209193 | Rigid connector for large diameter pipe | — | 1980-06-24 |