Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11767683 | Self supporting tilt over mast | — | 2023-09-26 |
| 6352114 | Deep ocean riser positioning system and method of running casing | William A. Hunter, Roger W. Mowell | 2002-03-05 |
| 5263597 | Crane load instrument and method therefor | James T. Stewart | 1993-11-23 |
| 5143232 | Crane load instrument and method therefor | James T. Stewart | 1992-09-01 |
| 4396884 | Ultra slow speed tachometer | — | 1983-08-02 |
| 4321836 | Ton-mile recorder | — | 1982-03-30 |