Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351258 | Method and apparatus for tension mooring a floating platform | Donald R. Ray | 1982-09-28 |
| 4281613 | Method of and apparatus for mooring a floating structure | Donald R. Ray | 1981-08-04 |
| 4260292 | Arctic offshore platform | Theodore H. Nezames, Terrence M. Smith, Bruce L. Crager | 1981-04-07 |
| 4198179 | Production riser | Floyd T. Pease, Donald R. Ray, Bruce L. Crager | 1980-04-15 |
| 4193455 | Split stack blowout prevention system | Donald R. Ray, Bruce L. Crager | 1980-03-18 |