Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37538 | Ram type blowout preventer | — | 2002-02-05 |
| 6173770 | Shear ram for ram-type blowout preventer | — | 2001-01-16 |
| 6089321 | Pressure balanced choke and kill line connector | — | 2000-07-18 |
| 5655745 | Low profile and lightweight high pressure blowout preventer | — | 1997-08-12 |
| 5647572 | Low profile and lightweight high pressure blowout preventer | — | 1997-07-15 |
| 5645098 | Low profile and lightweight high pressure blowout preventer | — | 1997-07-08 |
| 5642872 | Low profile and lightweight high pressure blowout preventer | — | 1997-07-01 |
| 5638855 | Low profile and lightweight high pressure blowout preventer | — | 1997-06-17 |
| 5343946 | High pressure packer for a drop-in check valve | — | 1994-09-06 |
| 5255890 | Ram type blowout preventer | — | 1993-10-26 |
| 4579372 | Flowline connector seal | — | 1986-04-01 |
| 4554976 | Test tool for subsea blowout preventer stack | Joseph H. Hynes, George D. Hall | 1985-11-26 |
| 4513823 | Cylindrical gate valve apparatus and method | Joseph H. Hynes | 1985-04-30 |
| 4502534 | Flow diverter | Joseph R. Roche | 1985-03-05 |
| 4496173 | Threaded coupling | Joseph R. Roche, Joseph H. Hynes | 1985-01-29 |
| 4476897 | Flowline connector seal | — | 1984-10-16 |
| 4476935 | Safety valve apparatus and method | Joseph H. Hynes | 1984-10-16 |
| 4477205 | Apparatus for connecting underwater flow line hubs | Michael Best | 1984-10-16 |
| 4444250 | Flow diverter | Julian D. Keithahn, Joseph R. Roche | 1984-04-24 |
| 4402773 | Remote automatic make-up stab-in sealing system | — | 1983-09-06 |
| 4382717 | Connection of underwater lines | — | 1983-05-10 |
| 4371291 | Underwater flowline connector | John M. Des Lierres, Louis E. Copeland | 1983-02-01 |
| 4371005 | Protective cover for underwater flow line hub | Michael Best | 1983-02-01 |
| 4363465 | Extreme temperature, high pressure balanced, rising stem gate valve with super preloaded, stacked, solid lubricated, metal-to-metal seal | — | 1982-12-14 |
| 4346919 | Remote automatic make-up stab-in sealing system | — | 1982-08-31 |