Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609440 | Apparatus and method for arresting the propagation of a buckle in a pipeline | — | 1997-03-11 |
| 4971148 | Flow diverter | Hugh L. Elkins | 1990-11-20 |
| 4909327 | Marine riser | — | 1990-03-20 |
| 4832126 | Diverter system and blowout preventer | — | 1989-05-23 |
| 4828024 | Diverter system and blowout preventer | — | 1989-05-09 |
| 4719937 | Marine riser anti-collapse valve | Gabriel G. Alexander | 1988-01-19 |
| 4708513 | Fatigue resistant coupling for tubular members | Shaw-Wen Lin | 1987-11-24 |
| 4646844 | Diverter/bop system and method for a bottom supported offshore drilling rig | Gabriel G. Alexander | 1987-03-03 |
| 4626135 | Marine riser well control method and apparatus | — | 1986-12-02 |
| 4621655 | Marine riser fill-up valve | — | 1986-11-11 |
| 4597447 | Diverter/bop system and method for a bottom supported offshore drilling rig | Gabriel G. Alexander, William L. Carbaugh | 1986-07-01 |
| 4566494 | Vent line system | — | 1986-01-28 |
| 4546828 | Diverter system and blowout preventer | — | 1985-10-15 |
| 4524832 | Diverter/BOP system and method for a bottom supported offshore drilling rig | Gabriel G. Alexander, William L. Carbaugh | 1985-06-25 |
| 4502534 | Flow diverter | Charles D. Morrill | 1985-03-05 |
| 4496173 | Threaded coupling | Charles D. Morrill, Joseph H. Hynes | 1985-01-29 |
| 4487434 | Union-type coupling for marine drilling riser pipe | — | 1984-12-11 |
| 4456062 | Flow diverter | Gabriel G. Alexander, Larry Jack Tippit | 1984-06-26 |
| 4456063 | Flow diverter | — | 1984-06-26 |
| 4444401 | Flow diverter seal with respective oblong and circular openings | William L. Clark | 1984-04-24 |
| 4444250 | Flow diverter | Julian D. Keithahn, Charles D. Morrill | 1984-04-24 |