| 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 |