| 6325159 |
Offshore drilling system |
Charles P. Peterman, Riley G. Goldsmith, John Danna, Kenneth L. Pelata, Kenneth W. Colvin |
2001-12-04 |
| 6102673 |
Subsea mud pump with reduced pulsation |
Kenneth L. Pelata, Kenneth W. Colvin |
2000-08-15 |
| 5868168 |
Pulsation dampener diaphragm |
Clifton T. Pursell |
1999-02-09 |
| 5507467 |
Actuator for a drill string internal blowout preventer |
— |
1996-04-16 |
| 5454605 |
Tool joint connection with interlocking wedge threads |
— |
1995-10-03 |
| 5360240 |
Method of connecting plastic pipe joints to form a liner for an existing pipeline and a plastic pipe joint for forming such liner |
— |
1994-11-01 |
| 5338074 |
Threaded pipe connection |
H. Paul Barringer, Gary E. Kirsch, Lawrence Y. Tung |
1994-08-16 |
| 4817962 |
Universal tubular connection having a variable metal-to-metal seal width corresponding to material yield strength |
Gary E. Kirsch, H. Paul Barringer, Lawrence Y. Tung |
1989-04-04 |
| 4786090 |
Peaked-top resilient seal ring and connection therewith |
— |
1988-11-22 |
| 4736967 |
Tubular pin configuration to prevent galling while ensuring sealing |
Patrick E. McDonald, Gary E. Kirsch, H. Paul Barringer |
1988-04-12 |
| 4703959 |
Threaded pipe connection with compressible seal ring |
Doyle E. Reeves |
1987-11-03 |
| 4610834 |
Apparatus and method for installing internal annular rings in tubular box members |
Burwell E. Baron, Gary E. Kirsch |
1986-09-09 |