| 9441425 |
Drilling tool system and method of manufacture |
Steven G. Villareal, Julian Pop, Kent David Harms, Jeremy Murphy, Albert Hoefel |
2016-09-13 |
| 7543659 |
Modular connector and method |
Ashers Partouche, Kent David Harms, Frederic Latrille, John C. Campbell |
2009-06-09 |
| 7114385 |
Apparatus and method for drawing fluid into a downhole tool |
Patrick Fisseler |
2006-10-03 |
| 7062959 |
Method and apparatus for determining downhole pressures during a drilling operation |
Andrew Kurkjian, Jean-Marc Follini, Patrick Fisseler, Alexander F. Zazovsky |
2006-06-20 |
| 6438782 |
Apparatus for removing material from pipelines and method of making |
— |
2002-08-27 |
| 6213450 |
Valves |
— |
2001-04-10 |
| 6189555 |
Valve arrangements for cleaning the interior of a valve member |
— |
2001-02-20 |
| 6176938 |
Apparatus and method for removing material from pipelines |
— |
2001-01-23 |
| 5855226 |
Valve actuator |
— |
1999-01-05 |
| 5577532 |
Valve actuator |
— |
1996-11-26 |
| 5038815 |
Scrubber and muffler for exhaust gas from gas-powered valve actuators |
— |
1991-08-13 |
| 4414251 |
Method for moisture-proofing refractory fiber for use in fire-resistant enclosures |
— |
1983-11-08 |
| 4380325 |
Gas operated valve actuator |
— |
1983-04-19 |
| 4307813 |
Fire-resistant enclosure |
— |
1981-12-29 |
