Stewart; Jeffrey T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stewart; Jeffrey T..The latest application filed is for "electro hydraulic actuator with spring energized accumulators".
- Stewart; Jeffrey T. - Greeley CO
| Patent | Date |
|---|---|
| Electro hydraulic actuator with spring energized accumulators Grant 7,356,990 - Burdick , et al. April 15, 2 | 2008-04-15 |
| Electro hydraulic actuator with spring energized accumulators App 20070044461 - Burdick; Wade A. ; et al. | 2007-03-01 |
| Pressurized seal arrangement Grant 7,059,418 - Greeb , et al. June 13, 2 | 2006-06-13 |
| Actuator for well-head valve or other similar applications and system incorporating same Grant 6,953,084 - Greeb , et al. October 11, 2 | 2005-10-11 |
| Actuator for well-head valve or other similar applications and system incorporating same App 20040134665 - Greeb, Kevin E. ; et al. | 2004-07-15 |
| Pressurized seal arrangement App 20040135112 - Greeb, Kevin E. ; et al. | 2004-07-15 |
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