Roy; Carl J
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roy; Carl J.The latest application filed is for "self-anchoring device with force amplification".
- Roy; Carl J - Richmond TX
- Roy; Carl J. - Richmond TX
- Roy; Carl J. - Houston TX
| Patent | Date |
|---|---|
| Self-anchoring device with force amplification Grant 7,854,258 - Sheiretov , et al. December 21, 2 | 2010-12-21 |
| Self-Anchoring Device with Force Amplification App 20090159269 - Sheiretov; Todor K. ; et al. | 2009-06-25 |
| Self-anchoring device with force amplification Grant 7,516,782 - Sheiretov , et al. April 14, 2 | 2009-04-14 |
| Constant force actuator Grant 7,334,642 - Doering , et al. February 26, 2 | 2008-02-26 |
| Self-anchoring Device With Force Amplification App 20070181298 - Sheiretov; Todor K. ; et al. | 2007-08-09 |
| Open hole tractor with tracks Grant 7,156,192 - Guerrero , et al. January 2, 2 | 2007-01-02 |
| Constant Force Actuator App 20060180318 - Doering; Falk W. ; et al. | 2006-08-17 |
| Constant force actuator Grant 6,920,936 - Sheiretov , et al. July 26, 2 | 2005-07-26 |
| Open hole tractor with tracks App 20050034874 - Guerrero, Julio C. ; et al. | 2005-02-17 |
| Bi-directional grip mechanism for a wide range of bore sizes Grant 6,629,568 - Post , et al. October 7, 2 | 2003-10-07 |
| Constant force actuator App 20030173076 - Sheiretov, Todor K. ; et al. | 2003-09-18 |
| Bi-directional grip mechanism for a wide range of bore sizes App 20030024710 - Post, Roger A. ; et al. | 2003-02-06 |
| Conveying a tool along a non-vertical well Grant 6,179,055 - Sallwasser , et al. January 30, 2 | 2001-01-30 |
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