Stepp; Lee Wayne
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stepp; Lee Wayne.The latest application filed is for "system and method for sensing load on a downhole tool".
- Stepp; Lee Wayne - Comanche OK
| Patent | Date |
|---|---|
| System and method for sensing load on a downhole tool Grant 7,234,517 - Streich , et al. June 26, 2 | 2007-06-26 |
| Downhole sealing tools and method of use Grant 7,048,066 - Ringgenberg , et al. May 23, 2 | 2006-05-23 |
| Downhole sealing tools and method of use Grant 6,966,386 - Ringgenberg , et al. November 22, 2 | 2005-11-22 |
| System and method for sensing load on a downhole tool App 20050167094 - Streich, Steven G. ; et al. | 2005-08-04 |
| Downhole sealing tools and method of use App 20040069503 - Ringgenberg, Paul D. ; et al. | 2004-04-15 |
| Downhole sealing tools and method of use App 20040069485 - Ringgengberg, Paul D. ; et al. | 2004-04-15 |
| Screw-driven wellhead isolation tool Grant 6,666,266 - Starr , et al. December 23, 2 | 2003-12-23 |
| Screw-driven wellhead isolation tool App 20030205373 - Starr, Phillip M. ; et al. | 2003-11-06 |
| Frac plug with caged ball Grant 6,491,116 - Berscheidt , et al. December 10, 2 | 2002-12-10 |
| High temperature high pressure retrievable packer with barrel slip Grant 6,481,497 - Swor , et al. November 19, 2 | 2002-11-19 |
| Frac plug with caged ball App 20020096365 - Berscheidt, Kevin T. ; et al. | 2002-07-25 |
| High temperature high pressure retrievable packer with barrel slip App 20020088616 - Swor, Loren C. ; et al. | 2002-07-11 |
| Frac plug with caged ball Grant 6,394,180 - Berscheidt , et al. May 28, 2 | 2002-05-28 |
| High temperature high pressure retrievable packer with barrel slip Grant 6,378,606 - Swor , et al. April 30, 2 | 2002-04-30 |
| Retrievable high pressure, high temperature packer apparatus with anti-extrusion system and method Grant 6,318,460 - Swor , et al. November 20, 2 | 2001-11-20 |
| Retrievable high pressure, high temperature packer apparatus with anti-extrusion system Grant 6,102,117 - Swor , et al. August 15, 2 | 2000-08-15 |
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