Stepp; Lee W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stepp; Lee W..The latest application filed is for "casing inflation packer".
- Stepp; Lee W. - Comanche OK
- Stepp; Lee W. - Commanche OK
| Patent | Date |
|---|---|
| Casing inflation packer Grant 5,400,855 - Stepp , et al. March 28, 1 | 1995-03-28 |
| Fracture oriented completion tool system Grant 5,394,941 - Venditto , et al. March 7, 1 | 1995-03-07 |
| Coiled tubing operated full opening completion tool system Grant 5,381,862 - Szarka , et al. January 17, 1 | 1995-01-17 |
| Multiple stage inflation packer with secondary opening rupture disc Grant 5,109,925 - Stepp , et al. May 5, 1 | 1992-05-05 |
| Poppet valve Grant 4,712,619 - Stepp , et al. December 15, 1 | 1987-12-15 |
| Retrievable well packer Grant 4,664,188 - Zunkel , et al. May 12, 1 | 1987-05-12 |
| Method and apparatus for gravel-packing a well Grant 4,606,408 - Zunkel , et al. August 19, 1 | 1986-08-19 |
| Hydraulically activated liner setting device Grant 4,583,593 - Zunkel , et al. April 22, 1 | 1986-04-22 |
| Method and apparatus for gravel packing a zone in a well Grant 4,418,754 - Stepp December 6, 1 | 1983-12-06 |
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