Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478093 | Retrievable well packer apparatus and method | Marion D. Kilgore | 2002-11-12 |
| 6302217 | Extreme service packer having slip actuated debris barrier | Marion D. Kilgore | 2001-10-16 |
| 6112811 | Service packer with spaced apart dual-slips | Marion D. Kilgore | 2000-09-05 |
| 5833003 | Apparatus for completing a subterranean well and associated methods of using same | James R. Longbottom | 1998-11-10 |
| 5730221 | Methods of completing a subterranean well | James R. Longbottom, John C. Gano | 1998-03-24 |
| RE32343 | Well safety valve | Michael B. Vinzant, Steven C. Speegle, Michael Wade Meaders | 1987-02-03 |
| 4524833 | Apparatus and methods for orienting devices in side pocket mandrels | Robert W. Crow | 1985-06-25 |
| 4461353 | Well safety valve | Michael B. Vinzant, Steven C. Speegle, Michael Wade Meaders | 1984-07-24 |