Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644451 | Downhole valve for fluid energized packers | Ray Vlielander, Dennis Gonas, Ross A. Phillips | 2017-05-09 |
| 6269878 | Drillable inflatable packer and methods of use | Paul James Wilson, Thad Scott, Robert T. Brooks, Clayton Plucheck, Guy L. McClung, III | 2001-08-07 |
| 6189619 | Sliding sleeve assembly for subsurface flow control | Brad N. Huber | 2001-02-20 |
| 6044908 | Sliding sleeve valve and seal ring for use therein | — | 2000-04-04 |
| 4813486 | Retractable slip assembly | Andrew J. Tucker | 1989-03-21 |
| 4784226 | Drillable bridge plug | — | 1988-11-15 |