Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7249750 | Pressure balanced fluid control device | — | 2007-07-31 |
| 7066444 | Pressure balanced fluid control device | — | 2006-06-27 |
| 6869079 | Stackable metallic seal and method of using same | — | 2005-03-22 |
| 6510895 | Energized sealing cartridge for annulus sealing between tubular well components | Bashir M. Koleilat, David Cain, Michael H. Hunt | 2003-01-28 |