Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520207 | Combination poppet and gate valve | Christopher D. Bartlett, Christopher E. Cunningham, Addrew J. Canning, Taylor L. Jones, Paulo Couto | 2003-02-18 |
| 6510895 | Energized sealing cartridge for annulus sealing between tubular well components | Bashir M. Koleilat, Qiu Zheng, Michael H. Hunt | 2003-01-28 |