Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8701786 | Positionless expanding lock ring for subsea annulus seals for lockdown | Gary L. Galle | 2014-04-22 |
| 8689891 | Ball and dart launcher with parallel axis release | Nicholas P. Gette, James Christopher Clingman | 2014-04-08 |
| 8074724 | Bit-run nominal seat protector and method of operating same | Guilherme Eppinghaus, David L. Ford | 2011-12-13 |
| 8066064 | Well assembly having a casing hanger supported by a load member actuated by a retractable member disposed in the wellhead | David L. Ford | 2011-11-29 |
| 7647973 | Collapse arrestor tool | Robert K. Voss, Kevin G. Buckle, Steven P. Fenton | 2010-01-19 |
| 6598673 | Wellhead load ring | Stanley Hosie, Norman Brammer | 2003-07-29 |