Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8347916 | Self-sealing chemical injection line coupling | — | 2013-01-08 |
| 8316946 | Subsea completion with a wellhead annulus access adapter | Scott D. Ward, David R. Gwyn | 2012-11-27 |
| RE43262 | Retaining apparatus for use in a wellhead assembly and method for using the same | — | 2012-03-27 |
| 7566045 | Hydraulic coupler | — | 2009-07-28 |
| 6520263 | Retaining apparatus for use in a wellhead assembly and method for using the same | — | 2003-02-18 |
| 6082460 | Apparatus and method for controlling hydraulic control fluid circuitry for a tubing hanger | — | 2000-07-04 |
| 5145006 | Tubing hanger and running tool with preloaded lockdown | — | 1992-09-08 |