Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900316 | Wellhead seal with pressure energizing from below | David L. Ford, Joseph W. Pallini, Daniel Ralph Barnhart, Daniel Caleb Benson | 2021-01-26 |
| 8511387 | Made-up flange locking cap | John Gregory Landthrip, Eric Dale Larson, Sara N Riddle, Dale Norman, Jamie Clay Gamble +2 more | 2013-08-20 |
| 8499838 | Subsea locking connector | John Gregory Landthrip, Eric Dale Larson, Sara N Riddle, Dale Norman, Jamie Clay Gamble +2 more | 2013-08-06 |
| 8356672 | Riser joint coupling | John E. Nelson | 2013-01-22 |
| 7975768 | Riser joint coupling | John E. Nelson | 2011-07-12 |
| 7963336 | Preloaded riser coupling system | Charles E. Jennings, John E. Nelson | 2011-06-21 |
| 7337848 | Preloaded riser coupling system | Charles E. Jennings, John E. Nelson | 2008-03-04 |
| 7331395 | Riser make-up tool | Charles E. Jennings | 2008-02-19 |
| 7237613 | Underbalanced marine drilling riser | Amin Radi | 2007-07-03 |
| 6138762 | Wellhead connector with additional load shoulders | Thomas F. Sweeney, Glen H. Cuiper, Brian L. Kirk | 2000-10-31 |
| 6017168 | Fluid assist bearing for telescopic joint of a RISER system | Anh D. Nguyen, Derek Kennedy | 2000-01-25 |
| 5028027 | Support for a curtain or the like | — | 1991-07-02 |
| 4693636 | Pipeline pull-in method and apparatus | Andrew Robert MacFarlane | 1987-09-15 |
| 4374630 | Anchor connector for tension leg | — | 1983-02-22 |