Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016042 | Stress distributing wellhead connector | Maoye Sun, Paul D. Bunch, Eric Dale Larson | 2011-09-13 |
| 7614453 | Stress distributing wellhead connector | Maoye Sun, Paul D. Bunch, Eric Dale Larson | 2009-11-10 |
| 6698800 | Remote connector including support structure | Richard L. Ahlgrim, Bruce E. Morris | 2004-03-02 |
| 6305720 | Remote articulated connector | Richard L. Ahlgrim, Bruce E. Morris | 2001-10-23 |
| 6070668 | Blowout preventer spanner joint with emergency disconnect capability | Williams C. Parks, Walter S. Going, III, Reginald L. Currier | 2000-06-06 |
| 5732773 | Non-welded bore selector assembly | William C. Parks | 1998-03-31 |
| 4886300 | Improvements in and relating to connection assemblies and components thereof | Michael Cunningham | 1989-12-12 |