Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8393400 | Metal-to-metal seal with wiper element and wellhead system incorporating same | — | 2013-03-12 |
| 8276672 | Bimetallic diaphragm for trapped fluid expansion | — | 2012-10-02 |
| 7743832 | Method of running a tubing hanger and internal tree cap simultaneously | Gary A. Shaw, Robert Buchan | 2010-06-29 |
| 7647973 | Collapse arrestor tool | Marc Minassian, Robert K. Voss, Steven P. Fenton | 2010-01-19 |
| 7073591 | Casing hanger annulus monitoring system | Alfred Massie, Harry Moore, Richard Lovell, John H. Osborne | 2006-07-11 |
| 6966382 | Secondary release for wellhead connector | Stuart F. Young | 2005-11-22 |
| 6705401 | Ported subsea wellhead | John H. Osborne, Bernard Humprey, Alan Clark, Alfred Massie | 2004-03-16 |