Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970243 | Snubbing unit for inserting tubular members without a riser | Ian R. Still, Brandon Harman, John R. Cook, Robert L. Ewen | 2018-05-15 |
| 9822613 | System and method for riserless subsea well interventions | Ian R. Still, Robert L. Ewen, John R. Cook, Kenneth R. Newman, Travis Lee Bolt +1 more | 2017-11-21 |
| 6926283 | Metal-to-metal sealing system | Dwight D. Janoff, John C. Vicic, Gregory L. Glidden | 2005-08-09 |
| 6869080 | Metal-to-metal sealing system | Dwight D. Janoff, John C. Vicic, Gregory L. Glidden | 2005-03-22 |
| 6561521 | Metal-to-metal seal with soft metal insert | Dwight D. Janoff, John C. Vicic, Gregory L. Glidden | 2003-05-13 |
| 5782297 | Retrieval tool for back pressure valve and tree test plug | Martin L. Samuels, Bashir M. Koleilat, David Cain, John Robert Herold, Henry Wong | 1998-07-21 |
| 5474124 | Wellhead retrieval tool assembly | Martin L. Samuels, Bashir M. Koleilat, David Cain, John Robert Herold | 1995-12-12 |