Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8991508 | Pack off device with cable feedthrough | Euin H. Vickery | 2015-03-31 |
| 7556101 | Downhole retrieving tool and method | — | 2009-07-07 |
| 7469744 | Deformable ball seat and method | David B. Ruddock | 2008-12-30 |
| 7228914 | Interventionless reservoir control systems | Graeme Walker, John Cobb, Alfredo Gomez | 2007-06-12 |
| 7219743 | Method and apparatus to isolate a wellbore during pump workover | Sebastiaan J. Wolters, John Cobb, Alfredo Gomez | 2007-05-22 |