Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9133687 | Tubing pressure insensitive pressure compensated actuator for a downhole tool and method | James T. Sloan, Ronald J. Garr, Don A. Hopmann, David E. Schneider | 2015-09-15 |
| 8393386 | Subsurface safety valve and method of actuation | Gary B. Lake, John Burris, David Z. Anderson, Brock Alan Peoples, Charles M. Tompkins +1 more | 2013-03-12 |