Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8176975 | Tubing pressure insensitive actuator system and method | Gary B. Lake, David Z. Anderson, Darren E. Bane | 2012-05-15 |
| 7694742 | Downhole hydraulic control system with failsafe features | Darren E. Bane, David Z. Anderson, Clifford H. Beall, Edward Welch, Alan N. Wagner | 2010-04-13 |
| 7591317 | Tubing pressure insensitive control system | Darren E. Bane, David Z. Anderson | 2009-09-22 |