Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976547 | Actuator underreamer | Joseph A. Zupanick | 2005-12-20 |
| 6953088 | Method and system for controlling the production rate of fluid from a subterranean zone to maintain production bore stability in the zone | Joseph A. Zupanick | 2005-10-11 |
| 6945755 | Fluid controlled pumping system and method | Joseph A. Zupanick | 2005-09-20 |