Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11408260 | Hybrid hydraulic gas pump system | David E. Hall | 2022-08-09 |
| 7445049 | Gas operated pump for hydrocarbon wells | William F. Howard, William C. Lane | 2008-11-04 |
| 5549160 | Downhole progressing cavity pump rotor valve | Dan Bownes | 1996-08-27 |