Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152588 | Free-mold stator for a progressing cavity pump | Paula Kenny | 2024-11-26 |
| 7441611 | Pneumatic rock drill | David J. Gee, James Creswell, Stephen Jones | 2008-10-28 |
| 5626068 | Hydraulic reciprocating mechanism | — | 1997-05-06 |
| 5222425 | Cyclic hydraulic actuator | — | 1993-06-29 |