Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098708 | Hydraulic pumping system with piston displacement sensing and control | Kenneth J. Schmitt, Clark E. Robison, Robert G. McDonald, Benson Thomas | 2021-08-24 |
| 10760388 | Slant mounted hydraulic pumping system | Kenneth J. Schmitt | 2020-09-01 |
| 10240452 | Reservoir analysis with well pumping system | Clark E. Robison, John H. Hallman | 2019-03-26 |
| 10167707 | Rod string rotation during well pumping operations | Clark E. Robison, Jeffrey J. Lembcke, Benson Thomas, Kyle C. Brosch | 2019-01-01 |