Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10215012 | Apparatus and method of monitoring a rod pumping unit | Robert G. McDonald, Ross E. MOFFETT, Clark E. Robison | 2019-02-26 |
| 10196883 | Long-stroke pumping unit | Clark E. Robison, Benson Thomas, William C. Lane, Darius J. Yakimchuk, Bryan A. Paulet +3 more | 2019-02-05 |
| 10167707 | Rod string rotation during well pumping operations | James S. Trapani, Clark E. Robison, Benson Thomas, Kyle C. Brosch | 2019-01-01 |
| 10167865 | Hydraulic pumping system with enhanced piston rod sealing | Clark E. Robison | 2019-01-01 |