Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204028 | Pumping unit with end return for positioning drive | — | 2021-12-21 |
| 11060517 | Moving crank shaft force point | — | 2021-07-13 |
| 10995744 | Moving effort force point on a pumping unit | — | 2021-05-04 |
| 10947825 | Head with contiguous counterweight dampers on structure | — | 2021-03-16 |
| 10934818 | Oscillating head with contiguous counterweight | — | 2021-03-02 |