Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10113544 | Long-stroke pumping unit | Jeffrey J. Lembcke, Victoria M. Pons, William Kevin Hall, John Edward Stachowiak, Jr., Benson Thomas +3 more | 2018-10-30 |
| 9903187 | Hydraulic pumping system with enhanced piston rod sealing | Kenneth J. Schmitt | 2018-02-27 |