Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293432 | Fluid end for a piston pump functioning as a mud pump | Michael Gelker | 2022-04-05 |
| 10287832 | Tong system for use on a drilling installation and clamping block of such a tong system | Heiko Schmidt, Andre REUTER | 2019-05-14 |
| 8511218 | Clamping device for cylinder sleeves and use thereof, and mud pump having a clamping | Michael Gelker | 2013-08-20 |