Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11946341 | Hydraulic tools, drilling systems including hydraulic tools, and methods of using hydraulic tools | Carsten Voss | 2024-04-02 |
| 11821288 | Hydraulic tools, drilling systems including hydraulic tools, and methods of using hydraulic tools | Carsten Voss | 2023-11-21 |
| 11319753 | Method of forming stators for downhole motors | Witali Huber, Gunnar Michaelis, Erik Bartscherer, Harald Grimmer, Christian Fulda +2 more | 2022-05-03 |
| 11261666 | Hydraulic tools, drilling systems including hydraulic tools, and methods of using hydraulic tools | Carsten Voss | 2022-03-01 |
| 10920493 | Method of forming stators for downhole motors | Witali Huber, Gunnar Michaelis, Erik Bartscherer, Harald Grimmer, Christian Fulda +2 more | 2021-02-16 |
| 10385615 | Vibrationless moineau system | Christian Herbig, Andreas Hohl, Hanno Reckmann, Harald Grimmer | 2019-08-20 |
| 9784269 | Hydraulic tools including inserts and related methods | Joerg Lehr, Dirk Froehlich | 2017-10-10 |
| 9091264 | Apparatus and methods utilizing progressive cavity motors and pumps with rotors and/or stators with hybrid liners | Harald Grimmer, Volker Krueger | 2015-07-28 |
| 8985977 | Asymmetric lobes for motors and pumps | Helmut G. Benning | 2015-03-24 |
| 8888474 | Downhole motors and pumps with asymmetric lobes | Harald Grimmer | 2014-11-18 |