Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192211 | Mud motor stators and pumps and method of making | Christoph Wangenheim, Frederik Goeing | 2021-12-07 |
| 10920493 | Method of forming stators for downhole motors | Gunnar Michaelis, Carsten Hohl, Erik Bartscherer, Harald Grimmer, Christian Fulda +2 more | 2021-02-16 |