Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198152 | Method of lining an inner surface of a tubular and system for doing same | Erik Bartscherer, Sven Delden | 2021-12-14 |
| 11148327 | Method for forming a mud motor stator | Marcel Brand, Harald Grimmer | 2021-10-19 |
| 10413936 | Method of lining an inner surface of a tubular and system for doing same | Erik Bartscherer, Sven Delden | 2019-09-17 |
| 9610611 | Method of lining an inner surface of a tubular and system for doing same | Erik Bartscherer, Sven Delden | 2017-04-04 |
| 8985977 | Asymmetric lobes for motors and pumps | Carsten Hohl | 2015-03-24 |