Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823188 | Electric centrifugal pump with containment shell grooves | Jürgen Ehrsam, Helmut Kellermann | 2020-11-03 |
| 7692355 | Electric motor | Olai Ihle, Thomas Peterreins, Paul Zimmermann | 2010-04-06 |