Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9587638 | Drive unit for a submersible oil pump, with a fluid passage allowing the fluid in the motor housing to be discharged to the ambient enviroment | Elmar Hoppach, Kai Lunau | 2017-03-07 |