Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9979257 | Electromotive drive, in particular blower drive having a vibration dampening system on a bearing side | Frank Wittstadt | 2018-05-22 |
| 8884477 | Electric motor drive, in particular fan drive | Karl-Heinz Bauer, Michael Rueb, Frank Wittstadt, Hannelore Diller, Peter Tiemeyer | 2014-11-11 |
| 8421283 | Electric motor drive, in particular fan drive | Karl-Heinz Bauer, Michael Rueb, Frank Wittstadt, Hannelore Diller, Peter Tiemeyer | 2013-04-16 |