Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8686581 | Method for operating a wind turbine in the event of the occurrence of a grid fault with a voltage drop and such a wind turbine | Ulrich Harms | 2014-04-01 |
| 7501798 | Method for the active damping of the drive train in a wind energy plant | Thomas Paul Woldmann, Sören Bilges | 2009-03-10 |