Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9678161 | Wind energy installation and method for testing a rotational speed relay of a wind energy installation | — | 2017-06-13 |
| 8390140 | Wind energy installation with a heating device | Oliver Sievers, Michael Scheffner | 2013-03-05 |