Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8702389 | Device for locking a rotor blade of a wind turbine | Ulf Goepfert, Ronny Wuensch, Roberto Porstmann | 2014-04-22 |
| 7568772 | Wind energy plant with a hydraulically actuated rotor brake and method for the hydraulic control of a rotor brake | — | 2009-08-04 |
| 7494193 | Wind energy plant with a hydraulically actuated rotor brake | — | 2009-02-24 |