Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007227 | Mechanical emergency brake for wind turbines and method for operating same | Peter Rogall | 2011-08-30 |
| 7985047 | Expandable line support for wind turbine | Jens Hennig | 2011-07-26 |
| 7956482 | Speed controlled pitch system | Jacob Johannes Nies, Peter Rogall, Axel Braicks, Stefan Rieken | 2011-06-07 |