Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8215896 | Apparatus and method for operation of an off-shore wind turbine | Henk-Jan Kooijman | 2012-07-10 |
| 8047770 | Methods and systems for providing variable mechanical brake torque | — | 2011-11-01 |
| 7956482 | Speed controlled pitch system | Jacob Johannes Nies, Patrick Achenbach, Peter Rogall, Stefan Rieken | 2011-06-07 |
| 7944067 | System and method for reducing rotor loads in a wind turbine upon detection of blade-pitch failure and loss of counter-torque | Leonardo Cesar Kammer, Hubert Oing | 2011-05-17 |
| 7901184 | Torsionally loadable wind turbine blade | Jacob Johannes Nies | 2011-03-08 |