Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7763989 | Method and apparatus for controlling the tip speed of a blade of a wind turbine | Stefan Herr, Benoit Petitjean | 2010-07-27 |
| 6092621 | Methods and apparatus for suppressing engine test cell howl | — | 2000-07-25 |