Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7656135 | Method and apparatus for controlling rotary machines | Christian Schram, Henning Luetze, Andre Riesberg, Robert William Delmerico | 2010-02-02 | $58,056,000 |
| 7605487 | Method for operating a frequency converter of a generator and wind energy turbine having a generator operated according to the method | Werner Gerhard Barton | 2009-10-20 | $53,289,000 |
| 6921985 | Low voltage ride through for wind turbine generators | Wilhelm Janssen, Henning Luetze, Till Hoffmann, Ralf Hagedorn | 2005-07-26 | $44,263,000 |