Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8748054 | Method for supplying fuel gas to a gas chamber of a fuel cell and fuel cell | Walter Stuhler, Ottmar Voitlein | 2014-06-10 |
| 7935446 | Method for operating a fuel cell system and fuel cell system | Willi Bette, Walter Stuhler, Ottmar Voitlein | 2011-05-03 |
| 7482073 | Cascade fuel cell system | Willi Bette, Herbert Stenger | 2009-01-27 |
| 7014936 | Fuel cell block | Arno Mattejat | 2006-03-21 |
| 4720306 | Cleaning method | Hermann Emmert, Herbert Hehs, Klaus Kuhnke | 1988-01-19 |