Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7709977 | Method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical network | Josef Sonntag, Hubert Urban | 2010-05-04 |
| 7678929 | Furochroman derivatives | Andreas Taugerbeck, Melanie Klasen-Memmer, Georg Bernatz | 2010-03-16 |
| 7417157 | Hexahydrodibenzofuran derivatives | Andreas Taugerbeck, Melanie Klasen-Memmer | 2008-08-26 |
| 6677066 | Circuit system for an integrated fuel cell system | Jens Mueller, Steffen Paul, Jesef Sonntag | 2004-01-13 |
| 6577026 | Circuit arrangement for supplying electric power to a network comprising a fuel cell and an accumulator system | Peter Faller, Andreas Schell, Josef Sonntag | 2003-06-10 |