Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8748054 | Method for supplying fuel gas to a gas chamber of a fuel cell and fuel cell | Detlev Coerlin, Ottmar Voitlein | 2014-06-10 |
| 7935446 | Method for operating a fuel cell system and fuel cell system | Willi Bette, Detlev Coerlin, Ottmar Voitlein | 2011-05-03 |
| 6612385 | Method for starting a fuel cell system and fuel cell system | Alfred Weiss | 2003-09-02 |
| 6432569 | Method and apparatus for monitoring a selected group of fuel cells of a high-temperature fuel cell stack | Reinhold Zeilinger, Martin Keim | 2002-08-13 |
| 6203935 | Method for operating a fuel cell system and fuel cell system | Herbert Stenger, Harry Gellert | 2001-03-20 |
| 6180271 | Method for operating a PEM fuel cell plant and PEM fuel cell plant | Herbert Stenger, Martin Keim | 2001-01-30 |
| 6110611 | Process for operation of a PEM fuel cell unit | Herbert Stenger, Martin Keim | 2000-08-29 |
| 5976722 | Process for operating a fuel cell installation and fuel cell installation for carrying out the process | Reinhard Muller, Christoph Nolscher | 1999-11-02 |