Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7722974 | Fuel cell module comprising a magnetic shielding | Josef Lersch, Arno Mattejat | 2010-05-25 |
| 7553566 | Fuel cell module | Willi Bette, Josef Lersch, Arno Mattejat | 2009-06-30 |
| 7348085 | Fuel cell installation | Willi Bette, Josef Lersch, Arno Mattejat | 2008-03-25 |
| 6896990 | Device for connecting at least two fuel cell batteries and correspondingly connected plant | Arno Mattejat | 2005-05-24 |
| 6849351 | Low-temperature fuel cell | Herbert Hartnack, Josef Lersch, Arno Mattejat | 2005-02-01 |
| RE38156 | Process for operating a PEM fuel cell installation | Willi Bette, Regina Hornung | 2003-06-24 |
| 6068942 | Process for operating a PEM fuel cell installation | Willi Bette, Regina Hornung | 2000-05-30 |
| RE36148 | Method and apparatus for disposing of water and/or inert gas from a fuel cell block | — | 1999-03-16 |
| 5543238 | Fuel cell and method for moistening the electrolyte of the fuel cell | — | 1996-08-06 |
| 5478662 | Method and apparatus for disposing of water and/or inert gas from a fuel cell block | — | 1995-12-26 |
| 5472801 | Component for installation in a process control apparatus | Arno Mattejat, Rainer Sahler | 1995-12-05 |
| 5397655 | Fuel cell block and method for adjusting the removal of inert gas from the fuel cell block | Willi Bette, Josef Lersch, Arno Mattejat | 1995-03-14 |
| 4844992 | Current connection device | — | 1989-07-04 |
| 4407903 | Electric dc source | Heinrich Gutbier, Elmar Limberg, Volker Jensen | 1983-10-04 |
| 4317864 | Battery consisting of a multiplicity of electrochemical cells | — | 1982-03-02 |