Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9413020 | Method of shut-down and starting of a fuel cell | Akinori Tsukada, Philipp-Immanuel Dietrich, Marcel Hofer, Uwe Hannesen | 2016-08-09 |
| 9240600 | Method for limiting the output voltage of a PEM fuel cell system | Marcel Hofer | 2016-01-19 |
| 8268506 | Fuel cell structure and separator plate for use therein | Philipp-Immanuel Dietrich, Marcel Hofer | 2012-09-18 |
| 7799454 | Method and device for stacking fuel cells | Daniel Schmid, Martin Ruge | 2010-09-21 |
| 7645530 | Method and apparatus for humidification of the membrane of a fuel cell | Martin Ruge, Daniel Schmid | 2010-01-12 |