Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7318976 | Electrodes with adjustable gas permeability, and method of producing such electrodes | — | 2008-01-15 |
| 6890675 | Method of operating a fuel cell system, and fuel cell system operable accordingly | — | 2005-05-10 |
| 6808834 | Fuel cell stack with cooling fins and use of expanded graphite in fuel cells | — | 2004-10-26 |
| 6783883 | Gas-proof assembly composed of a bipolar plate and a membrane-electrode unit of polymer electrolyte membrane fuel cells | — | 2004-08-31 |