Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663992 | Cooling rib arrangement for the equalization of the temperature distribution in air cooled stacks | Werner Lehnert, Stephan Fell, James Lee | 2003-12-16 |
| 6565998 | Direct methanol fuel cell system with a device for the separation of the methanol and water mixture | Lothar Matejcek | 2003-05-20 |
| 6294278 | Combination of low and high temperature fuel cell device | Lothar Matejcek | 2001-09-25 |