Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012643 | Gas control and operation method of a fuel cell system for water and gas distribution | Peter Willimowski | 2011-09-06 |
| 7981557 | Gas control and operation method of a fuel cell system for water and gas distribution | Peter Willimowski | 2011-07-19 |
| 7890269 | Method and device for acoustic measurement of the specific density of a gaseous or liquid medium | Peter Hauptmann, Alf Püttmer | 2011-02-15 |