Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163616 | Passive closing device for thermal self-protection of high pressure gas vessels | Oliver Maier, Bjoern Zoerner, Ralph Hobmeyr | 2015-10-20 |
| 8944087 | Emergency drainage device for enclosed compartments | Johannes Lauer | 2015-02-03 |
| 8794254 | Passive closing device for thermal self-protection of high pressure gas vessels | Oliver Maier | 2014-08-05 |
| 8656938 | Compressed gas tank system with fast fueling ability at any vessel pressure | Ralph Hobmeyr | 2014-02-25 |
| 8459286 | Pressure retention valve and integrated valve for tank system | Oliver Maier | 2013-06-11 |
| 8313871 | Fuel cell heating | Dirk Wexel, Bernd Peter Elgas | 2012-11-20 |
| 7716938 | External control of a vehicle coolant pump with remote heating option | Ellen Greifenstein, Wolfgang Haege, Dirk Wexel | 2010-05-18 |
| 7507488 | System and method for drying a fuel cell stack at system shutdown | Thomas Weispfenning | 2009-03-24 |
| 7367349 | Method for opening tank shut-off valves in gas feeding systems with connected tanks | — | 2008-05-06 |
| 7127937 | Method for leak detection in gas feeding systems with redundant valves | — | 2006-10-31 |