| 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 |
| 7651806 |
Non-flammable exhaust enabler for hydrogen powered fuel cells |
Daryl Chapman, Prem Menon, David A. Masten, Norm Dill, Daniel B. O'Connell +1 more |
2010-01-26 |
| 7479336 |
Gas control and operation method of a fuel cell system for water and gas distribution |
Peter Willimowski |
2009-01-20 |
| 7169491 |
Flexible system for hydrogen recirculation |
— |
2007-01-30 |
| 7087333 |
Hydrogen recirculation without a pump |
— |
2006-08-08 |
| 6149973 |
Process for the coating of the flow channels of a honeycomb form catalytic converter carrier with a dispersion coating |
Martin Foerster, Ewald Dittrich, Gerhard Birtigh, Walter Leibold, Bernd Mergner +2 more |
2000-11-21 |
| 4653423 |
Automatic dishwasher condition indicator |
— |
1987-03-31 |