Hobmeyr; Ralph T. J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hobmeyr; Ralph T. J..The latest application filed is for "fuel cell cooling tank assembly".
- Hobmeyr; Ralph T. J. - Mainz-Kastel DE
| Patent | Date |
|---|---|
| Coolant ventilation system Grant 8,875,735 - Pechtold , et al. November 4, 2 | 2014-11-04 |
| Fuel cell cooling tank assembly Grant 8,053,127 - Hobmeyr November 8, 2 | 2011-11-08 |
| Ion exchange cartridge for fuel cell applications Grant 8,007,948 - Hobmeyr , et al. August 30, 2 | 2011-08-30 |
| Fuel Cell Cooling Tank Assembly App 20090269638 - Hobmeyr; Ralph T. J. | 2009-10-29 |
| Fuel Cell Cooling Tank Assembly App 20090269639 - Hobmeyr; Ralph T. J. ; et al. | 2009-10-29 |
| Ion Exchange Cartridge For Fuel Cell Applications App 20090233134 - Hobmeyr; Ralph T.J. ; et al. | 2009-09-17 |
| Device and method to release the overpressure of a fuel cell coolant tank Grant 7,413,822 - Hobmeyr , et al. August 19, 2 | 2008-08-19 |
| Cold start pre-heater for a fuel cell system Grant 7,368,196 - Wexel , et al. May 6, 2 | 2008-05-06 |
| Operation method and purging system for a hydrogen demand/delivery unit in a fuel cell system Grant 7,354,669 - Hobmeyr , et al. April 8, 2 | 2008-04-08 |
| Coolant ventilation system App 20070175894 - Pechtold; Rainer ; et al. | 2007-08-02 |
| Device and method to release the overpressure of a fuel cell coolant tank App 20070141421 - Hobmeyr; Ralph T. J. ; et al. | 2007-06-21 |
| Operation method and purging system for a hydrogen demand/delivery unit in a fuel cell system App 20040219401 - Hobmeyr, Ralph T.J. ; et al. | 2004-11-04 |
| Cold start pre-heater for a fuel cell system App 20040209135 - Wexel, Dirk M. ; et al. | 2004-10-21 |
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