Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9977438 | Resettable thermal pressure relief device | — | 2018-05-22 |
| 9823668 | Pressure regulator for hydrogen storage system | Dimitri A. Podorashi, Hans Weidner, Wolfgang Markard | 2017-11-21 |
| 9074703 | Pressure regulator for hydrogen storage system | Dimitri A. Podorashi, Hans Weidner, Wolfgang Markard | 2015-07-07 |
| 8955762 | Resettable thermal pressure relief device | — | 2015-02-17 |
| 8875735 | Coolant ventilation system | Ralph Hobmeyr | 2014-11-04 |
| 8785071 | Fuel cell operation with a failed open injector | Steven R. Falta, Daniel C. Di Fiore, Donald H. Keskula, Matthew A. Lang, Michael Leykauf +2 more | 2014-07-22 |
| 8522597 | Calibration of a pressure sensor in a hydrogen storage system | Michael Leykauf, Ingo Hermann | 2013-09-03 |
| 8523144 | Valve with elastically deformable component | — | 2013-09-03 |
| 8454058 | High pressure fitting for hydrogen applications | Jörg Schulze | 2013-06-04 |
| 7971798 | Resettable thermal pressure relief device | — | 2011-07-05 |
| 7736566 | Manufacturing process for hydrogen pressure tank | Ingo Hermann, Markus Lindner | 2010-06-15 |
| 7600541 | Overfill protection for liquid hydrogen tank | — | 2009-10-13 |
| 7575020 | Multi stage pressure regulator | — | 2009-08-18 |
| 7553569 | Dynamic cathode gas control for a fuel cell system | Robert Schaefer, Thorsten Rohwer | 2009-06-30 |
| 7525072 | Heated O-ring | Thorsten Rohwer | 2009-04-28 |
| 7484540 | Liquid hydrogen storage tank with reduced tanking losses | — | 2009-02-03 |
| 7442457 | Fuel cell system with compressor and also a method for operating such a fuel cell system | — | 2008-10-28 |
| 7363775 | Use of Z-pipes in a liquid hydrogen tank | — | 2008-04-29 |
| 7344788 | Starting a fuel cell system using ambient air and a low voltage blower | Bruce J. Clingerman, Scott Dewey, Roland Nolte, Hermann Victor, Bernhard Wnendt +2 more | 2008-03-18 |
| 7341074 | Multi-stage pressure regulator | — | 2008-03-11 |
| 7322562 | Shut-off valve providing pressure equalization | — | 2008-01-29 |
| 7320840 | Combination of injector-ejector for fuel cell systems | James S. Siepierski | 2008-01-22 |
| 7219695 | Hydrogen valve with pressure equalization | — | 2007-05-22 |
| 7195035 | In-tank hydrogen distribution valve | — | 2007-03-27 |
| 7159456 | Level indicator for liquid hydrogen tank | Andreas Koenekamp, Hartmut Stengelin, Andy Kraemer | 2007-01-09 |