Issued Patents All Time
Showing 26–50 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7067209 | High temperature reactant recycling for PEM fuel cell humidification | — | 2006-06-27 |
| 7063907 | Passive water management system for a fuel cell power plant | — | 2006-06-20 |
| 7049018 | Method of operating a fuel cell system under freezing conditions | Patrick L. Hagans | 2006-05-23 |
| 6986959 | Low temperature fuel cell power plant operation | Thomas Clark, Paul R. Margiott, Albert P. Grasso, Leslie L. Van Dine, Margaret M. Steinbugler +1 more | 2006-01-17 |
| 6979509 | Freeze tolerant fuel cell power plant with a two-component mixed coolant | Patrick L. Hagans, Jeremy Schrooten | 2005-12-27 |
| 6916571 | PEM fuel cell passive water management | Albert P. Grasso, Glenn W. Scheffler, Leslie L. Van Dine, Brian F. Dufner | 2005-07-12 |
| 6913845 | Reducing fuel cell cathode potential during startup and shutdown | Timothy A. Bekkedahl, Lawrence J. Bregoli, Emily A. Dykeman, Jeremy P. Meyers, Timothy W. Patterson +4 more | 2005-07-05 |
| 6911275 | High molecular weight direct antifreeze cooled fuel cell | H. Harvey Michels | 2005-06-28 |
| 6855453 | Fuel cell having a corrosion resistant and protected cathode catalyst layer | John A. S. Bett, Ned E. Cipollini, Thomas D. Jarvi | 2005-02-15 |
| 6841283 | High water permeability proton exchange membrane | — | 2005-01-11 |
| 6794073 | Direct antifreeze cooled fuel cell | David A. Condit, Albert P. Grasso, Michael E. Gorman | 2004-09-21 |
| 6794077 | Passive water management fuel cell | Jung S. Yi, Deliang Yang, Albert P. Grasso, Glenn W. Scheffler | 2004-09-21 |
| 6699612 | Fuel cell power plant having a reduced free water volume | Leslie L. Van Dine | 2004-03-02 |
| 6682835 | Method and apparatus for increasing the operational efficiency of a fuel cell power plant | — | 2004-01-27 |
| 6635370 | Shut-down procedure for hydrogen-air fuel cell system | David A. Condit | 2003-10-21 |
| 6548200 | Cold starting of gasoline fueled fuel cell | — | 2003-04-15 |
| 6528194 | Freeze tolerant fuel cell power plant | David A. Condit, Michael L. Perry | 2003-03-04 |
| 6461753 | Fuel cell with a direct antifreeze impermeable cooler plate | Margaret M. Steinbugler, David A. Condit | 2002-10-08 |
| 6432566 | Direct antifreeze cooled fuel cell power plant | David A. Condit, Leslie L. Van Dine, Margaret M. Steinbugler | 2002-08-13 |
| 6428916 | Coolant treatment system for a direct antifreeze cooled fuel cell assembly | Albert P. Grasso, Leslie L. Van Dine | 2002-08-06 |
| 6416891 | Operating system for a direct antifreeze cooled fuel cell power plant | David A. Condit, Leslie L. Van Dine, Margaret M. Steinbugler | 2002-07-09 |
| 6416892 | Interdigitated enthally exchange device for a fuel cell power plant | — | 2002-07-09 |
| 6361891 | Direct antifreeze cooled fuel cell power plant system | David A. Condit, Leslie L. Van Dine, Margaret M. Steinbugler | 2002-03-26 |
| 6316135 | Direct antifreeze cooled fuel cell | David A. Condit, Albert P. Grasso, Michael E. Gorman | 2001-11-13 |
| 6274259 | Fine pore enthalpy exchange barrier | Albert P. Grasso, Ned E. Cipollini | 2001-08-14 |