Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572992 | Gas injection system for treating a fuel cell stack assembly | — | 2003-06-03 |
| 6558827 | High fuel utilization in a fuel cell | — | 2003-05-06 |
| 6521367 | Fuel cell with an electrolyte dry-out barrier | — | 2003-02-18 |
| 6514635 | Procedure for shutting down a fuel cell system having an anode exhaust recycle loop | Leslie L. Van Dine, Margaret M. Steinbugler, Glenn W. Scheffler | 2003-02-04 |
| 6497971 | Method and apparatus for improved delivery of input reactants to a fuel cell assembly | — | 2002-12-24 |
| 6455183 | Vacuum oxidant PEM fuel cell | Richard D. Sawyer | 2002-09-24 |
| 6399234 | Fuel cell stack assembly with edge seal | Stanley P. Bonk, Myron Krasij | 2002-06-04 |
| 6387555 | Selective oxidizer in cell stack manifold | Douglas J. Wheeler, Thomas J. Corrigan, Leonard J. Bonville, Roger R. Lesieur, Derek W. Hildreth | 2002-05-14 |
| 6312842 | Water retention system for a fuel cell power plant | Leslie L. Van Dine | 2001-11-06 |
| 6277508 | Fuel cell power supply with exhaust recycling for improved water management | Deliang Yang, Paul R. Margiott | 2001-08-21 |
| 6238817 | Gas injection system for treating a fuel cell stack assembly | — | 2001-05-29 |
| 5853909 | Ion exchange membrane fuel cell power plant with water management pressure differentials | — | 1998-12-29 |
| 5700595 | Ion exchange membrane fuel cell power plant with water management pressure differentials | — | 1997-12-23 |
| 5406049 | Fog-resistant mirror assembly | Richard D. Sawyer | 1995-04-11 |
| 5347106 | Fog-resisant mirror assembly | Richard D. Sawyer | 1994-09-13 |
| 5084363 | Molten carbonate fuel cell power plant | — | 1992-01-28 |
| 5083009 | Fog-resistant mirror assembly | Richard D. Sawyer | 1992-01-21 |
| 4826742 | Water and heat management in solid polymer fuel cell stack | — | 1989-05-02 |
| 4769297 | Solid polymer electrolyte fuel cell stack water management system | Richard D. Sawyer | 1988-09-06 |
| 4659635 | Electrolyte matrix in a molten carbonate fuel cell stack | Donald L. Maricle | 1987-04-21 |
| 4581302 | Molten carbonate fuel cell matrix tape | Raymond W. Vine, Craig R. Schroll | 1986-04-08 |
| 4538348 | Molten carbonate fuel cell matrix tape and assembly method | Raymond W. Vine, Craig R. Schroll | 1985-09-03 |
| 4526845 | Molten carbonate fuel cell integral matrix tape and bubble barrier | Donald L. Maricle | 1985-07-02 |
| 4411968 | Molten carbonate fuel cell integral matrix tape and bubble barrier | Donald L. Maricle | 1983-10-25 |
| 4345009 | Fuel cell stack compressive loading system | Ronald W. Fahle | 1982-08-17 |