Issued Patents All Time
Showing 51–75 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7960062 | Anode accumulation tank with high nitrogen concentration bleed for a fuel cell stack fuel delivery system | Jon P. Owejan, John C. Fagley | 2011-06-14 |
| 7951507 | Fluid flow path for stamped bipolar plate | Nafissa Haimad | 2011-05-31 |
| 7935453 | Membrane with optimized dimensions for a fuel cell | Matthew J. Beutel, Saurabh Vyas, Ronald L. James | 2011-05-03 |
| 7935455 | Balanced hydrogen feed for a fuel cell | — | 2011-05-03 |
| 7875396 | Membrane humidifier for a fuel cell | Yan Zhang, Annette M. Brenner, Hubert Gasteiger, Glenn W. Skala | 2011-01-25 |
| 7862631 | Fuel processor primary reactor and combustor startup via electrically-heated catalyst | Steven D. Burch, William H. Pettit | 2011-01-04 |
| 7862935 | Management via dynamic water holdup estimator in a fuel cell | Manish Sinha, John C. Fagley, Peter Willimowski | 2011-01-04 |
| 7781086 | Fuel processing system having gas recirculation for transient operations | William H. Pettit | 2010-08-24 |
| 7749637 | Water blocking layer and wicking reservoir for PEMFC | Jon P. Owejan, Chunxin Ji, Thomas A. Trabold, Michael Cartwright | 2010-07-06 |
| 7713644 | Catalyst layer edge protection for enhanced MEA durability in PEM fuel cells | Hubert Gasteiger, Bhaskar Sompalli, Brian Litteer | 2010-05-11 |
| 7691508 | Fuel cell shutdown and startup using a cathode recycle loop | — | 2010-04-06 |
| 7687182 | Pressurized coolant for stamped plate fuel cell without diffusion media in the inactive feed region | Jeffrey A. Rock, Dirk Rensink, Steven J. Spencer, William H. Pettit | 2010-03-30 |
| 7625661 | Diffusion media with continuous micro-porous layers incorporating non-uniformity | Chunxin Ji, Jeanette E. O'Hara | 2009-12-01 |
| 7601452 | Nested bipolar plate for fuel cell and method | — | 2009-10-13 |
| 7597975 | Fuel cell operation to minimize RH cycles to improve durability | William H. Pettit, John C. Fagley, John P. Salvador | 2009-10-06 |
| 7517372 | Integrated fuel processor subsystem with quasi-autothermal reforming | Mohammed Sennoun, Gerald Voecks, Gary M. Robb, William H. Pettit | 2009-04-14 |
| 7479337 | Fuel cell shutdown and startup using a cathode recycle loop | — | 2009-01-20 |
| 7462415 | Flow field plate arrangement for a fuel cell | Daniel P. Miller, Matthew J. Beutel | 2008-12-09 |
| 7442217 | Integrated fuel processor for rapid start and operational control | William H. Pettit, Steven D. Burch, Paul Taichiang Yu, Yan Zhang, Michael Cartwright | 2008-10-28 |
| 7438734 | Direct water vaporization for fuel processor startup and transients | — | 2008-10-21 |
| 7399327 | Direct water vaporization for fuel processor startup and transients | — | 2008-07-15 |
| 7384702 | Apparatus for mixing fuel and an oxidant | — | 2008-06-10 |
| 7368192 | Method and apparatus for hydrogen detection and dilution | William H. Pettit, Frederick T. Wagner | 2008-05-06 |
| 7348094 | Enhanced flowfield plates | Eric L. Thompson, Scott Ofslager | 2008-03-25 |
| 7291411 | Fuel cell shutdown and startup purge using a stoichiometric staged combustor | William H. Pettit | 2007-11-06 |