Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8053133 | Bipolar plate hydrophilic treatment for stable fuel cell stack operation at low power | Steven R. Falta, Pinkhas A. Rapaport, Reena L. Datta, Gayatri Vyas Dadheech | 2011-11-08 |
| 8034502 | Water removal system for non-reactive regions in PEFMC stacks | Jon P. Owejan, Thomas W. Tighe, Jeffrey A. Rock | 2011-10-11 |
| 8029943 | Method to make conductive hydrophilic fuel cell elements | Gayatri Vyas, Stephen William Gaarenstroom | 2011-10-04 |
| 7951510 | Electroconductive polymer coating on electroconductive elements in a fuel cell | Chunxin Ji, Steven R. Falta, Brian K. Brady | 2011-05-31 |
| 7935381 | Hydrophilic coating for fuel cell bipolar plate and methods of making the same | Gerhard Winter, Gayatri Vyas, Reena L. Datta | 2011-05-03 |
| 7901832 | Bipolar plate with inlet and outlet water management features | Jon P. Owejan, Steven J. Spencer, Jeffrey A. Rock, Gayatri Vyas Dadheech | 2011-03-08 |
| 7897295 | Surface engineering of bipolar plate materials for better water management | Gayatri Vyas, Mahmoud H. Abd Elhamid, Youssef M. Mikhail | 2011-03-01 |
| 7862936 | Water removal channel for PEM fuel cell stack headers | Jon P. Owejan, Steven R. Falta, Pinkhas A. Rapaport, Thomas W. Tighe, Lee C. Whitehead | 2011-01-04 |
| 7842426 | Use of a porous material in the manifolds of a fuel cell stack | Thomas W. Tighe, Jon P. Owejan | 2010-11-30 |
| 7829230 | Method for optimizing diffusion media with spatially varying mass transport resistance | Torsten Berning, Christian Wieser, Po-Ya Abel Chuang | 2010-11-09 |
| 7781118 | Fuel cell flooding detection | Steven R. Falta | 2010-08-24 |
| 7749631 | Fuel cell separator plate coating | Mahmoud H. Abd Elhamid, Gayatri Vyas, Youssef M. Mikhail | 2010-07-06 |
| 7749637 | Water blocking layer and wicking reservoir for PEMFC | Jon P. Owejan, Chunxin Ji, Michael Cartwright, Steven G. Goebel | 2010-07-06 |
| 7718298 | Bifurcation of flow channels in bipolar plate flowfields | Thomas W. Tighe, Jon P. Owejan, Daniel Darga, Pinkhas A. Rapaport, Jeffrey A. Rock | 2010-05-18 |
| 7622211 | Hydrophilic fuel cell bipolar plate having a plasma induced polymerization coating | Gayatri Vyas, Tao Xie | 2009-11-24 |
| 7550222 | Fuel cell component having a durable conductive and hydrophilic coating | Gayatri Vyas, Mahmoud H. Abd Elhamid, Youssef M. Mikhail, Roy G. Gordon, Dawen Pang | 2009-06-23 |
| 7531100 | Method of making a fuel cell component using an easily removed mask | Scott Lawrence Peters, Gayatri Vyas, Reena L. Datta, Jeffrey M. Guzda | 2009-05-12 |
| 7332240 | Spatially varying diffusion media and devices incorporating the same | Jeanette E. O'Hara, Michael R. Schoeneweiss, Joerg Roth | 2008-02-19 |
| 7306874 | PEM fuel cell stack with coated flow distribution network | — | 2007-12-11 |
| 7132125 | Processes for coating photoconductors | John M. Hammond | 2006-11-07 |
| 7087337 | Flow field geometries for improved water management | Jon P. Owejan | 2006-08-08 |
| 6916573 | PEM fuel cell stack without gas diffusion media | Michael R. Schoeneweiss | 2005-07-12 |
| 6863730 | Coating die with laser position sensors | Robert F. Dunham, John M. Hammond | 2005-03-08 |
| 6797342 | Deflocculation apparatus and methods thereof | J Michael Sanchez, Paul C. Lincoln, John M. Hammond, Cindy C. Chen, Jian Cai | 2004-09-28 |
| 6706315 | Coating process for coating die with laser position sensors | Robert F. Dunham, John M. Hammond | 2004-03-16 |