Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9306232 | In situ fuel cell contamination sampling device | Kelly O'Leary, Sean M. MacKinnon | 2016-04-05 |
| 9065086 | Thermoplastic bipolar plate | Timothy J. Fuller, Beba T. Dobulis | 2015-06-23 |
| 8735016 | Hydrophilic, electrically conductive fluid distribution plate for fuel cell | Mahmoud H. Abd Elhamid, Youssef M. Mikhail, Gayatri Vyas, Feng Zhong, Richard H. Blunk +5 more | 2014-05-27 |
| 8623573 | Porous, electrically conductive fluid distribution plate for fuel cells | Mahmoud H. Abd Elhamid, Feng Zhong, Richard H. Blunk, Youssef M. Mikhail, Gayatri Vyas +5 more | 2014-01-07 |
| 8568940 | Joining bipolar plates using localized electrical nodes | Keith E. Newman | 2013-10-29 |
| 8507151 | Membrane electrode assembly having low surface ionomer concentration | — | 2013-08-13 |
| 8431284 | Low electrical resistance bipolar plate-diffusion media assembly | — | 2013-04-30 |
| 8431285 | Edge design for ePTFE-reinforced membranes for PEM fuel cells | William H. Pettit, Wenbin Gu | 2013-04-30 |
| 8232011 | Method of operating a fuel cell stack | Craig S. Gittleman, Yeh-Hung Lai, Christopher William Lewis, Daniel P. Miller | 2012-07-31 |
| 8089027 | Laser welding of conductive coated metallic bipolar plates | Keith E. Newman, Brian K. Brady | 2012-01-03 |
| 8053134 | Fuel cell compression retention system using planar strips | Eric J. Connor, Daniel P. Miller, Yeh-Hung Lai, Gerald W. Fly | 2011-11-08 |
| 8003279 | Electrically conductive element treated for use in a fuel cell | — | 2011-08-23 |
| 7943268 | Reinforced membrane electrode assembly | Yeh-Hung Lai, Daniel P. Miller, Brian Litteer, Craig S. Gittleman | 2011-05-17 |
| 7820335 | Plate for a fuel cell assembly | William H. Pettit, Ivan D. Chapman | 2010-10-26 |
| 7771858 | Coated steel bipolar plates | Gayatri Vyas, Augusto Kunrath Neto, John J. Moore | 2010-08-10 |
| 7687177 | Nitrided bipolar plates | Gayatri Vyas, Augusto Kunrath Neto, John J. Moore | 2010-03-30 |
| 7550174 | Low contact resistance bonding method for bipolar plates in a PEM fuel cell | Gayatri Vyas, Brian K. Brady, Michael K Lukitsch, Harald Schlag | 2009-06-23 |
| 7455928 | Diffusion media for use in a PEM fuel cell | Mark Mathias, Jörg ROTH | 2008-11-25 |
| 7396559 | Method of making an electrically conductive element for use in a fuel cell | — | 2008-07-08 |
| 7344798 | Low contact resistance bonding method for bipolar plates in a pem fuel cell | Gayatri Vyas, Brian K. Brady, Michael J. Lukitsch, Harald Schlag | 2008-03-18 |
| 6942941 | Adhesive bonds for metalic bipolar plates | Richard H. Blunk, Mahmoud H. Abd Elhamid, Daniel Lisi, Youssef M. Mikhail | 2005-09-13 |
| 6761046 | Cold rolling of glass preforms | Jayson J. Nelson, Eugene G. Hill, James M. Warner | 2004-07-13 |
| 6536320 | Slitter cutting element and method of making same | John J. Seyna | 2003-03-25 |
| 6385997 | Method for forming a tool for molding microlens arrays | Jayson J. Nelson, Eugene G. Hill, Paul O. McLaughlin, John C. Pulver | 2002-05-14 |
| 6363747 | Glass mold material for precision glass molding | John C. Pulver, Jayson J. Nelson, Eugene G. Hill, David A. Richards | 2002-04-02 |