Issued Patents All Time
Showing 1–25 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9917314 | Mitigating electrode erosion in high temperature PEM fuel cell | Robert Mason Darling, Paravastu Badrinarayanan | 2018-03-13 |
| 9911995 | Multi-point fuel cell voltage monitor | — | 2018-03-06 |
| 9231262 | Multi-point fuel cell voltage monitor | — | 2016-01-05 |
| 9130205 | Controlling PEM fuel cell voltage during power transitions and idling | — | 2015-09-08 |
| 8808934 | Low power control of fuel cell open circuit voltage | Matthew P. Wilson, Venkateshwarlu Yadha | 2014-08-19 |
| 8728684 | Reduced axial pressure in fuel cell stacks | Paravastu Badrinarayanan | 2014-05-20 |
| 8673513 | Determining duration of fuel cell shutdown hydrogen stabilization by counting coulombs | — | 2014-03-18 |
| 8277991 | Hydrogen passivation shut down system for a fuel cell power plant | Tommy Skiba, Timothy W. Patterson | 2012-10-02 |
| 8142950 | Hydrogen passivation shut down system for a fuel cell power plant | Venkateshwarlu Yadha, Matthew P. Wilson | 2012-03-27 |
| 8124287 | Controlling an amount of liquid within a fuel cell | Ryan J. Balliet, Timothy W. Patterson | 2012-02-28 |
| 8076039 | Small volume, fuel cell inlet fuel gas distributor having low pressure drop | John H. Whiton, Yu WANG, George Hirko | 2011-12-13 |
| 7976997 | Robust heating of fuel cells during subfreezing start | — | 2011-07-12 |
| 7977010 | PEM fuel cell system with a porous hydrophobic plug for maintaining system back pressure and methods for designing the plug and for designing systems for using the plug | Robert Mason Darling, William J. Bajorek | 2011-07-12 |
| 7972745 | PEM fuel cell system with a porous hydrophobloc plug for maintaining system back pressure and methods for designing the plug and for designing systems for using the plug | Robert Mason Darling, William J. Bajorek | 2011-07-05 |
| 7931996 | Fuel cell with randomly-dispersed carbon fibers in a backing layer | — | 2011-04-26 |
| 7875397 | Permeable inlet fuel gas distributor for fuel cells | James R. Geschwindt, Robin J. Guthrie, George Hirko, Jeremy P. Meyers, Javier Resto +5 more | 2011-01-25 |
| 7871732 | Single reactant gas flow field plate PEM fuel cell | Ryan J. Balliet | 2011-01-18 |
| 7855020 | Hydrogen passivation shut down system for a fuel cell power plant | Paul R. Margiott, Francis Preli, Galen Kulp, Michael L. Perry, Ryan J. Balliet | 2010-12-21 |
| 7807302 | Preventing fuel starvation of a fuel cell stack | — | 2010-10-05 |
| 7771663 | Catalytic combustors keeping contained medium warm in response to hydrostatic valve | Kazuo Saito, James Cameron, Gennady Resnick | 2010-08-10 |
| 7754364 | PEM fuel cell system with a porous hydrophobic plug for maintaining system back pressure and methods for designing the plug and for designing systems for using the plug | Robert Mason Darling, William J. Bajorek | 2010-07-13 |
| 7732073 | Fuel cell minimum fuel recycle with maximum fuel utilization | — | 2010-06-08 |
| 7645531 | Retaining water in a fuel cell stack for cooling and humidification during frozen startup | Robert Mason Darling, Craig E. Evans, Tommy Skiba, Ryan J. Balliet | 2010-01-12 |
| 7579098 | Fuel cells evaporative reactant gas cooling and operational freeze prevention | Jeremy P. Meyers, David Johnson, Craig E. Evans, Robert Mason Darling, Tommy Skiba +1 more | 2009-08-25 |
| 7579100 | Fuel stack assembly | Nileshkumar Dave, Bryan F. Dufner | 2009-08-25 |