Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8916305 | Methods of generating hydrogen gas and power | Richard A. Langan, Jason L. Stimits, Chad E. Law, Thomas J. Kmetich, Allison M. Fisher +2 more | 2014-12-23 |
| 8795926 | Pump assembly for a fuel cell system | Daniel Braithwaite, Tibor Fabian, Tobin Fisher, Jonathan Glassman, Andrew Phillip Gust Peterson +1 more | 2014-08-05 |
| 8771889 | Hydrogen generator | Richard A. Langan, Jason L. Stimits, Chad E. Law, Thomas J. Kmetich, Allison M. Fisher +2 more | 2014-07-08 |
| 8764858 | Hydrogen gas generating apparatus with expandable reaction chamber | Guanghong Zheng | 2014-07-01 |
| 8545195 | Hydrogen generator with pump | — | 2013-10-01 |
| 8298719 | Passive recovery of liquid water produced by fuel cells | Alex Mossman, Brian Wells, Henry H. Voss | 2012-10-30 |
| 8206869 | Electrochemical fuel cell stack with integrated anode exhaust valves | Emerson R. Gallagher, Michael Sexsmith | 2012-06-26 |
| 7344792 | Electrical contacting device for a fuel cell | Wendy Ho, Simon Farrington, Maura Malone | 2008-03-18 |
| 7169490 | Hydrogen concentration sensor for an electrochemical fuel cell | Michael Sexsmith | 2007-01-30 |
| 7132185 | Fuel cell system shunt regulator method and apparatus | David Wardrop, Michael Sexsmith | 2006-11-07 |
| 6960401 | Fuel cell purging method and apparatus | Tan Duc Uong, Charles Joseph Schembri, George Skinner | 2005-11-01 |
| 6783878 | Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream | Henry H. Voss, Brian Wells, Joel A. Ronne, Harald Anton Nigsch | 2004-08-31 |
| 6739578 | Coupling mechanism and valve system for a pressurized fluid container | Kenneth Strang | 2004-05-25 |
| 6724194 | Cell voltage monitor for a fuel cell stack | — | 2004-04-20 |
| 6576361 | Method and apparatus for isolating a fuel cell assembly from its surroundings | — | 2003-06-10 |
| 6423439 | Membrane electrode assembly for an electrochemical fuel cell | Peter R. Gibb, Joel A. Ronne, Henry H. Voss | 2002-07-23 |
| 6416895 | Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream | Henry H. Voss, Brian Wells, Joel A. Ronne, Harald Anton Nigsch | 2002-07-09 |
| 6284397 | Rotary piston blower for supplying an oxidant stream to a fuel cell | — | 2001-09-04 |
| 6190793 | Electrochemical fuel cell stack with an improved compression assembly | Joel A. Ronne, Henry H. Voss | 2001-02-20 |
| 6171374 | Plate and frame fluid exchanging assembly with unitary plates and seals | Brian Wells, Joel A. Ronne | 2001-01-09 |
| 6106964 | Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream | Henry H. Voss, Brian Wells, Joel A. Ronne, Harald Anton Nigsch | 2000-08-22 |
| 6057054 | Membrane electrode assembly for an electrochemical fuel cell and a method of making an improved membrane electrode assembly | Peter R. Gibb, Joel A. Ronne, Henry H. Voss | 2000-05-02 |
| 5686200 | Electrochemical fuel cell assembly with compliant compression mechanism | Henry H. Voss | 1997-11-11 |