Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7060166 | Aqueous ionomeric gels and products and methods related thereto | Wesley Gervais, Michael Lauritzen, Kristi Zychowka, Lawrence Vanderark | 2006-06-13 |
| 6884530 | Method of improving the performance of a direct feed fuel cell | Monica Manmohan Kaila, Jiujun Zhang, Jens Müller, Gustav Boehm | 2005-04-26 |
| 6864001 | Tetramethyl orthocarbonate fuel cells and systems and methods related thereto | Jiujun Zhang | 2005-03-08 |
| 6777116 | Direct dimethyl ether fuel cells | Jens Müller, Peter Urban, Regina Wezel, Jiujun Zhang | 2004-08-17 |
| 6698278 | Indirect measurement of fuel concentration in a liquid feed fuel cell | Jiujun Zhang, Alfred Wong, Bruce Lin | 2004-03-02 |
| 6679979 | Aqueous ionomeric gels and products and methods related thereto | Wesley Gervais, Michael Lauritzen, Kristi Zychowka, Lawrence Vanderark | 2004-01-20 |
| 6613464 | Method and apparatus for reducing reactant crossover in a liquid feed electrochemical fuel cell | David P. Wilkinson, Mark C. Johnson, Stephen A. Campbell | 2003-09-02 |
| 6527943 | Fuel cell concentration sensor | Jiujun Zhang, David P. Wilkinson, Jens Müller | 2003-03-04 |
| 6472090 | Method and apparatus for operating an electrochemical fuel cell with periodic reactant starvation | Marian van der Geest, Cindy J. Longley, Jens Müller, Joy Roberts, Jean St-Pierre +4 more | 2002-10-29 |
| 6410175 | Fuel cell system with improved starting capability | Werner Tillmetz, David P. Wilkinson, Jean St.-Pierre | 2002-06-25 |
| 6187467 | Ionomer impregnation of electrode substrates for improved fuel cell performance | Jiujun Zhang, David P. Wilkinson | 2001-02-13 |
| 6153323 | Electrode treatment method for improving performance in liquid feed fuel cells | Jiujun Zhang, David P. Wilkinson | 2000-11-28 |
| 5874182 | Method and apparatus for reducing reactant crossover in a liquid feed electrochemical fuel cell | David P. Wilkinson, Mark C. Johnson, Stephen A. Campbell | 1999-02-23 |
| 5672439 | Method and apparatus for reducing reactant crossover in an electrochemical fuel cell | David P. Wilkinson, Mark C. Johnson, Stephen A. Campbell | 1997-09-30 |