Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7235315 | Electrochemical fuel cell stack having a plurality of integrated voltage reversal protection diodes | Shanna Knights, Jacob W. De Vaal, David P. Wilkinson | 2007-06-26 |
| 7226689 | Method of making a membrane electrode assembly for electrochemical fuel cells | Siyu Ye, Paul Beattie, Todd Ernest Wilke, Shannon R Hodgson, Kyoung Bai | 2007-06-05 |
| 7060166 | Aqueous ionomeric gels and products and methods related thereto | Wesley Gervais, Kristi Zychowka, Lawrence Vanderark, Kevin Colbow | 2006-06-13 |
| 6679979 | Aqueous ionomeric gels and products and methods related thereto | Wesley Gervais, Kristi Zychowka, Lawrence Vanderark, Kevin Colbow | 2004-01-20 |
| 6673480 | Sensor cell for an electrochemical fuel cell stack | David P. Wilkinson, Shanna Knights | 2004-01-06 |
| 6500572 | Method for operating fuel cells on impure fuels | Shanna Knights, Rajeev Vohra, David P. Wilkinson | 2002-12-31 |
| 6210820 | Method for operating fuel cells on impure fuels | Shanna Knights, Rajeev Vohra, David P. Wilkinson | 2001-04-03 |