Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651806 | Non-flammable exhaust enabler for hydrogen powered fuel cells | Prem Menon, David A. Masten, Norm Dill, Robert Schafer, Daniel B. O'Connell +1 more | 2010-01-26 |
| 7442456 | Current control for parallel fuel cell stacks | John Wheat, Clark G. Hochgraf | 2008-10-28 |
| 7396601 | Flow control for multiple stacks | Jeff A Rock | 2008-07-08 |
| 7063905 | Fuel cell H2 exhaust conversion | Prem Menon, Norman Dill | 2006-06-20 |
| 6936362 | Variable pressure drop stack | Jeff A Rock | 2005-08-30 |