Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 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 | $2,337,000 |
| 7396601 | Flow control for multiple stacks | Jeff A Rock | 2008-07-08 | $3,754,000 |
| 7063905 | Fuel cell H2 exhaust conversion | Prem Menon, Norman Dill | 2006-06-20 | $16,098,000 |
| 6936362 | Variable pressure drop stack | Jeff A Rock | 2005-08-30 | $17,215,000 |