Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7166378 | Technique to regulate an efficiency of a fuel cell system | Ryan Hallum, Eric Kueckels, Richard J. Graham, Adam Solodow, Mark Torpey +1 more | 2007-01-23 | $1,800,000 |
| 7166379 | Technique to regulate an efficiency of a fuel cell system | Ryan Hallum, Eric Kueckels, Richard J. Graham, Adam Solodow, Mark Torpey +1 more | 2007-01-23 | $1,800,000 |
| 6774637 | Method of qualifying at least a portion of a fuel cell system and an apparatus employing same | Ryan Hallum, Yaobang Wu, Prathap Haridoss, Chockkalingam Karuppaiah | 2004-08-10 | $5,699,000 |
| 6650968 | Technique to regulate an efficiency of a fuel cell system | Ryan Hallum, Eric Kueckels, Richard J. Graham, Adam Solodow, Mark Torpey +1 more | 2003-11-18 | $3,156,000 |