Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8877392 | PEM fuel cell stack inlet water regulation system | Jon P. Owejan, Thomas A. Trabold, William H. Pettit, Thomas W. Tighe, Eric J. Connor +1 more | 2014-11-04 |
| 8859163 | PEM fuel cell stack inlet water regulation system | Jon P. Owejan, Steven G. Goebel, Thomas A. Trabold | 2014-10-14 |
| 6390078 | Two stage concentric EGR valves | Paul Timothy Gee, Richard Nashburn | 2002-05-21 |