Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9368817 | In-situ fuel cell stack reconditioning | Daniel T. Folmsbee, Balasubramanian Lakshmanan, John P. Salvador, Bernd Krause, David R. Savage +2 more | 2016-06-14 |
| 8660819 | Utilization of HFR-based cathode inlet RH model in comparison to sensor feedback to determine failed water vapor transfer unit and utilize for a diagnostic code and message | Todd K. Preston, Sergio E. Garcia | 2014-02-25 |
| 8450025 | Assisted stack anode purge at start-up of fuel cell system | Charles Mackintosh, Gary M. Robb, Steven G. Goebel | 2013-05-28 |
| 8057942 | Assisted stack anode purge at start-up of fuel cell system | Charles Mackintosh, Gary M. Robb, Steven G. Goebel | 2011-11-15 |
| 7919209 | System stability and performance improvement with anode heat exchanger plumbing and re-circulation rate | Abdullah B. Alp | 2011-04-05 |
| 7695844 | System stability improvements tolerating increased nitrogen cross-over | Abdullah B. Alp | 2010-04-13 |