Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790546 | Method of heating and humidifying at least one of a fuel stream and an oxidant stream for a fuel cell | Xuesong Chen, David Frank, Joe Cargnelli | 2004-09-14 |
| 6746789 | Catalytic humidifier and heater for the fuel stream of a fuel cell | Xuesong Chen, David Frank, Joe Cargnelli | 2004-06-08 |
| 6706429 | Catalytic humidifier and heater, primarily for humidification of the oxidant stream for a fuel cell | David Frank, Xuesong Chen, Joe Cargnelli | 2004-03-16 |