Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835483 | Method and apparatus for controlling a combined heat and power fuel cell system | Arne Ballantine, Ryan Hallum, John Parks | 2004-12-28 |
| 6740437 | Method and apparatus for controlling a combined heat and power fuel cell system | Arne Ballantine, Ryan Hallum, John Parks | 2004-05-25 |
| 6697745 | Technique and apparatus to control the transient response of a fuel cell system | Daniel O. Jones, John Parks | 2004-02-24 |