Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9190681 | Method of controlling a fuel cell system using impedance determination | Matthias Gottmann, Chad Pearson, James Daniel Smith | 2015-11-17 |
| 8986900 | Method of controlling a fuel cell system using impedance determination | Matthias Gottmann, Chad Pearson, James Daniel Smith | 2015-03-24 |
| 8652697 | Controlling a fuel cell system based on fuel cell impedance characteristic | Matthias Gottmann, Chad Pearson, James Daniel Smith | 2014-02-18 |