Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9876249 | Fuel cell stacks with increased natural frequency | Rae Hartwell | 2018-01-23 |
| 9028991 | Fuel cell system with variable Coanda amplifiers for gas recirculation and system pressure regulation | Andreas Knoop | 2015-05-12 |
| 6631736 | Device for metering a gaseous medium | Joachim Seitz | 2003-10-14 |
| 6444345 | Fuel cell system | — | 2002-09-03 |
| 5967164 | Valve with a Laval nozzle and a method of metering a fluid | Michael Denda, Wolfram Fleck | 1999-10-19 |