Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11171343 | Fuel cell stack and method for operating a fuel cell stack | Arnulf Sponheimer, Stephan Strahl, Julio OROZCO SANTOS COY | 2021-11-09 |
| 10957923 | Preventing the formation of black ice as a result of exhaust water from motor vehicles | Guenter Hans Grosch, Thomas Werner STEINKOPF, Stephan Strahl, Rainer Lach | 2021-03-23 |