Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827287 | Method of operating a hearing device and hearing device | Stefan Petrausch | 2020-11-03 |
| 10805749 | Method for operating a hearing aid device, and hearing aid device | Stefan Petrausch | 2020-10-13 |
| 9266092 | Automotive catalyst composites having a two-metal layer | Stefan Kotrel, Attilio Siani, Stephan Siemund, Thomas Schmitz, Burkhard Rabe +4 more | 2016-02-23 |
| 8815189 | Gasoline engine emissions treatment systems having particulate filters | Stephan Siemund, Attilio Siani, Knut Wassermann | 2014-08-26 |
| 8617496 | Three way conversion catalyst with alumina-free rhodium layer | Junmei Wei, Attilio Siani, Stefan Kotrel, Stephan Siemund, Knut Wassermann | 2013-12-31 |