Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161391 | Fuel-operated vehicle heater and method for operating a fuel-operated vehicle heater | Johannes Wilhelm, Alexander Rombold | 2021-11-02 |
| 11148504 | Fuel-operated vehicle heating device and method to operating a fuel-operated vehicle heating device | Vitali Dell, Matthias Pfau | 2021-10-19 |