Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162680 | Process for operating a fuel-operated vehicle heater and fuel-operated vehicle heater | Michael Humburg, Wolfgang Pfister, Hans JENSEN | 2021-11-02 |
| 11142041 | Method for operating a fuel-operated vehicle heater | Wolfgang Pfister | 2021-10-12 |
| 11104206 | Vehicle heater | Andreas Collmer, Michael Haefner | 2021-08-31 |
| 11072222 | Combustion chamber assembly unit | Michael Humburg, Wolfgang Pfister | 2021-07-27 |