Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9636972 | Vehicle heater | Michael Haefner, Andreas Collmer, Andreas Alber, Oliver Sauter, Christoph Köberle +3 more | 2017-05-02 |
| 9388818 | Side channel blower for a vehicle heater | Michael Haefner, Andreas Collmer, Wolfgang Pfister | 2016-07-12 |
| 9121603 | Combustion chamber assembly and ignition element therefor | Wolfgang Pfister | 2015-09-01 |