Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11376911 | Spring control arm | Dieter Friesen, Oliver Mielke, Stephan Meyer, Jürgen Hummelt, Thomas Klee | 2022-07-05 |
| 5511773 | Compensating support arrangement | — | 1996-04-30 |
| 4846856 | Circulating air scrubber | Thomas Burger, David M. Collins, Stephen M. Collins | 1989-07-11 |
| 4244710 | Air purification electrostatic charcoal filter and method | — | 1981-01-13 |
| 4227905 | Process and heat pump for the transfer of heat and cold | Waldeman Dukek, Ernst Gagel, Alfred Pretchtl, Rudolf Kalmovicz | 1980-10-14 |