Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9675921 | Air filter attachment for side channel compressor | Ulli Kriebel, Lars Buchholz, Henryk Waniek, Achim Von Kathen | 2017-06-13 |
| 9624927 | Vacuum pump | Uwe Drewes, Klaus Rofall, Markus Loebel | 2017-04-18 |