Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274668 | Vacuum pump having a silencer | Otmar Cornely, Peter Birch | 2022-03-15 |
| 11255328 | Multi-stage rotary lobe pump | — | 2022-02-22 |
| 5114320 | Blower or pump with capillary filter for replenishment of oil separated by vacuum pump | Hans-Peter Kabelitz, Martin Muhlhoff, Hans Kriechel, Wolfgang Maas | 1992-05-19 |