Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863420 | Vacuum pump of lightweight construction | Oleksandr Kozin, Remigius Szczepanek, Jörg Wallenfels, Rolf Gerschwinat, Kornelia Frowein | 2018-01-09 |
| 9322411 | Coupling, rotor, and assembly for a pump | — | 2016-04-26 |
| 8776831 | Check valve | Noriyki Otsuka, Marek Raczko, Alexander Freiburg | 2014-07-15 |