Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435811 | Friction vacuum pump with a stator and a rotor | Ralf Adamietz, Markus Henry, Gunter Schutz, Heinrich Engländer, Gerhard Walter +1 more | 2002-08-20 |
| 6168374 | Friction vacuum pump | Robert Stolle, Heinz-Dieter Odendahl | 2001-01-02 |
| 5944049 | Apparatus and method for regulating a pressure in a chamber | Keith Trenton, Mariusch Gregor, Robert Stolle, Rudolph Bahnen, Anja Plugge +4 more | 1999-08-31 |