Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7264439 | Evacuating device | Roland Blumenthal, Dirk Kalisch | 2007-09-04 |
| 6814550 | Vacuum pump with vibration absorber | Christian Beyer, Heinrich Engländer, Dieter Gotz | 2004-11-09 |
| 6599084 | Rotor fixture for a friction vacuum pump | Gunter Schutz, Christian Beyer, Dieter Haas | 2003-07-29 |
| 6457954 | Frictional vacuum pump with chassis, rotor, housing and device fitted with such a frictional vacuum pump | Christian Beyer, Gunter Schutz | 2002-10-01 |
| 6435811 | Friction vacuum pump with a stator and a rotor | Christian Beyer, Markus Henry, Gunter Schutz, Heinrich Engländer, Gerhard Walter +1 more | 2002-08-20 |