Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156922 | Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor | Peter Muller | 2007-01-02 |
| 6776588 | Dry compressing vacuum pump having a gas ballast device | Thomas Dreifert, Michael Holzemer, Jurgen Meyer, Frank-Udo Schönborn | 2004-08-17 |
| 5879138 | Two-stage rotary vane vacuum pump | Peter Muller | 1999-03-09 |
| 5871338 | Vacuum pump with a gas ballast device | Thomas Abelen, Peter Muller | 1999-02-16 |
| 5749716 | Integrated oil pump rotor and coupling piece for an oil-sealed vacuum pump | Thomas Abelen, Peter Muller | 1998-05-12 |
| 5697771 | Vacuum pump with oil separator | Winfried Kaiser, Peter Muller | 1997-12-16 |
| 5178522 | Method and apparatus for supplying oil to a vacuum pump | Thomas Abelen, Winfried Kaiser, Peter Muller, Dieter Vorberg | 1993-01-12 |
| 5155908 | Method for assembling a one-piece rotor system and a pump ring for a two-stage vacuum pump | Winfried Kaiser, Peter Muller | 1992-10-20 |
| 5156532 | Rotary vane vacuum pump with shaft seal | Peter Muller, Dieter Vorberg | 1992-10-20 |
| 4612957 | Vacuum pump and trap combination | Paul Bachmann, Hanns-Peter Berges, Wolfgang Leier, Dieter Vorberg | 1986-09-23 |