Paul Bachmann

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Multi-stage vacuum pump with reaction chamber between stages
- Patent number 5,131,825
- Issue date Jul 21, 1992
- Leybold Aktiengesellschaft
- Paul Bachmann
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Filter cartridge with series elements for chemical and mechanical f...
- Patent number 4,886,599
- Issue date Dec 12, 1989
- Leybold AG
- Paul Bachmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for purifying hydrogen-free fluorinated lubricants
- Patent number 4,756,825
- Issue date Jul 12, 1988
- Leybold-Heraeus GmbH
- Paul Bachmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Vacuum pump and trap combination
- Patent number 4,612,957
- Issue date Sep 23, 1986
- Leybold-Heraeus GmbH
- Lutz Arndt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...