Stefan Zabeschek

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Asslar-Berghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cylinder-piston arrangement
- Patent number 7,669,516
- Issue date Mar 2, 2010
- Pfeiffer Vacuum GmbH
- Thomas Cromm
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Piston machine with ported piston head
- Patent number 7,241,120
- Issue date Jul 10, 2007
- Pfeiffer Vacuum GmbH
- Eckard Bez
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Multi-stage reciprocating vacuum pump and method of operating the same
- Patent number 7,226,276
- Issue date Jun 5, 2007
- Pfeiffer Vacuum GmbH
- Eckhard Bez
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Valve arrangement for a vacuum pump
- Patent number 7,036,792
- Issue date May 2, 2006
- Pfeiffer Vacuum GmbH
- Eckhard Bez
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Cylinder-piston arrangement
- Publication number 20070274847
- Publication date Nov 29, 2007
- Thomas Cromm
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Multi-stage reciprocating vacuum pump and method of operating the same
- Publication number 20040136835
- Publication date Jul 15, 2004
- Eckhard Bez
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Piston machine for delivering gases
- Publication number 20040071574
- Publication date Apr 15, 2004
- Eckard Bez
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Valve arrangement for a vacuum pump
- Publication number 20040056228
- Publication date Mar 25, 2004
- Eckhard Bez
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...