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Gerhard Wilhelm Walter

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  • Koeln, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum device
    • Patent number 7,481,066
    • Issue date Jan 27, 2009
    • Oerlikon Leybold Vacuum GmbH
    • Dirk Schiller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Friction vacuum pump with a stator and a rotor
    • Patent number 6,435,811
    • Issue date Aug 20, 2002
    • Leybold Vakuum GmbH
    • Christian Beyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    REFRIGERATION MACHINE
    • Publication number 20200386455
    • Publication date Dec 10, 2020
    • Leybold GmbH
    • Bernhard Fischer
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COLD HEADER FOR CRYOGENIC REFRIGERATING MACHINE
    • Publication number 20160273809
    • Publication date Sep 22, 2016
    • OERLIKON LEYBOLD VACUUM GMBH
    • Gerhard Wilhelm Walter
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    TURBOMOLECULAR PUMP
    • Publication number 20140369809
    • Publication date Dec 18, 2014
    • OERLIKON LEYBOLD VACUUM GMBH
    • Christian Beyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LEAK DETECTION DEVICE AND METHOD FOR CHECKING OBJECTS FOR FLUID TIG...
    • Publication number 20140123732
    • Publication date May 8, 2014
    • Oerlikon Leybold Vaccuum GmbH
    • Gerhard Wilhelm Walter
    • G01 - MEASURING TESTING
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20110286833
    • Publication date Nov 24, 2011
    • Oerlikon Leybold Vacuum GmbH
    • Holger Dietz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TURBOMOLECULAR PUMP
    • Publication number 20100187415
    • Publication date Jul 29, 2010
    • OERLIKON LEYBOLD VACUUM GMBH
    • Robert Schneiders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum device
    • Publication number 20060272338
    • Publication date Dec 7, 2006
    • Dirk Schiller
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...