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Alois Greven

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  • Erkelenz, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pump
    • Patent number 7,544,046
    • Issue date Jun 9, 2009
    • Oerlikon Leybold Vacuum GmbH
    • Christian Beyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM PUMP
    • Publication number 20110033317
    • Publication date Feb 10, 2011
    • Orelikon Leybold Vacuum GmbH
    • Alois Greven
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20100303640
    • Publication date Dec 2, 2010
    • Alois Greven
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    High rotational speed vacuum pump
    • Publication number 20090202360
    • Publication date Aug 13, 2009
    • Karl-Heinrich Völker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum turbomolecular pump
    • Publication number 20090136361
    • Publication date May 28, 2009
    • Alois Greven
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum pump
    • Publication number 20050129535
    • Publication date Jun 16, 2005
    • Christian Beyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...