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Heinrich Lotz

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  • Wetzlar, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device for feeding oil to a bearing seat of a rotatable shaft
    • Patent number 7,367,429
    • Issue date May 6, 2008
    • Pfeiffer Vacuum GmbH
    • Armin Blecker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas friction pump
    • Patent number 6,638,010
    • Issue date Oct 28, 2003
    • Pfeiffer Vacuum GmbH
    • Armin Conrad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbomolecular pump
    • Patent number 6,561,755
    • Issue date May 13, 2003
    • Pfeiffer Vacuum GmbH
    • Heinrich Lotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas friction pump
    • Patent number 6,524,060
    • Issue date Feb 25, 2003
    • Pfeiffer Vacuum GmbH
    • Armin Conrad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbomolecular pump
    • Patent number 6,461,123
    • Issue date Oct 8, 2002
    • Pfeiffer Vacuum GmbH
    • Heinrich Lotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 6,409,477
    • Issue date Jun 25, 2002
    • Pfeiffer Vacuum GmbH
    • Armin Blecker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double-flow gas friction pump
    • Patent number 5,927,940
    • Issue date Jul 27, 1999
    • Pfeiffer Vacuum GmbH
    • Heinrich Lotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Damping device for a magnetically supported rotor
    • Patent number 5,910,695
    • Issue date Jun 8, 1999
    • Pfeiffer Vacuum GmbH
    • Heinrich Lotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas friction pump
    • Patent number 5,893,702
    • Issue date Apr 13, 1999
    • Pfeiffer Vacuum GmbH
    • Armin Conrad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with drive motor
    • Patent number 5,088,899
    • Issue date Feb 18, 1992
    • Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH
    • Armin Blecker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumps
    • Patent number 4,832,564
    • Issue date May 23, 1989
    • Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH
    • Kurt Holss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 4,826,394
    • Issue date May 2, 1989
    • Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH
    • Heinrich Lotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Discs with blades
    • Patent number 4,770,574
    • Issue date Sep 13, 1988
    • Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH
    • Heinrich Lotz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Device for feeding oil to a bearing seat of a rotatable shaft
    • Publication number 20040251084
    • Publication date Dec 16, 2004
    • Armin Blecker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas friction pump
    • Publication number 20020064451
    • Publication date May 30, 2002
    • Armin Conrad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas friction pump
    • Publication number 20010018018
    • Publication date Aug 30, 2001
    • Armin Conrad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...