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Anthony G. Liepert

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  • Lincoln, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Scroll pump with load bearing synchronization device
    • Patent number 7,261,528
    • Issue date Aug 28, 2007
    • Varian, Inc.
    • Anthony G. Liepert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll pump with controlled axial thermal expansion
    • Patent number 7,244,113
    • Issue date Jul 17, 2007
    • Varian, Inc.
    • Anthony G. Liepert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Light gas vacuum pumping system
    • Patent number 7,189,066
    • Issue date Mar 13, 2007
    • Varian, Inc.
    • Anthony G. Liepert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact scroll pump
    • Patent number 6,884,047
    • Issue date Apr 26, 2005
    • Varian, Inc.
    • Anthony G. Liepert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two stage scroll vacuum pump
    • Patent number 6,764,288
    • Issue date Jul 20, 2004
    • Varian, Inc.
    • Anthony G. Liepert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tip seal for scroll-type vacuum pump
    • Patent number 6,068,459
    • Issue date May 30, 2000
    • Varian, Inc.
    • Hans T. Clarke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High displacement rate,scroll-type, fluid handling apparatus
    • Patent number 5,855,473
    • Issue date Jan 5, 1999
    • Varian Associates, Inc.
    • Anthony G. Liepert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High displacement rate, scroll-type, fluid handling apparatus
    • Patent number 5,616,015
    • Issue date Apr 1, 1997
    • Varian Associates, Inc.
    • Anthony Liepert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Scroll pump with controlled axial thermal expansion
    • Publication number 20060078450
    • Publication date Apr 13, 2006
    • Varian, Inc.
    • Anthony G. Liepert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Light gas vacuum pumping system
    • Publication number 20050254981
    • Publication date Nov 17, 2005
    • Anthony G. Liepert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll pump with load bearing synchronization device
    • Publication number 20050220647
    • Publication date Oct 6, 2005
    • Anthony G. Liepert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPACT SCROLL PUMP
    • Publication number 20050084403
    • Publication date Apr 21, 2005
    • Anthony G. Liepert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Scroll pump using isolation bellows and synchronization mechanism
    • Publication number 20050063850
    • Publication date Mar 24, 2005
    • Anthony G. Liepert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...