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Donald A. Olsen

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  • Millis, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cryopump temperature control of arrays
    • Patent number 7,155,919
    • Issue date Jan 2, 2007
    • Brooks Automation, Inc.
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronically controlled cryopump
    • Patent number 6,755,028
    • Issue date Jun 29, 2004
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronically controlled cryopump
    • Patent number 6,460,351
    • Issue date Oct 8, 2002
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronically controlled cryopump
    • Patent number 6,318,093
    • Issue date Nov 20, 2001
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronic process controller having password override
    • Patent number 5,450,316
    • Issue date Sep 12, 1995
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronically controlled cryopump
    • Patent number 5,343,708
    • Issue date Sep 6, 1994
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronically controlled cryopump
    • Patent number 5,157,928
    • Issue date Oct 27, 1992
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronically controlled cryopump
    • Patent number 4,918,930
    • Issue date Apr 24, 1990
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cryopump and method of starting the cryopump
    • Patent number 4,763,483
    • Issue date Aug 16, 1988
    • Helix Technology Corporation
    • Donald A. Olsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil free vacuum system
    • Patent number 4,577,465
    • Issue date Mar 25, 1986
    • Helix Technology Corporation
    • Donald A. Olsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cryopump with rapid cooldown and increased pressure
    • Patent number 4,546,613
    • Issue date Oct 15, 1985
    • Helix Technology Corporation
    • Michael J. Eacobacci
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Cryopump temperature control of arrays
    • Publication number 20050081536
    • Publication date Apr 21, 2005
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Electronically controlled vacuum pump gauge
    • Publication number 20040194477
    • Publication date Oct 7, 2004
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Electronically controlled cryopump
    • Publication number 20030051487
    • Publication date Mar 20, 2003
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Electronically controlled cryopump
    • Publication number 20020104320
    • Publication date Aug 8, 2002
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Electronically controlled cryopump
    • Publication number 20010012485
    • Publication date Aug 9, 2001
    • Helix Technology Corporation
    • Peter W. Gaudet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...