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Doug Andrews

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  • Millis, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Integration of automated cryopump safety purge
    • Patent number 9,970,427
    • Issue date May 15, 2018
    • Brooks Automation, Inc.
    • Paul E. Amundsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Integration of automated cryopump safety purge
    • Patent number 7,415,831
    • Issue date Aug 26, 2008
    • Brooks Automation, Inc.
    • Paul E. Amundsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Integration of automated cryopump safety purge
    • Patent number 6,920,763
    • Issue date Jul 26, 2005
    • Helix Technology Corporation
    • Paul E. Amundsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fail-safe cryopump safety purge delay
    • Patent number 6,895,766
    • Issue date May 24, 2005
    • Helix Technology Corporation
    • Paul E. Amundsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Integration of Automated Cryopump Safety Purge
    • Publication number 20090007574
    • Publication date Jan 8, 2009
    • Paul E. Amundsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Integration of automated cryopump safety purge
    • Publication number 20050262852
    • Publication date Dec 1, 2005
    • Helix Technology Corporation
    • Paul E. Amundsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Integration of automated cryopump safety purge with set point
    • Publication number 20040261424
    • Publication date Dec 30, 2004
    • Helix Technology Corporation
    • Paul E. Amundsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Integration of automated cryopump safety purge
    • Publication number 20040261426
    • Publication date Dec 30, 2004
    • Helix Technology Corporation
    • Paul E. Amundsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fail-safe cryopump safety purge delay
    • Publication number 20040261425
    • Publication date Dec 30, 2004
    • Helix Technology Corporation
    • Paul E. Amundsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...