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John Borchers

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  • Allentown, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas balanced cryogenic expansion engine
    • Patent number 9,581,360
    • Issue date Feb 28, 2017
    • SUMITOMO (SHI) CRYOGENIC OF AMERICA, INC.
    • Stephen Dunn
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Gas balanced cryogenic expansion engine
    • Patent number 8,776,534
    • Issue date Jul 15, 2014
    • Sumitomo (Shi) Cryogenics of America Inc.
    • Stephen Dunn
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Interrupted DC operation of thermocouple vacuum gauge
    • Patent number 7,451,652
    • Issue date Nov 18, 2008
    • Sumitomo Heavy Industries, Ltd.
    • John Borchers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS BALANCED CRYOGENIC EXPANSION ENGINE
    • Publication number 20140290278
    • Publication date Oct 2, 2014
    • Sumitomo (SHI) Cryogenics of America, Inc
    • Stephen Dunn
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    GAS BALANCED CRYOGENIC EXPANSION ENGINE
    • Publication number 20120285181
    • Publication date Nov 15, 2012
    • Stephen Dunn
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    EXPANDER SPEED CONTROL
    • Publication number 20110030392
    • Publication date Feb 10, 2011
    • Sumitomo (SHI) Cryogenics of America, Inc
    • John Borchers
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Interrupted DC operation of thermocouple vacuum gauge
    • Publication number 20070193283
    • Publication date Aug 23, 2007
    • John Borchers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Cryopump control system
    • Publication number 20050034465
    • Publication date Feb 17, 2005
    • John Borchers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...