TREA

Stephen Dunn

Follow

Person

  • Bethlehem, PA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Serially arranged circulating cryocooler system
    • Patent number 12,253,289
    • Issue date Mar 18, 2025
    • SUMITOMO (SHI) CRYGENICS OF AMERICA, INC.
    • Stephen B. Dunn
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Helium compressor system with unmodified scroll compressor
    • Patent number 12,104,596
    • Issue date Oct 1, 2024
    • Sumitomo (SHI) Cryogenics of America, Inc.
    • Stephen Brown Dunn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual helium compressors
    • Patent number 11,149,992
    • Issue date Oct 19, 2021
    • SUMITOMO (SHI) CRYOGENIC OF AMERICA, INC.
    • Eric Robert Seitz
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • 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

    Air cooled helium compressor
    • Patent number 8,978,400
    • Issue date Mar 17, 2015
    • Sumitomo (Shi) Cryogenics of America Inc.
    • Stephen Dunn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Horizontal bulk oil separator
    • Patent number 8,187,370
    • Issue date May 29, 2012
    • SHI-APD Cryogenics, Inc.
    • Stephen B. Dunn
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compressor with oil bypass
    • Patent number 7,674,099
    • Issue date Mar 9, 2010
    • Sumitomo Heavy Industries, Ltd.
    • Stephen Dunn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SYSTEM FOR CAPTURING VAPOR FROM A CRYOGENIC STORAGE TANK
    • Publication number 20230288029
    • Publication date Sep 14, 2023
    • Sumitomo (SHI) Cryogenics of America, Inc
    • Stephen B. DUNN
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    SERIALLY ARRANGED CIRCULATING CRYOCOOLER SYSTEM
    • Publication number 20230033344
    • Publication date Feb 2, 2023
    • Sumitomo (SHI) Cryogenics of America, Inc
    • Stephen B. DUNN
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HELIUM COMPRESSOR SYSTEM WITH UNMODIFIED SCROLL COMPRESSOR
    • Publication number 20220290670
    • Publication date Sep 15, 2022
    • Sumitomo (SHI) Cryogenics of America, Inc
    • Stephen Brown DUNN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL HELIUM COMPRESSORS
    • Publication number 20220003462
    • Publication date Jan 6, 2022
    • Sumitomo (SHI) Cryogenics of America, Inc
    • Eric Robert Seitz
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COLD START HELIUM COMPRESSOR
    • Publication number 20170175743
    • Publication date Jun 22, 2017
    • Sumitomo (SHI) Cryogenics of America, Inc
    • Stephen Dunn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL HELIUM COMPRESSORS
    • Publication number 20170176055
    • Publication date Jun 22, 2017
    • Sumitomo (SHI) Cryogenics of America, Inc
    • Eric Robert Seitz
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • 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

    Air Cooled Helium Compressor
    • Publication number 20110107790
    • Publication date May 12, 2011
    • Stephen Dunn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Horizontal bulk oil separator
    • Publication number 20080011550
    • Publication date Jan 17, 2008
    • Stephen B. Dunn
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Compressor with oil bypass
    • Publication number 20070253854
    • Publication date Nov 1, 2007
    • Stephen Dunn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...