TREA

John A. Yencho

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  • Elmhurst, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealed motor driven valve
    • Patent number 6,460,567
    • Issue date Oct 8, 2002
    • Hansen Technologies Corpporation
    • Charles C. Hansen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Modulating expansion valve
    • Patent number 6,244,561
    • Issue date Jun 12, 2001
    • Hansen Technologies Corporation
    • Charles C. Hansen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rupture disk assembly
    • Patent number 6,240,948
    • Issue date Jun 5, 2001
    • Hansen Technologies Corporation
    • Charles C. Hansen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Liquid level control system for refrigeration apparatus
    • Patent number 5,031,068
    • Issue date Jul 9, 1991
    • Hansen Technologies Corporation
    • Charles C. Hansen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Liquid level control system for refrigeration apparatus
    • Patent number 4,809,129
    • Issue date Feb 28, 1989
    • Hansen Technologies Corporation
    • Charles C. Hansen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Float switch assembly for refrigeration system
    • Patent number 4,647,740
    • Issue date Mar 3, 1987
    • Hansen Technologies Corp.
    • Charles C. Hansen
    • H01 - BASIC ELECTRIC ELEMENTS