TREA

Pao-Chi CHANG

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  • TAICHUNG CITY, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas safety device using low power to control high flow
    • Patent number 11,719,434
    • Issue date Aug 8, 2023
    • Seven Universe Industrial Co., Ltd.
    • Pao-Chi Chang
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Overflow and overheat shutoff safety gas inlet
    • Patent number 11,441,692
    • Issue date Sep 13, 2022
    • Seven Universe Industrial Co., Ltd.
    • Pao-Chi Chang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas ignition switch
    • Patent number 9,335,053
    • Issue date May 10, 2016
    • Seven Universe Industrial Co., Ltd.
    • Pao-Chi Chang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Gas switch capable of adjusting fire intensity finely
    • Patent number 8,104,507
    • Issue date Jan 31, 2012
    • Seven Universe Industrial Co., Ltd.
    • Pao-Chi Chang
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Multiple-input gas adjuster
    • Patent number 7,810,517
    • Issue date Oct 12, 2010
    • Seven Universe Industrial Co., Ltd.
    • Pao-Chi Chang
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS SAFETY DEVICE USING LOW POWER TO CONTROL HIGH FLOW
    • Publication number 20220065449
    • Publication date Mar 3, 2022
    • SEVEN UNIVERSE INDUSTRIAL CO., LTD.
    • PAO-CHI CHANG
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    OVERFLOW AND OVERHEAT SHUTOFF SAFETY GAS INLET
    • Publication number 20210199207
    • Publication date Jul 1, 2021
    • SEVEN UNIVERSE INDUSTRIAL CO., LTD.
    • PAO-CHI CHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    NOZZLE SEALING STRUCTURE FOR METAL GAS PIPES
    • Publication number 20150377354
    • Publication date Dec 31, 2015
    • SEVEN UNIVERSE INDUSTRIAL CO., LTD.
    • Pao-Chi CHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEVEN UNIVERSE INDUSTRIAL CO., LTD.
    • Publication number 20150007685
    • Publication date Jan 8, 2015
    • SEVEN UNIVERSE INDUSTRIAL CO., LTD.
    • Pao-Chi CHANG
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    GAS IGNITION SWITCH
    • Publication number 20140072918
    • Publication date Mar 13, 2014
    • Pao-Chi Chang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    SAFETY CONTROL DEVICE OF GAS OVEN
    • Publication number 20120304976
    • Publication date Dec 6, 2012
    • Pao-Chi Chang
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    SOLENOID SWITCH
    • Publication number 20120168656
    • Publication date Jul 5, 2012
    • Pao-Chi Chang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GAS SWITCH
    • Publication number 20120118188
    • Publication date May 17, 2012
    • Pao-Chi Chang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    GAS SWITCH CAPABLE OF ADJUSTING FIRE INTENSITY FINELY
    • Publication number 20100178623
    • Publication date Jul 15, 2010
    • Pao-Chi Chang
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Multiple-input gas adjuster
    • Publication number 20090120513
    • Publication date May 14, 2009
    • Pao-Chi Chang
    • G05 - CONTROLLING REGULATING