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Zhejiang Dunan Hetian Metal Co., Ltd.

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Organization

  • Zhuji, Zhejiang, CN
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of sensing superheat
    • Patent number 9,772,235
    • Issue date Sep 26, 2017
    • Zhejiang DunAn Hetian Metal Co., LTD.
    • Parthiban Arunasalam
    • G01 - MEASURING TESTING
  • Information Patent Grant

    On-demand micro expansion valve for a refrigeration system
    • Patent number 9,714,780
    • Issue date Jul 25, 2017
    • Zhejiang Dunan Hetian Metal Co., Ltd.
    • Edward Nelson Fuller
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Superheat sensor having external temperature sensor
    • Patent number 9,404,815
    • Issue date Aug 2, 2016
    • Zhejiang Dunan Hetian Metal Co., Ltd.
    • Parthiban Arunasalam
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Wheatstone bridge check valve arrangement
    • Patent number 9,328,832
    • Issue date May 3, 2016
    • Zhejiang DunAn Hetian Metal Co., LTD.
    • Edward Nelson Fuller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Microvalve having improved air purging capability
    • Patent number 9,328,850
    • Issue date May 3, 2016
    • Zhejiang DunAn Hetian Metal Co., LTD.
    • Edward Nelson Fuller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Microvalve with integrated flow sensing capability
    • Patent number 9,235,219
    • Issue date Jan 12, 2016
    • Zhejiang Dunan Hetian Metal Co., Ltd.
    • Parthiban Arunasalam
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Control element and check valve assembly
    • Patent number 9,188,375
    • Issue date Nov 17, 2015
    • Zhejiang Dunan Hetian Metal Co., Ltd.
    • Gengxun Kara Gurley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Superheat sensor
    • Patent number 9,140,613
    • Issue date Sep 22, 2015
    • Zhejiang Dunan Hetian Metal Co., Ltd.
    • Parthiban Arunasalam
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Cut-off valve
    • Patent number D548818
    • Issue date Aug 14, 2007
    • Zhejiang Dunan Precision Industries Group Co., Ltd
    • Zhongbo Feng
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Cut-off valve
    • Patent number D542888
    • Issue date May 15, 2007
    • Zhejiang Dunan Precision Industries Group Co., Ltd.
    • Zichun Ye
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

  • Information Patent Application

    Superheat Sensor Having External Temperature Sensor
    • Publication number 20160003691
    • Publication date Jan 7, 2016
    • ZHEJIANG DUNAN HETIAN METAL CO., LTD.
    • Parthiban Arunasalam
    • G01 - MEASURING TESTING
  • Information Patent Application

    On-Demand Micro Expansion Valve for a Refrigeration System
    • Publication number 20150354875
    • Publication date Dec 10, 2015
    • ZHEJIANG DUNAN HETIAN METAL CO., LTD.
    • Edward Nelson FULLER
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    CONTROL ELEMENT AND CHECK VALVE ASSEMBLY
    • Publication number 20150153081
    • Publication date Jun 4, 2015
    • ZHEJIANG DUNAN HETIAN METAL CO., LTD.
    • Gengxun Kara Gurley
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Superheat Sensor
    • Publication number 20150110148
    • Publication date Apr 23, 2015
    • ZHEJIANG DUNAN HETIAN METAL CO., LTD.
    • Parthiban Arunasalam
    • G01 - MEASURING TESTING
  • Information Patent Application

    Microvalve Having Improved Resistance to Contamination
    • Publication number 20140374633
    • Publication date Dec 25, 2014
    • ZHEJIANG DUNAN HETIAN METAL CO., LTD.
    • Edward Nelson Fuller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Microvalve with Integrated Flow Sensing Capability
    • Publication number 20140216572
    • Publication date Aug 7, 2014
    • ZHEJIANG DUNAN HETIAN METAL CO., LTD.
    • Parthiban Arunasalam
    • G01 - MEASURING TESTING
  • Information Patent Application

    WHEATSTONE BRIDGE CHECK VALVE ARRANGEMENT
    • Publication number 20140174575
    • Publication date Jun 26, 2014
    • ZHEJIANG DUNAN HETIAN METAL CO., LTD.
    • Edward Nelson Fuller
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC