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Ji Ho Kwak

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  • Suwon-si, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe connector
    • Patent number D1006200
    • Issue date Nov 28, 2023
    • ESSEN TECH CO., LTD.
    • Ji Ho Kwak
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pipe connector
    • Patent number D1005456
    • Issue date Nov 21, 2023
    • ESSEN TECH CO., LTD.
    • Ji Ho Kwak
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Connecting device for piping
    • Patent number 11,619,333
    • Issue date Apr 4, 2023
    • ESSEN TECH CO., LTD.
    • Ji Ho Kwak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe connector
    • Patent number D943715
    • Issue date Feb 15, 2022
    • ESSEN TECH CO., LTD.
    • Ji Ho Kwak
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Connecting device for piping
    • Patent number 11,060,648
    • Issue date Jul 13, 2021
    • ESSEN TECH CO., LTD.
    • Ji Ho Kwak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe connector
    • Patent number D924376
    • Issue date Jul 6, 2021
    • ESSEN TECH CO., LTD.
    • Ji Ho Kwak
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pipe connector
    • Patent number D924377
    • Issue date Jul 6, 2021
    • ESSEN TECH CO., LTD.
    • Ji Ho Kwak
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Structure for connecting refrigerant pipe and air conditioner havin...
    • Patent number 8,925,176
    • Issue date Jan 6, 2015
    • Samsung Electronics Co., Ltd.
    • Sun Muk Choi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONNECTING DEVICE FOR PIPING
    • Publication number 20220042636
    • Publication date Feb 10, 2022
    • ESSEN TECH CO., LTD.
    • Ji Ho KWAK
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CONNECTING DEVICE FOR PIPING
    • Publication number 20210033233
    • Publication date Feb 4, 2021
    • ESSEN TECH CO., LTD.
    • Ji Ho KWAK
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    STRUCTURE FOR CONNECTING REFRIGERANT PIPE AND AIR CONDITIONER HAVIN...
    • Publication number 20120211209
    • Publication date Aug 23, 2012
    • Samsung Electronics Co., Ltd.
    • Sun Muk CHOI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Pipe connection unit and air conditioner having the same
    • Publication number 20110214445
    • Publication date Sep 8, 2011
    • Samsung Electronics Co., Ltd.
    • Jae Oh Han
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...