TREA

Ha Yeong SEONG

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  • Incheon, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valve
    • Patent number D1006191
    • Issue date Nov 28, 2023
    • ESSEN TECH CO., LTD.
    • Sung Bum Kim
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sight glass
    • Patent number D1006088
    • Issue date Nov 28, 2023
    • ESSEN TECH CO., LTD.
    • Sung Bum Kim
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sight glass
    • Patent number D1006089
    • Issue date Nov 28, 2023
    • ESSEN TECH CO., LTD.
    • Sung Bum Kim
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Ball valve
    • Patent number D1005451
    • Issue date Nov 21, 2023
    • ESSEN TECH CO., LTD.
    • Sung Bum Kim
    • 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

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...