TREA

Byeong-Rok Na

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  • Incheon, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fastening device
    • Patent number 10,138,918
    • Issue date Nov 27, 2018
    • Jangpyoung Construction Co., Ltd.
    • Young-Su Yun
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-stage extending ground anchor assembly
    • Patent number 9,617,701
    • Issue date Apr 11, 2017
    • Jangpyoung Construction Co., Ltd.
    • Young-Su Yun
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Reinforcing bar connector
    • Patent number 9,404,258
    • Issue date Aug 2, 2016
    • Jangpyoung Construction Co., Ltd.
    • Young-Su Yun
    • E04 - BUILDING

Patents Applicationslast 30 patents

  • Information Patent Application

    REINFORCING BAR CONNECTOR
    • Publication number 20160130814
    • Publication date May 12, 2016
    • Young-Su Yun
    • E04 - BUILDING
  • Information Patent Application

    FASTENING DEVICE
    • Publication number 20160040704
    • Publication date Feb 11, 2016
    • Young-Su Yun
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-STAGE EXTENDING GROUND ANCHOR ASSEMBLY
    • Publication number 20150308065
    • Publication date Oct 29, 2015
    • Young-Su Yun
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDROGEN TRANSFER TUBE
    • Publication number 20150083264
    • Publication date Mar 26, 2015
    • Hanil Tube Corporation, 689-3, Kyoung Seo-Dong Seo-Gu, 404-722 Incheon, Korea
    • Seong-Hwa Choo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...