TREA

Sujung Im

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  • Anyang-si, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety device for escalator
    • Patent number 10,781,079
    • Issue date Sep 22, 2020
    • REPUBLIC OF KOREA (NATIONAL DISASTER MANAGEMENT RESEARCH INSTITUTE)
    • Dugkeun Park
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS FOR REDUCING FINE DUST USING LIGHTWEIGHT MIXED AIR
    • Publication number 20220143541
    • Publication date May 12, 2022
    • NATIONAL DISASTER MANAGEMENT RESEARCH INSTITUTE
    • Dugkeun Park
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SAFETY DEVICE FOR ESCALATOR
    • Publication number 20200079624
    • Publication date Mar 12, 2020
    • REPUBLIC OF KOREA( NATIONAL DISASTER MANAGEMENT RESEARCH INSTITUTE)
    • Dugkeun Park
    • B66 - HOISTING LIFTING HAULING