Hyunseok YUN

Person

  • Pohang-si, KR

Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valve with dual sealing structure

    • Patent number 9,995,403
    • Issue date Jun 12, 2018
    • Joungdae Seo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    BALL VALVE WITH DUAL SEALING STRUCTURE

    • Publication number 20180045321
    • Publication date Feb 15, 2018
    • HS Valve Co., Ltd.
    • Joungdae SEO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...