TREA

Jun HUANG

Follow

Person

  • Qingdao, Shandong, CN
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SEALING DEVICE AND UNDERWATER MACHINERY EQUIPMENT
    • Publication number 20230146471
    • Publication date May 11, 2023
    • QINGDAO QIYUAN CXINKEJI CO., LTD
    • Wei LING
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WATERTIGHT JOINT AND PLUG-IN DEVICE
    • Publication number 20230050137
    • Publication date Feb 16, 2023
    • QINGDAO QIYUAN CXINKEJI CO., LTD
    • Wei LING
    • H01 - BASIC ELECTRIC ELEMENTS