TREA

Jianmei CHANG

Follow

Person

  • Shijiazhuang, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Soil property test device
    • Patent number 9,453,829
    • Issue date Sep 27, 2016
    • SHIJIAZHUANG TIEDAO UNIVERSITY
    • Huaiping Feng
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    SYSTEM AND METHOD FOR CONTINUOUSLY AND INTELLIGENTLY MEASURING WATE...
    • Publication number 20220341862
    • Publication date Oct 27, 2022
    • SHIJIAZHUANG TIEDAO UNIVERSITY
    • Huaiping FENG
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    TEST DEVICE
    • Publication number 20150377853
    • Publication date Dec 31, 2015
    • SHIJIAZHUANG TIEDAO UNIVERSITY
    • Huaiping FENG
    • G01 - MEASURING TESTING