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JUNJIE DUAN

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  • Xuzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Side snowplow including land leveler
    • Patent number 10,072,387
    • Issue date Sep 11, 2018
    • XUZHOU XUGONG ROAD-CONSTRUCTION MACHINERY CO., LTD.
    • Zonghua Song
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY FRAME AND GRADER
    • Publication number 20230106191
    • Publication date Apr 6, 2023
    • JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD.
    • Penglong Hou
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    LAND LEVELLER
    • Publication number 20200378086
    • Publication date Dec 3, 2020
    • Le GAO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SIDE SNOWPLOW INCLUDING LAND LEVELER
    • Publication number 20170073917
    • Publication date Mar 16, 2017
    • ZONGHUA SONG
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES