1–6 of 6 hits
|

    Working machine frame structure and working machine

    Free access
    HUANG TAO / CHENG QIGUANG / KANG ZHENGMING | European Patent Office | 2024

    Door body and production method thereof

    Free access
    HUANG TAO / ZHANG KETONG / CHENG QIGUANG | European Patent Office | 2021

    Expressway inter-cell traffic flow detection and management method

    Free access
    WU BIN / YU LEIYING / CHENG QIGUANG et al. | European Patent Office | 2022

    Expressway traffic flow detection device and shunting management method

    Free access
    CHENG QIGUANG / YU LEIYING / LUO GUANGLEI et al. | European Patent Office | 2022

    Lifting and fixing device for glass plank road and operation method

    Free access
    DI HAIBO / CHENG QIGUANG / YU DAIDAI et al. | European Patent Office | 2022

    Vehicle out-of-control state analysis method and device for long longitudinal slope section of expressway

    Free access
    CHENG QIGUANG / ZHANG YI / KANG ZEZHOU et al. | European Patent Office | 2024