1–20 of 98 hits
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    Six-foot climbing car washing robot

    Free access
    ZENG QIANG | European Patent Office | 2023

    Pressure sensor for monitoring air pressure of brake cylinder of freight train

    Free access
    ZENG QIANG | European Patent Office | 2022

    Manned lifting type vertical shaft measuring device and operation method thereof

    Free access
    ZENG QIANG | European Patent Office | 2021

    Foldable link mechanism for stepladder door handrails

    Free access
    ZENG QIANG | European Patent Office | 2015

    Parking memory path learning method and device

    Free access
    LIU FEN / ZENG QIANG | European Patent Office | 2024

    Efficient and convenient transfer device for environment-friendly water permeable brick processing

    Free access
    ZENG QIANG / HUANG CHENHUA | European Patent Office | 2020