1–4 of 4 hits
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    Control mechanism of small double-rotor unmanned aerial vehicle and mounting structure of control mechanism

    Free access
    YANG FUZENG / LI CHANGJUN / YANG XING et al. | European Patent Office | 2015

    Damping pressure lock

    Free access
    HU YAOHUA / ZHONG DINGJUN / HU XING et al. | European Patent Office | 2021

    Damping pressure lock universal wheel device

    Free access
    HU YAOHUA / WANG YIFAN / CHAN JIUYI et al. | European Patent Office | 2021

    Self-propelled multi-mechanical-arm potato picking machine based on machine vision

    Free access
    CHEN JUN / ZHOU JIANGUO / GAO ZENING et al. | European Patent Office | 2022