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person:("JIA HAIFENG")

    Charging gun for electric interaction between electric vehicle and household load power and control method thereof

    Free access
    JIA HAIFENG / XU YANG / YU ZHENJUN et al. | European Patent Office | 2020

    Electric automobile alternating current charging gun capable of integrating control circuit inside

    Free access
    JIA HAIFENG / XU YANG / YU ZHENJUN et al. | European Patent Office | 2020

    American standard charging gun

    Free access
    XU YANG / BI JIANNING / ZHANG SHIMING et al. | European Patent Office | 2023

    European standard pile end charging gun with high protection grade and ultra-long service life

    Free access
    XU YANG / SONG FUYU / ZHANG SHIMING et al. | European Patent Office | 2023

    Integrated charging gun with IP67 protection level

    Free access
    JIA HAIFENG / XU YANG / BI JIANNING et al. | European Patent Office | 2021

    Integrated charging gun with IP68 protection level

    Free access
    JIA HAIFENG / XU YANG / BI JIANNING et al. | European Patent Office | 2021

    Screw-free charging gun with novel structure

    Free access
    JIA HAIFENG / XU YANG / YU ZHENJUN et al. | European Patent Office | 2020