1–6 of 6 hits
|

    assembly type rerailing device for buried track

    Free access
    KIM HYEONG JIN / HWANG HYEON CHYEOL / KWAK JAE HO | European Patent Office | 2021

    Device for retracking railway wheel for grooved rail

    Free access
    KIM HYEONG JIN / KWAK JAE HO / HWANG HYEON CHYEOL | European Patent Office | 2021

    Method and system for detecting wheel using train set information

    Free access
    PARK SUNG WON / HWANG HYEON CHYEOL / OH YONG KUK et al. | European Patent Office | 2020

    quick charging interface system

    Free access
    OH YONG KUK / HWANG HYEON CHYEOL / KWAK JAE HO et al. | European Patent Office | 2020

    a safety interface apparatus for mass quick charging system

    Free access
    PARK SUNG WON / KWAK JAE HO / HWANG HYEON CHYEOL et al. | European Patent Office | 2020

    Derailment recovery apparatus for embeded rail track

    Free access
    CHOI KYOUNG JOON / HWANG HYEON CHYEOL / KWAK JAE HO et al. | European Patent Office | 2021