Patents by Inventor Rongsheng KUAI

Rongsheng KUAI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Railway vehicle and derailment safety device thereof
    Patent number: 10471975
    Abstract: An anti-derailment safety device is in a shape of an inverted letter L and includes a transverse portion and a longitudinal portion perpendicular to the transverse portion at a side below the transverse portion; two sides of the transverse portion in a width direction of the transverse portion are each provided with an installation seat formed by a wing plate extending outwardly, and bolt holes are provided on the installation seat; and an inner side surface of the longitudinal portion is a stopping surface.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: November 12, 2019
    Assignee: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Zhenxian Zhang, Lijun Ma, Xiaolong Zou, Rongsheng Kuai, Zhibo Zhang
  • RAILWAY VEHICLE AND DERAILMENT SAFETY DEVICE THEREOF
    Publication number: 20170284032
    Abstract: An anti-derailment safety device is in a shape of an inverted letter L and includes a transverse portion and a longitudinal portion perpendicular to the transverse portion at a side below the transverse portion; two sides of the transverse portion in a width direction of the transverse portion are each provided with an installation seat formed by a wing plate extending outwardly, and bolt holes are provided on the installation seat; and an inner side surface of the longitudinal portion is a stopping surface.
    Type: Application
    Filed: November 16, 2015
    Publication date: October 5, 2017
    Applicant: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Zhenxian ZHANG, Lijun MA, Xiaolong ZOU, Rongsheng KUAI, Zhibo ZHANG