Patents by Inventor Huihuo Wu

Huihuo Wu 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).

  • Patent number: 12110639
    Abstract: A rail temperature expansion joint and a laying and mounting method thereof relate to the technical field of track transit. The rail temperature expansion joint includes a sleeper, the upper surface of the sleeper is symmetrically mounted with two first rails and two second rails, and the first rail and the second rail on one side are arranged on the same straight line; a gap is arranged between end faces of the first rail and the second rail; the adjacent ends of the first rail and the second rail are fastened and positioned by a group of adjustment components, the adjustment components are fixedly mounted on the embedded part, and the embedded part is located at the outer side of the first rail and the second rail.
    Type: Grant
    Filed: May 14, 2024
    Date of Patent: October 8, 2024
    Assignee: China Railway First Group Co., LTD
    Inventors: Huihuo Wu, Zifei Guo, Fei Li, Hong Xu, Zhifeng Gao, Ziyong Yu, Fei Zhang, Tailong Yin