Patents by Inventor Yi-Ling Hou

Yi-Ling Hou 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: 11890794
    Abstract: A mold for manufacturing an artificial shuttlecock from a semi-finished shuttlecock includes a male mold and a female mold. The male mold includes a cone frustum and a plurality of first annular grooves. The semi-finished shuttlecock is placed on an outside of the cone frustum. The first annular grooves are disposed apart on the outside of the cone frustum. The female mold includes a tapered slot, a plurality of second annular grooves and an injection channel. The second annular grooves are disposed apart on an inner surface of the tapered slot. When the semi-finished shuttlecock and the male mold are placed into the female mold, each of the first annular grooves corresponds to each of the second annular grooves to form a plurality of molded grooves. The injection channel communicates with the second annular grooves, and the molded grooves communicate with the injection channel through the second annular grooves.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: February 6, 2024
    Assignee: Victor Rackets Industrial Corp.
    Inventors: Shu-Jung Chen, Chao-Ming Chen, Tzu-Wei Wang, Hsin-Chen Wang, Yi-Ling Hou
  • Publication number: 20230158722
    Abstract: A mold for manufacturing an artificial shuttlecock from a semi-finished shuttlecock includes a male mold and a female mold. The male mold includes a cone frustum and a plurality of first annular grooves. The semi-finished shuttlecock is placed on an outside of the cone frustum. The first annular grooves are disposed apart on the outside of the cone frustum. The female mold includes a tapered slot, a plurality of second annular grooves and an injection channel. The second annular grooves are disposed apart on an inner surface of the tapered slot. When the semi-finished shuttlecock and the male mold are placed into the female mold, each of the first annular grooves corresponds to each of the second annular grooves to form a plurality of molded grooves. The injection channel communicates with the second annular grooves, and the molded grooves communicate with the injection channel through the second annular grooves.
    Type: Application
    Filed: October 20, 2022
    Publication date: May 25, 2023
    Inventors: Shu-Jung Chen, Chao-Ming Chen, Tzu-Wei Wang, Hsin-Chen Wang, Yi-Ling Hou
  • Patent number: D676049
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: February 12, 2013
    Assignee: E Ink Holdings Inc.
    Inventors: Cheng-Hao Lee, Feng-Chuan Yeh, Yu-Ta Kang, Chin-Hao Meng, Yi-Ling Hou, Pei-Sheng Lee, Suei-Shih Syu
  • Patent number: D722052
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: February 3, 2015
    Assignee: E Ink Holdings Inc.
    Inventors: Feng-Chuan Yeh, Tsung-Hao Teng, Chiao-Hung Chien, Yi-Ling Hou