Patents by Inventor Yuan-Shun Li

Yuan-Shun Li 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: 12017730
    Abstract: A bicycle cassette with increased tooth ratio includes a driver body connected to a bicycle rear hub, and multiple cogs which are sequentially mounted to the driver body with equal spacing. An additional cog is mounted to the driver body and located opposite to the rear hub. The additional cog has 8-10 teeth. The tooth ratio is increased by the additional cog and the chainring to break through the limitation of tooth ratio of existing bicycle cassettes, and to increase the number of the gears of the bicycle cassette.
    Type: Grant
    Filed: April 30, 2022
    Date of Patent: June 25, 2024
    Inventor: Yuan-Shun Li
  • Publication number: 20220258833
    Abstract: A bicycle cassette with increased tooth ratio includes a driver body connected to a bicycle rear hub, and multiple cogs which are sequentially mounted to the driver body with equal spacing. An additional cog is mounted to the driver body and located opposite to the rear hub. The additional cog has 8-10 teeth. The tooth ratio is increased by the additional cog and the chainring to break through the limitation of tooth ratio of existing bicycle cassettes, and to increase the number of the gears of the bicycle cassette.
    Type: Application
    Filed: April 30, 2022
    Publication date: August 18, 2022
    Inventor: Yuan-Shun Li
  • Publication number: 20210114688
    Abstract: A bicycle cassette with increased tooth ratio includes a driver body connected to a rear hub, and multiple cogs which are sequentially mounted to the driver body with equal spacing. An additional cog is mounted to the driver body and located opposite to the rear hub. The additional cog has 8-10 teeth. The tooth ratio is increased by the additional cog and the chainring to break through the limitation of tooth ratio of existing bicycle cassettes, and to increase the number of the gears of the bicycle cassette.
    Type: Application
    Filed: December 1, 2019
    Publication date: April 22, 2021
    Inventor: Yuan-Shun Li