Patents by Inventor Chih-Hong Lu

Chih-Hong Lu 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).

  • Publication number: 20230061383
    Abstract: A fastener with increased grip strength is provided. Specifically, the fastener can include a head on a first end, a point on a second end opposite from the first end, and a shank in between the head and the point. A plurality of first deformations can be provided each including a first frustoconical portion and a first transition portion. One or more flutes can further be provided that extends from the point through the plurality of the first deformations forming one or more continuous helices. A plurality of second deformations can also be provided each including a second frustoconical portion and a second transition portion. The second deformations can be structurally similar to the first deformations, but having their orientations flipped 180 degrees. The fastener can also include one or more weld spaces for a collated configuration.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 2, 2023
    Inventors: Tse-Kuang Jou, Chih-Hong Lu
  • Patent number: D986045
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: May 16, 2023
    Assignee: PrimeSource Building Products, Inc.
    Inventors: Tse-Kuang Jou, Chih-Hong Lu
  • Patent number: D986728
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: May 23, 2023
    Assignee: PrimeSource Building Products, Inc.
    Inventors: Tse-Kuang Jou, Chih-Hong Lu