Patents by Inventor Hsin-Te Tsai

Hsin-Te Tsai 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).

  • Reinforced cap head screws
    Patent number: 11578749
    Abstract: A self-tapping screw for use in securing at least two materials together. The self-tapping screw may include a screw cap that receives a screw body to reinforce the strength of the screw head. The screw cap is composed of a zinc-aluminum alloy that may be die casted and provides additional strength and hardness to the attached screw body. The screw cap has a rolled flange that helps to securely retain the flat rim of the attached screw body.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: February 14, 2023
    Assignee: Clarcorp Industrial Sales, Inc.
    Inventors: Hsin-Te Tsai, Ya-Lun Tsai
  • Reinforced Cap Head Screws
    Publication number: 20210079945
    Abstract: A self-tapping screw for use in securing at least two materials together. The self-tapping screw may include a screw cap that receives a screw body to reinforce the strength of the screw head. The screw cap is composed of a zinc-aluminum alloy that may be die casted and provides additional strength and hardness to the attached screw body. The screw cap has a rolled flange that helps to securely retain the flat rim of the attached screw body.
    Type: Application
    Filed: September 17, 2020
    Publication date: March 18, 2021
    Inventors: Hsin-Te Tsai, Ya-Lun Tsai