Patents by Inventor Wen Tang Tsai

Wen Tang 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).

  • Tool for skateboards
    Patent number: 11654541
    Abstract: A tool is devised for skateboards. The tool includes a grip, an Allen key/screwdriver, a driver and three sockets. The grip includes a non-circular cavity in an end and a groove in a side. The first and second sockets are connected to the grip, opposite to each other. The Allen key/screwdriver is selectively inserted in the groove. The driver is selectively inserted in the cavity. The third socket is formed at an end of the driver. The third socket includes an axial bore, a radial bore, and a cutout opposite to the radial bore.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: May 23, 2023
    Inventor: Wen-Tang Tsai
  • Tool for skateboards
    Publication number: 20230048458
    Abstract: A tool is devised for skateboards. Thee tool includes a grip, an Allen key/screwdriver, a driver and three sockets. The grip includes a non-circular cavity in an end and a groove in a side. The first and second sockets are connected to the grip, opposite to each other. The Allen key/screwdriver is selectively inserted in the groove. The driver is selectively inserted in the cavity. The third socket is foamed at an end of the driver. The third socket includes an axial bore, a radial bore, and a cutout opposite to the radial bore.
    Type: Application
    Filed: August 10, 2021
    Publication date: February 16, 2023
    Inventor: Wen-Tang Tsai
  • Skateboard tool assembly
    Patent number: D725977
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: April 7, 2015
    Inventor: Wen Tang Tsai
  • Skateboard tool
    Patent number: D804274
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: December 5, 2017
    Inventor: Wen Tang Tsai
  • Spanner
    Patent number: D966842
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: October 18, 2022
    Inventor: Wen-Tang Tsai
  • Ratchet spanner
    Patent number: D966843
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: October 18, 2022
    Inventor: Wen-Tang Tsai
  • Ratchet spanner
    Patent number: D966846
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: October 18, 2022
    Inventor: Wen-Tang Tsai
  • Spanner
    Patent number: D966847
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: October 18, 2022
    Inventor: Wen-Tang Tsai
  • Tool for skateboards
    Patent number: D966848
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: October 18, 2022
    Inventor: Wen-Tang Tsai
  • Tapping bit
    Patent number: D969182
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: November 8, 2022
    Inventor: Wen-Tang Tsai
  • Tool bit
    Patent number: D969578
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: November 15, 2022
    Inventor: Wen-Tang Tsai