Patents by Inventor MENGYI WANG

MENGYI WANG 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: 11284695
    Abstract: A five-in-one polishing head includes a blade portion and a handle portion. The blade portion is shaped like a cone having a concave or planar top end. Angle teeth, thin teeth, medium-thin teeth, and thick teeth are sequentially distributed in a conical polishing head according to the tooth density. The angle teeth are located at the top of the conical polishing head in a circle. The thick teeth are located at the end of the blade portion. The center of the end of the blade portion is axially welded and fixed to one end of the handle portion. The conical polishing head is provided with regularly distributed straight lines or oblique lines on a surface from the angle teeth to the thick teeth. The shape of a right-handed groove on the surface is inverted trapezoidal, and the shape of a left-handed groove is triangular.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: March 29, 2022
    Assignee: SHANGHAI WELL-SUN PRECISION TOOLS CO., LTD.
    Inventors: Jishun Wang, Mengyi Wang, Jing Sun
  • Publication number: 20210368959
    Abstract: A five-in-one polishing head includes a blade portion and a handle portion. The blade portion is shaped like a cone having a concave or planar top end. Angle teeth, thin teeth, medium-thin teeth, and thick teeth are sequentially distributed in a conical polishing head according to the tooth density. The angle teeth are located at the top of the conical polishing head in a circle. The thick teeth are located at the end of the blade portion. The center of the end of the blade portion is axially welded and fixed to one end of the handle portion. The conical polishing head is provided with regularly distributed straight lines or oblique lines on a surface from the angle teeth to the thick teeth. The shape of a right-handed groove on the surface is inverted trapezoidal, and the shape of a left-handed groove is triangular.
    Type: Application
    Filed: February 22, 2019
    Publication date: December 2, 2021
    Applicant: SHANGHAI WELL-SUN PRECISION TOOLS CO., LTD.
    Inventors: JISHUN WANG, MENGYI WANG, JING SUN
  • Patent number: D1052183
    Type: Grant
    Filed: December 13, 2023
    Date of Patent: November 19, 2024
    Inventors: Mengyi Wang, Jishun Wang, Jing Sun, Ren Liu
  • Patent number: D1052184
    Type: Grant
    Filed: December 13, 2023
    Date of Patent: November 19, 2024
    Inventors: Mengyi Wang, Jishun Wang, Jing Sun, Ren Liu