Patents by Inventor Zuoxiang LI

Zuoxiang 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: 11660907
    Abstract: According to a processing method of a stone composite board, the two sides of a natural stone board are ground and flattened until a preset standard value of thickness variation is reached, then the surface planes and base material layers are subjected to pressure-compositing through adhesive layers, afterwards splitting is conducted, and the natural stone layer is subjected to calibrated planing with diamond roller and surface treatment to obtain the ultra-thin stone composite board.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: May 30, 2023
    Assignee: GUIZHOU ESTONDARD CO., LTD
    Inventor: Zuoxiang Li
  • Publication number: 20210260915
    Abstract: According to a processing method of a stone composite board, the two sides of a natural stone board are ground and flattened until a preset standard value of thickness variation is reached, then the surface planes and base material layers are subjected to pressure-compositing through adhesive layers, afterwards splitting is conducted, and the natural stone layer is subjected to calibrated planing with diamond roller and surface treatment to obtain the ultra-thin stone composite board.
    Type: Application
    Filed: March 23, 2020
    Publication date: August 26, 2021
    Inventor: Zuoxiang LI