Patents by Inventor Zihou ZHANG

Zihou ZHANG 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: 20220249215
    Abstract: A bearing for use with curing lights provides a secure mounting structure for curing light emitter heads while allowing rotation of the same about an axis defined by the curing light handpiece and its connection structure. The bearing allows for the curing light emitter head to rotate fully about the axis while allowing light to pass therethrough for the purpose of curing materials during a procedure.
    Type: Application
    Filed: February 9, 2022
    Publication date: August 11, 2022
    Applicant: CAO Group, Inc.
    Inventors: Zihou ZHANG, Zhaohui LIN