Patents by Inventor Fangqi GONG

Fangqi GONG 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).

  • Rolling bearing
    Patent number: 10995798
    Abstract: A rolling bearing of the present invention includes an inner ring, an outer ring and a rolling element which are all made of a steel material, and (A) a surface of the rolling element is formed with an Ag coating film, and a raceway of at least one of the inner ring and the outer ring is formed with a Cr coating film or (B) a surface of the rolling element is formed with a Cr coating film, and a raceway of at least one of the inner ring and the outer ring is formed with a Cr coating film.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: May 4, 2021
    Assignee: NSK LTD.
    Inventors: Tsutomu Sato, Fangqi Gong
  • ROLLING BEARING
    Publication number: 20200032847
    Abstract: A rolling bearing of the present invention includes an inner ring, an outer ring and a rolling element which are all made of a steel material, and (A) a surface of the rolling element is formed with an Ag coating film, and a raceway of at least one of the inner ring and the outer ring is formed with a Cr coating film or (B) a surface of the rolling element is formed with a Cr coating film, and a raceway of at least one of the inner ring and the outer ring is formed with a Cr coating film.
    Type: Application
    Filed: January 29, 2018
    Publication date: January 30, 2020
    Applicant: NSK LTD.
    Inventors: Tsutomu SATO, Fangqi GONG