Patents by Inventor Sun Hanbao

Sun Hanbao 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: 9470613
    Abstract: The present invention discloses an apparatus for detecting spring stiffness which comprises a universal material testing machine, a loading beam of the universal material testing machine, a fixing rod of bracket for Belleville spring deformation detection, a movable clamping rod of bracket for Belleville spring deformation detection, a dial gauge, etc.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: October 18, 2016
    Assignee: Citic Dicastal Co. Ltd
    Inventors: Lyu Jinqi, Sun Hanbao, Tang Debin, Liu Chunhai, Zhu Zhihua, Wang Yongning, Li Changhai
  • Publication number: 20150260623
    Abstract: The present invention discloses an apparatus for detecting spring stiffness which comprises a universal material testing machine, a loading beam of the universal material testing machine, a fixing rod of bracket for Belleville spring deformation detection, a movable clamping rod of bracket for Belleville spring deformation detection, a dial gauge, etc.
    Type: Application
    Filed: March 12, 2015
    Publication date: September 17, 2015
    Inventors: Lyu Jinqi, Sun Hanbao, Tang Debin, Liu Chunhai, Zhu Zhihua, Wang Yongning, Li Changhai