Patents by Inventor Quncou Ding

Quncou Ding 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: 20200339377
    Abstract: The invention discloses a force adjustable universal displacement tensioner, including a suction cup assembly 1 and a housing 2; outer gear spring cover 3, coil spring covers and a rope puller 4 are arranged in the housing 2 coaxially through a coil spring shaft; coil springs are disposed in both the outer gear spring cover 3 and the coil spring cover; a pulling rope is disposed on the rope puller 4; one end of the pulling rope which extends out of the housing 2 is connected to a handle 5.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Inventor: Quncou Ding
  • Patent number: D1019829
    Type: Grant
    Filed: September 4, 2023
    Date of Patent: March 26, 2024
    Inventor: Quncou Ding