Patents by Inventor Ruolin Zhou

Ruolin Zhou 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: 12011100
    Abstract: An Outdoor chair comprising a chair body, said chair body having front support leg on both sides, said front support leg having rear support leg extended laterally on the sides of said front support leg, said front support leg being connected to said rear support leg by means of a pivot axis, said front support leg being rotate and fold around the pivot axis, a recess and an arcuate mounting path being provided at the connection between said front support leg and said rear support leg, and said front support leg being provided with a large spacer corresponding to said recess, a small spacer sliding on said arcuate mounting path, the spacer being able to share the pressure borne by the bolt and reduce the friction between the bolt and the threaded hole.
    Type: Grant
    Filed: August 24, 2023
    Date of Patent: June 18, 2024
    Inventor: Ruolin Zhou
  • Patent number: D1102208
    Type: Grant
    Filed: September 3, 2023
    Date of Patent: November 18, 2025
    Inventor: Ruolin Zhou