Patents by Inventor Cuifeng Shen

Cuifeng Shen 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: 20230189764
    Abstract: Disclosed is a novel rivet-type hummingbird feeder base, which comprises a basin body and an upper cover, wherein the top of the upper cover is provided with a through hole for assembling a nectar bottle, and the upper cover is provided with a plurality of groups of florets and perches for attracting hummingbirds; a group of florets and perches are riveted and connected to the upper cover through a hollow rivet, the middle part of the hollow rivet forms a suction hole for the hummingbird's tongue to pass through, the basin body is connected with the upper cover by a buckle, and a sealing ring is arranged between the basin body and the upper cover; the hollow rivet is made of copper that has a high toughness, a high strength and conforms to environmental protection standards; the wall thickness of the nail rod is 0.
    Type: Application
    Filed: January 12, 2022
    Publication date: June 22, 2023
    Inventor: Cuifeng Shen
  • Patent number: D980548
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: March 7, 2023
    Inventor: Cuifeng Shen