Patents by Inventor Wenliang Feng

Wenliang Feng 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: 20240400278
    Abstract: A bottle cap and a packaging bottle are disclosed. The bottle cap includes a cap (1) with a layered structure. The cap (1) includes a first layer (2), a second layer (3) and a third layer (4). The first layer (2) is an outer layer, the third layer (4) is an inner layer, the second layer (3) is an intermediate layer located between the first layer (2) and the third layer (4), and the second layer (3) includes at least one low oxygen-permeable barrier layer.
    Type: Application
    Filed: March 4, 2022
    Publication date: December 5, 2024
    Inventors: Wenliang Feng, Yingliang Hou, Kaijun Li, Jinzhao Duan