Patents by Inventor Mingxi CAI

Mingxi CAI 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).

  • Anti-leakage paper containers
    Patent number: 12552576
    Abstract: Embodiments of the present disclosure provide an anti-leakage paper container, comprising a container wall and a container bottom. A lower end of the container wall is connected with the container bottom. The container wall is composed of a connecting cardboard. The connecting cardboard includes a first side and a second side. The first side and the second side lap each other to form a cylinder, and the first side is located on an inner side of the cylinder. An inner surface and an outer surface of the container wall and an inner surface and an outer surface of the container bottom are equipped with a lamination layer, respectively. The first side is provided with a film wrapping edge, and the first side is wrapped within the film wrapping edge.
    Type: Grant
    Filed: November 13, 2023
    Date of Patent: February 17, 2026
    Assignee: ZHEJIANG SOWINPAK CO., LTD.
    Inventor: Mingxi Cai
  • ANTI-LEAKAGE PAPER CONTAINERS
    Publication number: 20250153886
    Abstract: Embodiments of the present disclosure provide an anti-leakage paper container, comprising a container wall and a container bottom. A lower end of the container wall is connected with the container bottom. The container wall is composed of a connecting cardboard. The connecting cardboard includes a first side and a second side. The first side and the second side lap each other to form a cylinder, and the first side is located on an inner side of the cylinder. An inner surface and an outer surface of the container wall and an inner surface and an outer surface of the container bottom are equipped with a lamination layer, respectively. The first side is provided with a film wrapping edge, and the first side is wrapped within the film wrapping edge.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 15, 2025
    Applicant: ZHEJIANG SOWINPAK CO., LTD.
    Inventor: Mingxi CAI