Patents by Inventor Yufan Ding

Yufan 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).

  • Double-layer container
    Patent number: 11203481
    Abstract: A double-layer container comprises an inner container made of plastic and having a bottom, and a cylindrical outer layer made of paper. The outer layer is sleeved outside the inner container, a locking structure is provided between the outer layer and the inner container to snap the outer layer on an outer peripheral surface of the inner container, and the outer layer is provided with a tear tab capable of tearing and destroying the outer layer. The double-layer container reinforces the strength of the inner container and the outer layer in a radial direction through an annular groove and an annular protrusion respectively, so that the overall strength is high, and quick recycle is realized through the tear tab provided on the outer layer.
    Type: Grant
    Filed: January 11, 2020
    Date of Patent: December 21, 2021
    Assignees: Kraftpack (Hubei) Industrial Co., Ltd.
    Inventors: Jiaoping Ding, Yufan Ding
  • Double-Layer Container
    Publication number: 20200231363
    Abstract: A double-layer container comprises an inner container made of plastic and having a bottom, and a cylindrical outer layer made of paper. The outer layer is sleeved outside the inner container, a locking structure is provided between the outer layer and the inner container to snap the outer layer on an outer peripheral surface of the inner container, and the outer layer is provided with a tear tab capable of tearing and destroying the outer layer. The double-layer container reinforces the strength of the inner container and the outer layer in a radial direction through an annular groove and an annular protrusion respectively, so that the overall strength is high, and quick recycle is realized through the tear tab provided on the outer layer.
    Type: Application
    Filed: January 11, 2020
    Publication date: July 23, 2020
    Applicants: Kraftpack (Hubei) Industrial Co., Ltd.
    Inventors: Jiaoping Ding, Yufan Ding