Patents by Inventor Lijuan Lin

Lijuan Lin 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: 11825966
    Abstract: A cup lid that has a lid body and a push piece; a push piece moving groove is formed on the lid body, a drinking opening is formed in the push piece moving groove close to a cup edge; the push piece is slidable in the push piece moving groove in a reciprocating manner and is limited in the push piece moving groove by limiting mechanisms, and the push piece can seal the drinking opening with a sealing element; further, the cup lid contains lifting mechanisms between the lid body and the push piece. The distance between the push piece and the bottom side of the push piece moving groove is adjusted while sliding the push piece, so as to reduce the friction against the sealing element and ensure a clean and hygienic drinking.
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: November 28, 2023
    Inventor: Lijuan Lin
  • Publication number: 20230248165
    Abstract: A cup lid that has a lid body and a push piece; a push piece moving groove is formed on the lid body, a drinking opening is formed in the push piece moving groove close to a cup edge; the push piece is slidable in the push piece moving groove in a reciprocating manner and is limited in the push piece moving groove by limiting mechanisms, and the push piece can seal the drinking opening with a sealing element; further, the cup lid contains lifting mechanisms between the lid body and the push piece. The distance between the push piece and the bottom side of the push piece moving groove is adjusted while sliding the push piece, so as to reduce the friction against the sealing element and ensure a clean and hygienic drinking.
    Type: Application
    Filed: April 14, 2023
    Publication date: August 10, 2023
    Inventor: Lijuan LIN
  • Patent number: D868544
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: December 3, 2019
    Assignee: XIAMEN WORTHFIND INDUSTRIAL CO., LTD
    Inventors: Lijuan Lin, Chao Chen
  • Patent number: D868545
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: December 3, 2019
    Assignee: XIAMEN WORTHFIND INDUSTRIAL CO., LTD
    Inventors: Lijuan Lin, Chao Chen
  • Patent number: D873312
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: January 21, 2020
    Assignee: XIAMEN WORTHFIND INDUSTRIAL CO., LTD.
    Inventor: Lijuan Lin
  • Patent number: D960560
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: August 16, 2022
    Assignee: XIAMEN WORTHFIND E-COMMERCE CO., LTD.
    Inventor: Lijuan Lin
  • Patent number: D960561
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: August 16, 2022
    Assignee: XIAMEN WORTHFIND E-COMMERCE CO., LTD.
    Inventor: Lijuan Lin
  • Patent number: D1038237
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: August 6, 2024
    Assignee: XIAMEN WORTHFIND E-COMMERCE CO. LTD.
    Inventor: Lijuan Lin