Patents by Inventor Longjian Cheng

Longjian Cheng 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).

  • Automobile hub protective shell
    Patent number: D1020591
    Type: Grant
    Filed: December 28, 2023
    Date of Patent: April 2, 2024
    Assignee: Danyang xurui vehicles parts co., ltd
    Inventor: Longjian Cheng
  • Automobile hub protective shell
    Patent number: D1028831
    Type: Grant
    Filed: January 14, 2024
    Date of Patent: May 28, 2024
    Assignee: Danyang Xurui Vehicles Parts Co., Ltd
    Inventor: Longjian Cheng
  • Automobile hub protective shell
    Patent number: D1041380
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: September 10, 2024
    Assignee: Danyang xurui vehicles parts co., ltd
    Inventor: Longjian Cheng
  • Automobile hub protective shell
    Patent number: D1046748
    Type: Grant
    Filed: June 4, 2024
    Date of Patent: October 15, 2024
    Assignee: Danyang xurui vehicles parts co., ltd
    Inventor: Longjian Cheng