Patents by Inventor Fenglan Zeng

Fenglan Zeng 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).

  • Solar lamp
    Patent number: D971470
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: November 29, 2022
    Assignee: ANWINER TECHNOLOGY INTERNATIONAL INC
    Inventor: Fenglan Zeng
  • Extractor
    Patent number: D988830
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: June 13, 2023
    Assignee: ANWINER TECHNOLOGY INTERNATIONAL INC
    Inventor: Fenglan Zeng
  • Drill head
    Patent number: D989136
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: June 13, 2023
    Assignee: ANWINER TECHNOLOGY INTERNATIONAL INC
    Inventor: Fenglan Zeng
  • Cleaning device
    Patent number: D990084
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: June 20, 2023
    Assignee: ANWINER TECHNOLOGY INTERNATIONAL INC
    Inventor: Fenglan Zeng
  • Cleaning device
    Patent number: D1020155
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: March 26, 2024
    Assignee: ANWINER TECHNOLOGY INTERNATIONAL INC
    Inventor: Fenglan Zeng