Patents by Inventor Yinjie Yao

Yinjie Yao 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).

  • Spray gun
    Patent number: D783776
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: April 11, 2017
    Assignee: YUYAO DONGHUA ELECTRICAL APPLIANCE PLASTICS FACTORY
    Inventor: Yinjie Yao
  • Multifunctional hand tool
    Patent number: D891898
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: August 4, 2020
    Inventor: Yinjie Yao
  • Marking wand
    Patent number: D967335
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: October 18, 2022
    Inventor: Yinjie Yao
  • Multifunctional hand tool
    Patent number: D1008593
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: December 19, 2023
    Inventor: Yinjie Yao
  • Support stand
    Patent number: D1055671
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: December 31, 2024
    Inventor: Yinjie Yao