Patents by Inventor Cunzhu Pei

Cunzhu Pei 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).

  • Floor cleaning machine
    Patent number: D940972
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: January 11, 2022
    Inventor: Cunzhu Pei
  • Cleaning plate for an electric mop
    Patent number: D948152
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: April 5, 2022
    Inventor: Cunzhu Pei
  • Electric mop
    Patent number: D950178
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: April 26, 2022
    Assignee: ANHUI DAHAN ROBOTICS GROUP CO., LTD.
    Inventors: Cunzhu Pei, Ji-An Ying