Patents by Inventor Kaifang ZHONG

Kaifang ZHONG 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).

  • Publication number: 20230240490
    Abstract: A cleaning tool, including a suction pipe, a brush head outer casing, a motor casing, and a brush head. The cleaning tool further includes: a brush head inner casing, which is relatively rotatably provided in the brush head outer casing and forms an accommodation cavity of the brush head; and a bottom plate, which is integrally formed with the brush head inner casing and forms a cleaning contact surface of the cleaning tool. The bottom plate includes a front raised portion and a rear raised portion.
    Type: Application
    Filed: September 3, 2021
    Publication date: August 3, 2023
    Inventors: Kaifang ZHONG, Qing SUN, Liang QIAO