Patents by Inventor Yongzhi YUAN

Yongzhi YUAN 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: 20240057752
    Abstract: Toothpaste and liquid enter a foam pump from a liquid inlet of the foam pump, and then a piston is driven by a telescopic motor to fully mix the toothpaste and the liquid in the foam pump. A bottom of the foam pump is connected to a top of the telescopic motor, a bottom of a connecting shaft is connected to a top of the foam pump, and a driving motor is sleeved on the connecting shaft via a first through hole. The mixed liquid may be used after flowing to a toothbrush head from a second through hole of the connecting shaft.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Applicant: KERUI TECHNOLOGY (DONGGUAN) CO. , LTD.
    Inventors: Yitong QI, Yongzhi YUAN, Da TANG