Patents by Inventor Weixue GUO

Weixue GUO 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).

  • Patent number: 11944066
    Abstract: Provided is a pet cat excrement screening device. The pet cat excrement screening device includes a support base; a drum rotatably mounted on the support base; and a drum driving device mounted on the support base. The drum is configured to rotate between a first position and a second position under drive of the drum driving device, where the rotation angle of the drum is less than 360 degrees. A side wall of the drum body of the drum is provided with a pet inlet. The pet inlet is exposed out of the support base during a rolling process of the drum. A screening mechanism is mounted in the drum. The rear end of the drum is provided with a waste discharge port.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: April 2, 2024
    Assignee: PETKIT NETWORK TECHNOLOGY(SHANGHAI) CO., LTD.
    Inventors: Yunxin Ma, Xiaoqing Ma, Xin Shi, Weike Guo, Weixue Guo, Junchao Zhang
  • Publication number: 20230247967
    Abstract: Provided is a pet cat excrement screening device. The pet cat excrement screening device includes a support base; a drum rotatably mounted on the support base; and a drum driving device mounted on the support base. The drum is configured to rotate between a first position and a second position under drive of the drum driving device, where the rotation angle of the drum is less than 360 degrees. A side wall of the drum body of the drum is provided with a pet inlet. The pet inlet is exposed out of the support base during a rolling process of the drum. A screening mechanism is mounted in the drum. The rear end of the drum is provided with a waste discharge port.
    Type: Application
    Filed: May 20, 2021
    Publication date: August 10, 2023
    Inventors: Yunxin MA, Xiaoqing MA, Xin SHI, Weike GUO, Weixue GUO, Junchao ZHANG