Patents by Inventor Tongzhang LIAO

Tongzhang LIAO 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: 11833549
    Abstract: The present application discloses a wiping device and a cleaning device. The wiping device includes: a rotating unit, a suction unit and a wiping head, where the suction unit, the rotating unit and the wiping head are sequentially arranged on a central axis, a wiping device hollow tube and a wiping head hollow tube are arranged on the central axis, the wiping device hollow pipe is arranged in the rotating unit, and the wiping head hollow pipe is arranged in the wiping head.
    Type: Grant
    Filed: July 21, 2023
    Date of Patent: December 5, 2023
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xinyong Tan, Guanghua Tao, Tongzhang Liao, Weihai Yang, Yin Bai
  • Publication number: 20230364653
    Abstract: The present application discloses a wiping device and a cleaning device. The wiping device includes: a rotating unit, a suction unit and a wiping head, where the suction unit, the rotating unit and the wiping head are sequentially arranged on a central axis, a wiping device hollow tube and a wiping head hollow tube are arranged on the central axis, the wiping device hollow pipe is arranged in the rotating unit, and the wiping head hollow pipe is arranged in the wiping head.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 16, 2023
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xinyong TAN, Guanghua TAO, Tongzhang LIAO, Weihai YANG, Yin BAI