Patents by Inventor Ching-Yun KUNG

Ching-Yun KUNG 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 surface cleaning machine and cleaning method using the same
    Patent number: 11344171
    Abstract: A floor surface cleaning machine includes a suction mechanism disposed at a bottom side of a machine frame for suction of dust and dirt on the floor surface, a brush mechanism disposed at the bottom side of the machine frame rearwardly of the suction mechanism for brushing the floor surface with cleaning liquid, and a squeegee unit disposed at the bottom side of the machine frame rearwardly of the brush mechanism for gathering dirty liquid. Before brushing the floor surface, fibers may be removed from the floor surface together with the dust and dirt for preventing the fibers from being tangled up with bristles of the brush mechanism.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: May 31, 2022
    Assignee: UNI-RING TECH. CO., LTD.
    Inventors: Ching-Yun Kung, Hsuan-Fan Wang, Mao-Yi Lee
  • FLOOR SURFACE CLEANING MACHINE AND CLEANING METHOD USING THE SAME
    Publication number: 20190216284
    Abstract: A floor surface cleaning machine includes a suction mechanism disposed at a bottom side of a machine frame for suction of dust and dirt on the floor surface, a brush mechanism disposed at the bottom side of the machine frame rearwardly of the suction mechanism for brushing the floor surface with cleaning liquid, and a squeegee unit disposed at the bottom side of the machine frame rearwardly of the brush mechanism for gathering dirty liquid. Before brushing the floor surface, fibers may be removed from the floor surface together with the dust and dirt for preventing the fibers from being tangled up with bristles of the brush mechanism.
    Type: Application
    Filed: January 11, 2019
    Publication date: July 18, 2019
    Inventors: Ching-Yun KUNG, Hsuan-Fan WANG, Mao-Yi LEE