Patents by Inventor Hoi Kit Ng

Hoi Kit Ng 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: 20220240736
    Abstract: A cleaning head (100, 200) comprising: a suction interface; a suction network connected to the suction interface, the suction network comprising a waste collection port and a waste container (150, 250) interconnecting the suction interface and the waste collection port; a suction compartment in fluid communication with the waste collection port, the suction compartment comprising an elongate entry aperture; a roller cleaner (120, 220) mounted inside the suction compartment, the roller cleaner (120, 220) having an elongate outer surface portion protruding through the elongate entry aperture; a machine compartment (260) inside which a drive mechanism (266) and electronic circuitry (262) are mounted; a storage portion comprising a cleaning liquid container (140, 240) and the waste container (150, 250) mounted on a storage receptacle (118); a cleaning liquid applicator configured to draw cleaning liquid from the cleaning liquid container (140, 240) and to apply the cleaning liquid to the roller cleaner (120, 220)
    Type: Application
    Filed: July 24, 2020
    Publication date: August 4, 2022
    Applicant: TALENTONE DEVELOPMENT LTD.
    Inventors: Sai Yiu Fan, Hoi Kit Ng