Patents by Inventor Sai-yiu Fan

Sai-yiu Fan 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
  • Patent number: 9681788
    Abstract: A vacuum cleaner (100) comprises a suction head (120), a suction source operable to generate suction at the suction head (120) for collecting dust or debris from a surface, a liquid filter assembly (190), and a handle portion (140) adapted to enable a user to move the suction head (120) on the surface during normal vacuuming operation. The liquid filter assembly (190) comprises an air inlet (1906) for receiving dusted air coming in from the suction head (120), a filter reservoir (1902) for receiving a cleansing liquid such as an aqueous cleansing liquid to form a cleansing bath for filtering dusted air coming in from the suction head (120), and an air outlet (1908) through which air moving out of the filter reservoir (1902). The liquid filter assembly (190) is mounted on a filter receptacle (186) formed on a rigid housing portion which is intermediate between the handle portion (140) and the section head (120).
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: June 20, 2017
    Assignee: Talentone Hong Kong Ltd.
    Inventor: Sai Yiu Fan
  • Publication number: 20150250370
    Abstract: A vacuum cleaner (100) comprises a suction head (120), a suction source operable to generate suction at the suction head (120) for collecting dust or debris from a surface, a liquid filter assembly (190), and a handle portion (140) adapted to enable a user to move the suction head (120) on the surface during normal vacuuming operation. The liquid filter assembly (190) comprises an air inlet (1906) for receiving dusted air coming in from the suction head (120), a filter reservoir (1902) for receiving a cleansing liquid such as an aqueous cleansing liquid to form a cleansing bath for filtering dusted air coming in from the suction head (120), and an air outlet (1908) through which air moving out of the filter reservoir (1902). The liquid filter assembly (190) is mounted on a filter receptacle (186) formed on a rigid housing portion which is intermediate between the handle portion (140) and the section head (120).
    Type: Application
    Filed: August 2, 2013
    Publication date: September 10, 2015
    Inventor: Sai Yiu Fan
  • Patent number: D651373
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: December 27, 2011
    Assignee: Talentone Hong Kong Limited
    Inventor: Sai-yiu Fan