Patents by Inventor Kin Wong YAU

Kin Wong YAU 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: 12290223
    Abstract: A floor cleaning apparatus. The apparatus has a cleaning head portion for engaging a floor surface during cleaning, an upstanding portion for maneuvering movement of the cleaning head portion, a liquid delivery assembly, a handle portion extending from the upstanding portion and a sealed liquid storage container. The assembly includes a single needle defining a first passageway for allowing cleaning detergent from the sealed storage container to travel to the cleaning head portion therethrough and a second passageway for allowing as or air to travel from the surrounding to the sealed storage container for pressure equalization, and wherein the needle has a non-cylindrical configuration and a flattened configuration.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: May 6, 2025
    Assignee: Tung Hing Plastic Manufactory Limited
    Inventors: Sven Eschrich, Kin Wong Yau, Heung Kin Chan
  • Publication number: 20250082093
    Abstract: A noise-reduced and quietly operable electrically driven toothbrush with a technically simple basic structure includes a handle portion at a first end of the toothbrush and a head portion at a second end of the toothbrush. The head portion is detachably connectable to the handle portion. A rotatable drive shaft extends at least in the head portion and defines a first longitudinal axis. An electric drive unit directly or indirectly rotates the drive shaft. A bristle holder is pivotally mounted to the head portion and is drivingly engaged by an end of the drive shaft.
    Type: Application
    Filed: August 27, 2024
    Publication date: March 13, 2025
    Inventor: KIN WONG YAU
  • Publication number: 20240407624
    Abstract: There is disclosed a floor cleaning apparatus. The apparatus has a cleaning head portion for engaging a floor surface during cleaning, an upstanding portion for maneuvering movement of the cleaning head portion, a liquid delivery assembly, a handle portion extending from the upstanding portion and a sealed liquid storage container. The assembly includes a single needle defining a first passageway for allowing cleaning detergent from the sealed storage container to travel to the cleaning head portion therethrough and a second passageway for allowing as or air to travel from the surrounding to the sealed storage container for pressure equalization, and wherein the needle has a non-cylindrical configuration and a flattened configuration.
    Type: Application
    Filed: June 12, 2023
    Publication date: December 12, 2024
    Applicant: Hayco Manufacturing Limited
    Inventors: Sven Eschrich, Kin Wong Yau, Heung Kin Chan
  • Publication number: 20230389770
    Abstract: There is disclosed a floor cleaning apparatus. The apparatus has a cleaning head portion for engaging a floor surface during cleaning, an upstanding portion for maneuvering movement of the cleaning head portion, a liquid delivery assembly, a handle portion extending from the upstanding portion and a sealed liquid storage container. The assembly includes a single needle defining a first passageway for allowing cleaning detergent from the sealed storage container to travel to the cleaning head portion therethrough and a second passageway for allowing as or air to travel from the surrounding to the sealed storage container for pressure equalization, and wherein the needle has a non-cylindrical configuration and a flattened configuration.
    Type: Application
    Filed: August 20, 2023
    Publication date: December 7, 2023
    Applicant: Hayco Manufacturing Limited
    Inventors: Sven Eschrich, Kin Wong Yau, Heung Kin Chan
  • Patent number: 11805957
    Abstract: There is disclosed a floor cleaning apparatus. The apparatus has a cleaning head portion for engaging a floor surface during cleaning, an upstanding portion for maneuvering movement of said cleaning head portion, a liquid delivery assembly, a handle portion extending from said upstanding portion and a sealed liquid storage container. The cleaning head portion includes a first nozzle and a second nozzle arranged on lateral opposite ends for forward discharging of cleaning detergent therefrom. The liquid delivery assembly is configured to prevent, or at least minimize, undesirable leaking from the nozzles regardless of the orientation of the apparatus or the assembly.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: November 7, 2023
    Assignee: Hayco Manufacturing Limited
    Inventors: Simeon Jupp, Kin Wong Yau, Hoss Vong
  • Publication number: 20220039628
    Abstract: The present invention is concerned with a floor cleaning apparatus. The apparatus has a cleaning head portion for engaging a floor surface during cleaning, an upstanding portion for maneuvering movement of said cleaning head portion, a liquid delivery assembly, a handle portion extending from said upstanding portion and a sealed liquid storage container. The cleaning head portion includes a first nozzle and a second nozzle arranged on lateral opposite ends for forward discharging of cleaning detergent therefrom. The liquid delivery assembly is configured to prevent, or at least minimize, undesirable leaking from the nozzles regardless of the orientation of the apparatus or the assembly.
    Type: Application
    Filed: June 14, 2021
    Publication date: February 10, 2022
    Applicant: Hayco Manufacturing Limited
    Inventors: Simeon JUPP, Kin Wong YAU, Hoss VONG
  • Patent number: 9706832
    Abstract: An applicator head for selectively dispensing product includes a base structure and a support structure. The base structure includes a top face inclined relative to a bottom face, and a first side wall. The top face includes a base flange, and defines a first orifice in fluid communication with a fastener of the bottom face. The support structure includes a lower face inclined relative to an upper face, and a second side wall. The upper face includes a top surface and defines a second orifice. The lower face includes a support flange engaged with the base flange such that the support structure is pivotable relative to the base structure between first and second positions. Fluid communication is facilitated from the fastener through the second orifice in only one of the first and second positions. A dispenser is also provided.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: July 18, 2017
    Assignee: The Procter & Gamble Company
    Inventors: Amy Marie Price, Gregory Clegg Spooner, Kin Wong Yau, Ming Fung Chen, William Fraser Gwynfor Jones, David Bernard Domingo Deacon, Chun Yu Wong, Wai Keung Tsui
  • Publication number: 20140064821
    Abstract: An applicator head for selectively dispensing product includes a base structure and a support structure. The base structure includes a top face inclined relative to a bottom face, and a first side wall. The top face includes a base flange, and defines a first orifice in fluid communication with a fastener of the bottom face. The support structure includes a lower face inclined relative to an upper face, and a second side wall. The upper face includes a top surface and defines a second orifice. The lower face includes a support flange engaged with the base flange such that the support structure is pivotable relative to the base structure between first and second positions. Fluid communication is facilitated from the fastener through the second orifice in only one of the first and second positions. A dispenser is also provided.
    Type: Application
    Filed: August 28, 2013
    Publication date: March 6, 2014
    Applicant: The Procter & Gamble Company
    Inventors: Amy Marie PRICE, Gregory Clegg SPOONER, Kin Wong YAU, Ming Fung CHEN, William Fraser Gwynfor JONES, David Bernard Domingo DEACON, Chun Yu WONG, Wai Keung TSUI