Patents by Inventor Kai Heng Kwok

Kai Heng Kwok 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: 10640912
    Abstract: The present application relates to an accessory (1) for a steaming device (2) comprising a tray to receive a sole plate (6) of a steaming device during a cleaning cycle so that steam and/or scale is directed into said tray, the tray having an opening (14) so that when a sole plate of a steaming device is received on the tray, steam can egress out of the tray in a direction away from said steaming device through said opening.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: May 5, 2020
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Rico Paolo Ochoa Ramirez, Kai Heng Kwok, Mohankumar Valiyambath Krishnan
  • Patent number: 8464445
    Abstract: A steam ironing device includes a water supply device, a steam generator for generating steam, a heating element for heating the steam generator, at least one atomizating device, a valve provided in a flow path between the steam generator and the atomizing device, and an electric pump for delivering water from said water supply device to said steam generator. To obtain wet steam at the atomizing device, the ironing device includes a control device for controlling the power of the heating element of the steam generator, for controlling the flow rate of the pump, and for controlling the opening and closing of the valve, the valve being open if the ratio between the flow rate (g/min) of the pump and the power (W) of the heating element is in a range of 1:20 to 1:38.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: June 18, 2013
    Assignee: Koninklijke Philips Electronics, N.V.
    Inventors: Yong Jiang, Bas Jeroen Oosterman, Boon Khian Ching, Kai Heng Kwok, Mohankumar Valiyambath Krishnan
  • Patent number: 7223947
    Abstract: An electric heating structure of a domestic appliance includes at least one first electric heating track (23) having a positive temperature coefficient and at least one additional electric heating track (27, 28). A control structure (22, 25, 29) is provided for controlling electric power supply to said first and additional heating tracks (23, 27, 28) and is sensitive to the heating of said at least one first heating track (23) for switching on said at least one additional electric heating track (27, 28) in parallel and in addition to said at least one first heating track (23) when said at least one first heating track (23) has been heated to at least a predetermined extent.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: May 29, 2007
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Mohankumar Valiyambath Krishnan, Kai Heng Kwok, Gerard Cnossen