Patents by Inventor Wai Hing Lai

Wai Hing Lai 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: 20130174747
    Abstract: A cooking appliance (2,20) comprises a first container (8, 26), a base (6, 44), an axle (10, 42) extending generally vertically from a bottom of the first container (8, 26), and a second container (12, 32) including a vertically extending funnel (34) which is engageable with a male member (46) arranged at an upper end of the axle (10, 42). The cooking appliance (2, 20) can assume a configuration in which the second container (12, 32) is rotatably drivenable by the male member (46) in relation to the first container (8, 26), to remove liquid from food contained in the second container (12, 32).
    Type: Application
    Filed: September 27, 2010
    Publication date: July 11, 2013
    Inventors: Pui Chi Ching, Ding Zheng Zhou, Wing Chung Lau, Wai Hing Lai
  • Patent number: 6984153
    Abstract: An electrical accessory in the form of an electrical adapter (100) is disclosed as including releasably engageable first body part (102) and second body part (104), the first body part (102) being releasably engageable with a plug (14) of an electric cord (10), the second body part (104) being electrically connectable with an electricity mains supply, and the second body part (104) includes a body (115) engageable with the first body part (102) and a plate (122) with electrically conductive pins (124a, 124b, 124c) electrically connectable with the electricity mains supply, and the body (115) and the plate (122) with electrically conductive pins (124a, 124b, 124c) are swivellable relative to each other. The electrical accessory may also be a wall socket (200).
    Type: Grant
    Filed: February 4, 2004
    Date of Patent: January 10, 2006
    Assignee: Eastern Sources Housewares (Hong Kong) Limited
    Inventors: Wai Hing Lai, Wing Chung Joseph Lau
  • Patent number: 6742444
    Abstract: An electric cooking apparatus, e.g. a deep fryer, is disclosed as including a body, a tank for containing food to be cooked and a control module for controlling the operation of the deep fryer, in which the body, the tank and the control module are releasably engageable with one another, and the tank and control module each includes a respective engagement member which are complementary with and releasably engageable with each other, and the control module is locked against movement from the body when the body, the tank and the control module are engaged with one another. The tank has a bottom surface for supporting the food to be cooked, and when the apparatus is positioned on a horizontal surface, the bottom surface of the tank is inclined relative to the horizontal surface.
    Type: Grant
    Filed: August 20, 2003
    Date of Patent: June 1, 2004
    Assignee: Eastern Sources Housewares (Hong Kong) Limited
    Inventors: Wai Hing Lai, Leung Chi Ho