Patents by Inventor Wallace Lai

Wallace 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).

  • Deep fryer
    Patent number: 7015429
    Abstract: A deep fryer has an outer housing (4) closed by a lid (14) and an immersed type heating element (28) extending into an oil containing receptacle (22), the housing having an upper rim at which the lid (14) is supported, with the underside of the lid (14) having an upwardly domed shape and the rim formed with a channel (44) arranged beneath the periphery of the underside of lid (14) to receive droplets of moisture condensing on the underside of the lid during use, a sensor (31) being provided which includes a thermal use and temperature sensing element (56) disposed in a single tubular housing.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: March 21, 2006
    Assignee: Eastern Sources Housewares (Hong Kong) Limited
    Inventors: Joseph Wing Chung Lau, Wallace Lai
  • Deep fryer
    Publication number: 20050269309
    Abstract: A deep fryer has an outer housing (4) closed by a lid (14) and an immersed type heating element (28) extending into an oil containing receptacle (22), the housing having an upper rim at which the lid (14) is supported, with the underside of the lid (14) having an upwardly domed shape and the rim formed with a channel (44) arranged beneath the periphery of the underside of lid (14) to receive droplets of moisture condensing on the underside of the lid during use, a sensor (31) being provided which includes a thermal use and temperature sensing element (56) disposed in a single tubular housing.
    Type: Application
    Filed: August 15, 2005
    Publication date: December 8, 2005
    Inventors: Joseph Chung Lau, Wallace Lai
  • Deep fryer
    Publication number: 20050194372
    Abstract: A deep fryer has an outer housing (4) closed by a lid (14) and an immersed type heating element (28) extending into an oil containing receptacle (22), the housing having an upper rim at which the lid (14) is supported, with the underside of the lid (14) having an upwardly domed shape and the rim formed with a channel (44) arranged beneath the periphery of the underside of lid (14) to receive droplets of moisture condensing on the underside of the lid during use, a sensor (31) being provided which includes a thermal use and temperature sensing element (56) disposed in a single tubular housing.
    Type: Application
    Filed: March 8, 2004
    Publication date: September 8, 2005
    Inventors: Joseph Lau, Wallace Lai