Patents by Inventor Allan Wai Lun Kwan

Allan Wai Lun Kwan 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).

  • Kitchen appliance
    Publication number: 20070133347
    Abstract: A kitchen appliance 12, especially a blender, has a base unit 12 having an electric motor 20 for driving the appliance. The motor 20 has a high suction/high volume fan 50 attached to a lower end of the motor shaft 36 and a wind guide 52 disposed between the fan 50 and the stator core 46 so that the fan 50 draws air predominantly through the stator to cool the motor to avoid thermal overload.
    Type: Application
    Filed: December 7, 2006
    Publication date: June 14, 2007
    Inventors: Kam Shing Mok, Guo Ji Zhang, Allan Wai Lun Kwan
  • Electric motor
    Patent number: D511138
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: November 1, 2005
    Assignee: Johnson Electric S.A.
    Inventor: Allan Wai Lun Kwan
  • Shredder ring in a food waste disposal unit
    Patent number: D560962
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: February 5, 2008
    Assignee: Johnson Electric S.A.
    Inventors: Ji Cheng Pan, Bao Ting Liu, Allan Wai Lun Kwan