Patents by Inventor Rhoda Chor Man Yue

Rhoda Chor Man Yue 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).

  • Electric appliance with a PTC heating member and a method of operating same
    Patent number: 6664516
    Abstract: There is disclosed an electric appliance (100, 200, 300, 400, 500, 600, 700, 800) with a positive temperature coefficient (PTC) heater (102, 202, 302, 506, 702) and a number of batteries (106, 206, 308, 406, 508, 606, 708, 806), in which the PTC heater (102, 202, 302, 506, 702) is adapted to be powered by the batteries (106, 206, 308, 406, 508, 606, 708, 806) and an outside electric power source, and the PTC heater (102, 202, 302, 506, 702) is adapted to be powered by the outside electric power source when the electric appliance (100, 200, 300, 400, 500, 600, 700, 800) is started, and to be subsequently powered by the batteries (106, 206, 308, 406, 508, 606, 708, 806).
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: December 16, 2003
    Assignee: Halo Company, Ltd.
    Inventors: Daniel Kee Hung Chang, Rhoda Chor Man Yue
  • Electric appliance with a PTC heating member and a method of operating same
    Publication number: 20030089700
    Abstract: An Electric Appliance including a PTC Heating Member and a Method of Operating Same There is disclosed an electric appliance (100, 200, 300, 400, 500, 600, 700, 800) with a positive temperature coefficient (PTC) heater (102, 202, 302, 506, 702) and a number of batteries (106, 206, 308, 406, 508, 606, 708, 806), in which the PTC heater (102, 202, 302, 506, 702) is adapted to be powered by the batteries (106, 206, 308, 406, 508, 606, 708, 806) and an outside electric power source, and the PTC heater (102, 202, 302, 506, 702) is adapted to be powered by the outside electric power source when the electric appliance (100, 200, 300, 400, 500, 600, 700, 800) is started, and to be subsequently powered by the batteries (106, 206, 308, 406, 508, 606, 708, 806).
    Type: Application
    Filed: July 16, 2002
    Publication date: May 15, 2003
    Inventors: Daniel Kee Hung Chang, Rhoda Chor Man Yue