Patents by Inventor Tony W. Leung

Tony W. Leung 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: 20100200565
    Abstract: A cooking appliance including two or more independently controllable heating elements disposed on a cooktop of the cooking appliance; and a control circuit including two or more switches and configured to be operative in a first mode to enable each switch to independently control a respective one of the two or more independently controllable heating elements, and operative in a second mode to disable independent control of the two or more independently controllable heating elements, and enable one of the switches to simultaneously control the respective ones of the two or more independently controllable heating elements as a single unit.
    Type: Application
    Filed: February 6, 2009
    Publication date: August 12, 2010
    Inventors: Tony W. Leung, Daniel Joseph Trice, Michael Thomas Chezem, Brian Michael Schork, Jason Northcut