Patents by Inventor George Dufour

George Dufour 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: 20100073174
    Abstract: A power cut-off system for cutting a 220V power supply, or any other voltage value, of an electrical device, such as an oven for example, while maintaining a 110V power supply, or any other voltage value, to the electrical device, the system comprising a control-board unit connected to the 220V power supply of the electrical device and providing 110V and 220V respectively to the electrical device, the control-board unit including a transponder for sending and receiving wireless signals. The system also includes a smoke detector unit for detecting smoke and sending a wireless signal to the transponder of the control-board unit to cut-off the 220V power supply of the electrical device while maintaining the 110V power supply to the electrical device.
    Type: Application
    Filed: November 7, 2007
    Publication date: March 25, 2010
    Applicant: 6036716 CANADA INC.
    Inventor: George Dufour
  • Patent number: D315404
    Type: Grant
    Filed: November 3, 1988
    Date of Patent: March 12, 1991
    Inventor: George Dufour