Patents by Inventor Benjamin Jay Stewart

Benjamin Jay Stewart 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).

  • APPLIANCE AND POWER SUPPLY THEREFOR
    Publication number: 20090021969
    Abstract: A power supply having an input, a rectifier, a voltage dropping resistor coupled in the circuit to provide a voltage drop between the input and an output of the power supply, a smoothing circuit having at least two capacitors to stabilise the output voltage, whereby a switching network switches the capacitors between a first configuration with a first effective voltage rating, and a second configuration with a second effective voltage rating.
    Type: Application
    Filed: July 18, 2008
    Publication date: January 22, 2009
    Inventors: Richard George Arthur Butler, Benjamin Jay Stewart