Patents by Inventor Stephen Bruce Watt

Stephen Bruce Watt 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).

  • Solar-powered pumping device
    Patent number: 7309926
    Abstract: A solar-powered pumping device comprising: a solar power converter for generating power from sunlight; a pump driven by power from said solar power converter; an actuator for controlling the orientation of said solar power converter; and a controller for controlling said actuator to orient said solar power converter for optimum generation of power, said controller comprising a receiver for receiving broadcast time data, and an ephemerides calculator for calculating the position of the sun on the basis of the received time data.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: December 18, 2007
    Assignee: Mono Pumps Limited
    Inventor: Stephen Bruce Watt
  • Solar-powered pumping device
    Publication number: 20040219039
    Abstract: A solar-powered pumping device comprising:
    Type: Application
    Filed: January 29, 2004
    Publication date: November 4, 2004
    Inventor: Stephen Bruce Watt