Patents by Inventor James M. Crooks

James M. Crooks 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).

  • Patent number: 4920301
    Abstract: A compact capacitor discharge and strobe light beacon system is disclosed which is designed to be used in a conventional incandescent aircraft warning light fixture. The system comprises: a step-up transformer; a pulse shaping network for rectifying the output of the transformer to pulsating DC, capacitor means connected to the output of the pulse shaping network, a choke, at least two xenon lamps with terminals and connected across the terminals of an energy storage capacitor through the choke, and a switch which fires the lamps.
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: April 24, 1990
    Inventor: James M. Crooks