Patents by Inventor James E. Riccio

James E. Riccio 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).

  • Contactor control circuit
    Patent number: 8134820
    Abstract: A contactor control circuit is disclosed for controlling a contactor connecting an alternating current electrical power source to a load. The contactor control circuit comprises a switching circuit connected in series with the inductor for controlling the conduction of the contactor. The control circuit actuates conduction of current through the inductor for energizing the contactor to connect the alternating current electrical power source to the load. The invention is also incorporated into a circuit for switching a first and a second alternating current electrical power source to a load.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: March 13, 2012
    Inventors: James E. Riccio, Frank S. Brugner