Patents by Inventor Robert G. Fonti

Robert G. Fonti 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 swimming pool skimmer
    Patent number: 5106492
    Abstract: A swimming pool skimmer includes a paddle wheel that directs fluid and debris into a debris catcher. The paddle wheel is turned by a motor that is powered from an array of solar cells. A solar concentrator focuses solar energy onto the solar cells, and an alarm circuit includes a strain gauge on the debris catcher. The strain gauge forms one leg of a bridge circuit that is connected to a comparator having a feedback loop. The output of the comparator is connected to an alarm element either directly or remotely.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: April 21, 1992
    Inventors: John A. Distinti, Robert G. Fonti