Patents by Inventor John Summerfield

John Summerfield 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).

  • Battery charging and maintenance system
    Patent number: 6346792
    Abstract: A battery charging and maintenance system for providing long term maintenance and charging of batteries. The battery charging and maintenance system includes a charging assembly designed for converting alternating current into direct current for use in charging batteries, a golf cart regulator assembly electrically couplable to the charging assembly, a golf cart charging lead assembly for electrically coupling the charging assembly to the golf cart regulator assembly, an automobile regulator assembly electrically couplable to the charging assembly, and an automobile charging lead assembly for electrically coupling the charging assembly to the automobile regulator assembly.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: February 12, 2002
    Inventors: John Summerfield, Victor Wright