Patents by Inventor Willam Frederick

Willam Frederick 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).

  • Intelligent battery system
    Patent number: 8598740
    Abstract: A mobile workstation includes a first battery bracket for releasable attachment of a main battery, a second battery bracket for releasable attachment of a backup battery and a power control circuit. The power control circuit includes a first input for receiving and monitoring power from the main battery, a second input for receiving and monitoring power from the backup battery, and a DC output. The power control circuit selectively routes a first flow of electricity from the main battery to the DC output when the first flow of electricity exceeds a predetermined value, and routes a second flow of electricity from the backup battery to the DC output when the first flow of electricity falls below the predetermined value.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: December 3, 2013
    Assignee: Anton/Bauer, Inc.
    Inventors: Joseph G. Murtha, Mark Ross, James Markland, Willam Frederick, Carl Hultman, Michael Accardi