Patents by Inventor Thomas J. Stansfield

Thomas J. Stansfield 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: 5228820
    Abstract: An article handling system comprises closed loop pathways, movable carriers adapted to travel along the pathways, a plurality of article storage buffer stations located adjacent to the pathways, and a hierarchical control system for controlling the transfer of articles to or from a given one of the article storage buffer stations by a movable carrier. The buffer stations provide distributed article storage which allows the system to operate with enhanced speed and efficiency.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: July 20, 1993
    Assignee: Advanced Technology and Research Corporation
    Inventors: Thomas J. Stansfield, Anthony J. Barbera, Dwight R. Koogle, M. L. Fitzgerald