Patents by Inventor Matthew W. Ablett

Matthew W. Ablett 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).

  • Automated railroad crossing gate management system
    Publication number: 20020185571
    Abstract: A gate system for an intersection of a railroad track and roadway has detectors to monitor the intersection and crossing relays to monitor the railroad track. A controller connected to the detectors and the crossing relays operates the gates to prevent the gates from trapping a vehicle on the tracks.
    Type: Application
    Filed: May 1, 2002
    Publication date: December 12, 2002
    Inventors: Jackie D. Bryant, Matthew W. Ablett