Patents by Inventor Stephen A. Bodnar, II

Stephen A. Bodnar, II 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).

  • Railroad interlocking control system having shared control of bottleneck areas
    Patent number: 5301906
    Abstract: A railroad interlocking control system utilizing a plurality of programmable controllers to regulate flow of train traffic through an interlocking track layout in which a number of track routes converge and overlap into a bottleneck area. Control of switch and signal devices in the bottleneck area is shared by multiple programmable controllers which may reduce redundancy requirements of prior art arrangements.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: April 12, 1994
    Assignee: Union Switch & Signal Inc.
    Inventor: Stephen A. Bodnar, II