Patents by Inventor Kieth Young

Kieth Young 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).

  • Spring rail frog having switchable magnet for holding wing rail open
    Patent number: 5806810
    Abstract: A railroad frog assembly is provided with a switched magnet that immediately retains a frog flexible wing rail in its open position in response to a railcar wheel passing through the frog assembly, and that delayably releases the frog flexible wing rail from its open position for subsequent closure by an included frog compression spring.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: September 15, 1998
    Assignee: ABC Rail Products Corporation
    Inventors: Kieth Young, Stephen R. Kuhn