Patents by Inventor Leo E. Flinn

Leo E. Flinn 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).

  • Derail wheel crowder
    Patent number: 3944174
    Abstract: A wheel crowder for mounting on a rail opposite a conventional derail for cooperation with the latter whereby the wheel crowder engages a wheel of a railcar or locomotive and forces the same toward the derail thereby assuring that the opposite wheel will move into the throat or entering toe of the derail and permit proper operation of the latter.
    Type: Grant
    Filed: September 20, 1974
    Date of Patent: March 16, 1976
    Assignee: Federal Sign and Signal Corporation
    Inventor: Leo E. Flinn