Patents by Inventor Thomas W. Wheatley

Thomas W. Wheatley 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).

  • Articulated lightweight piggyback railcar
    Patent number: 4751882
    Abstract: An articulated railcar for transportation of highway trailers is lightweight and has a deck height which permits heavy highway trailers to be carried without exceeding the maximum allowable center of gravity height above the top of the rail.
    Type: Grant
    Filed: March 6, 1986
    Date of Patent: June 21, 1988
    Assignee: Canadian National Railway Company
    Inventors: Thomas W. Wheatley, Kelly J. Arrey