Patents by Inventor John D. Titterton

John D. Titterton 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).

  • Convertible freight car
    Patent number: 4497259
    Abstract: A convertible freight car operable as a flatbed car for receiving items such as lumber and the like or as a bulk storage freight car for bulk items such as grain or the like. The freight car is converted from the flatbed car to the bulk storage freight car when the flatbed is elevated upward permitting a plurality of flexible containers attached to the underside of the flatbed to be extended to form containers for receiving bulk goods or liquids.
    Type: Grant
    Filed: January 7, 1983
    Date of Patent: February 5, 1985
    Inventor: John D. Titterton