Patents by Inventor Dan R. Green

Dan R. Green 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).

  • Closure mechanism for bottom dump hopper cars
    Patent number: 4011956
    Abstract: A side of track closure mechanism is provided for engaging and exerting an inwardly directed lateral thrust against bottom dump doors of a hopper car for hingedly moving the doors inwardly to a closed position. The actuating mechanism includes a rotating arm having actuating apparatus at one end which when placed in an index position is adapted to engage the doors of bottom dump hopper cars as they move along a track adjacent to which the closure mechanism is positioned.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: March 15, 1977
    Assignee: Pullman Incorporated
    Inventors: Dan R. Green, Ernest J. Nagy