Patents Assigned to Northbrook Rail Corporation
  • Dry bulk pressure differential container with external frame support
    Patent number: 5390827
    Abstract: A container used for transporting dry bulk product which can be loaded and unloaded using a pneumatic mechanism and without need for tipping the container, comprising a plurality of hoppers and an external frame. A unique method of connecting the hoppers to the frame is disclosed using skirt rings at the ends of the frame and side panels secured to the hoppers and to the end pieces of the external frame and extending the length of the container to provide sufficient strength to the container.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: February 21, 1995
    Assignee: Northbrook Rail Corporation
    Inventors: John J. Toth, Richard McNealy
  • Dry bulk pressure differential container
    Patent number: 5353967
    Abstract: A container used for transporting dry bulk product which can be loaded and unloaded using a pneumatic mechanism and without need for tipping the container, comprising a plurality of hoppers, an external frame, a unique method of connecting the hoppers to the frame using skirt rings at the ends of the frame and side sills, and internal stiffeners between the hoppers, all of which act to provide sufficient strength to the container.
    Type: Grant
    Filed: April 20, 1993
    Date of Patent: October 11, 1994
    Assignee: Northbrook Rail Corporation
    Inventors: John J. Toth, Richard McNealy