Patents by Inventor Lyle W. Burr

Lyle W. Burr 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).

  • Trackside door closing device for railway hopper cars
    Patent number: 5302072
    Abstract: A trackside device for closing hopper doors (14) has an eccentrically rotatable wheel (18). The wheel (18) rotates upon contacting a hopper door (14) to move it inward to a closed position. In a preferred embodiment, two devices are positioned on opposite sides of a railroad track to simultaneously close doors (14) on both sides of the hopper car.
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: April 12, 1994
    Assignee: Burlington Northern Railroad Company
    Inventors: Rick J. Stauffer, Keith C. Kieres, Lyle W. Burr