Patents by Inventor Allen L. Hubbard

Allen L. Hubbard 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).

  • Cover assembly for coal carrying vehicles
    Patent number: 5542734
    Abstract: A cover assembly for vehicles, such as coal trucks, hopper cars and the like. The assembly includes a rigid cover which is mounted to the body of the vehicle by an easily engagable hinge assembly to provide a cover which can be selectively hinged to either side of the vehicle to provide a movable roof. The roof can be opened to either side of the vehicle so as to expose the coal and permit the same to be sampled or removed by an auger or other suitable mechanisms through the top of the coal carrier.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: August 6, 1996
    Assignee: Truck Covers, Inc.
    Inventors: Darvin Burchett, Allen L. Hubbard