Patents by Inventor Donald G. Hopson

Donald G. Hopson 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).

  • Bulldozer rear blade mounting apparatus
    Patent number: 6892825
    Abstract: A rear blade mounting apparatus for a bulldozer. The mounting apparatus generally includes a frame that extends from the rear of the body of the bulldozer, the frame including a pair of extending loader arms pivotally connected to the rear of the tractor, and a blade pivotally mounted on free ends of the loader arms, and hydraulic cylinders, or the like, controlled to cause the blade to be positioned in various desired positions.
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: May 17, 2005
    Inventor: Donald G. Hopson