Patents by Inventor Hilard R. Cantrell, Jr.

Hilard R. Cantrell, Jr. 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).

  • Mining utility transport vehicle
    Patent number: 7743869
    Abstract: A mine transport vehicle is disclosed having two main bodies, one a power and control section and the other a payload section, the two sections being connected by an articulating joint. The power and control section has seating for an operator and a passenger. The payload section has seating for four passengers as well as capacity for at least approximately 2000 pounds of equipment. The weight distribution of each section is such that the stress on the frame and articulating joint is minimized thus providing improved life of the joint.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: June 29, 2010
    Assignee: Listerhill Total Maintenance Center LLC
    Inventors: Donald B. Flournoy, Jr., Floyd T. Patterson, Michael J. Stumpe, John F. Bryerton, Hilard R. Cantrell, Jr., Timothy A. Ellett