Patents by Inventor Paul E. Blackwelder

Paul E. Blackwelder 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).

  • Method of interchanging a truck body with a dump body
    Patent number: 8523286
    Abstract: An apparatus and method for coupling different body types to a truck, specifically interchanging between dump and trailer bodies, so that a single truck may be used to perform dump truck and tractor truck operations. The truck includes a pair of rearward extending frame rails and a mounting bracket to which a 5th wheel may be releaseably attached. The truck is adapted for carrying at least one of a 5th wheel and a hydraulic lift system and, thus, is capable of being coupled to a trailer body or dump body, respectively.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: September 3, 2013
    Inventor: Paul E. Blackwelder
  • Truck apparatus coupleable to different body types and methods of interchanging the bodies
    Patent number: 7934897
    Abstract: An apparatus and method for coupling different body types to a truck, specifically interchanging between dump and trailer bodies, so that a single truck may be used to perform dump truck and tractor truck operations. The truck includes a pair of rearward extending frame rails and a mounting bracket to which a 5th wheel may be releaseably attached. The truck is adapted for carrying at least one of a 5th wheel and a hydraulic lift system and, thus, is capable of being coupled to a trailer body or dump body, respectively.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: May 3, 2011
    Inventor: Paul E. Blackwelder