Patents by Inventor Frank E. Henderson

Frank E. Henderson 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).

  • Liquid and granular hauling trailer
    Patent number: 4403783
    Abstract: A truck trailer useful for hauling liquid and granular material includes two liquid end chambers and one center chamber or hopper. The two liquid end chambers are frusto-conical in shape and have insulation within jacket pieces around them. The end chambers are connected by an insulated pipe extending through the center chamber.
    Type: Grant
    Filed: July 22, 1981
    Date of Patent: September 13, 1983
    Assignee: Harsco Corporation
    Inventor: Frank E. Henderson