Patents by Inventor Richard A. Schiffelbein

Richard A. Schiffelbein 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 digging and transporting trees
    Patent number: 4402148
    Abstract: A trailer for transporting root-balled trees comprising a plurality of cone-shaped receptacles having an open bottom and being pivotally mounted to the frame of the trailer about a horizontal axis so that the trees may be held in a reclined position during transit.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: September 6, 1983
    Inventor: Richard A. Schiffelbein
  • Concrete delivery apparatus
    Patent number: 4007821
    Abstract: A lightweight and reinforced tubular concrete distributing structure having an integral hopper at one end as well as flexible means for supporting the same on a delivery chute to receive the discharge of the latter. The bottom wall of the hopper merges smoothly with the interior of the tubular structure and the plane of the top edges of the hopper is inclined to the longitudinal axis of the tubular structure.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: February 15, 1977
    Inventor: Richard A. Schiffelbein