Patents by Inventor Michael R. Grinager

Michael R. Grinager 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).

  • Patent number: 5290141
    Abstract: A continuous downstacker apparatus is operable for continuously stacking product in a predetermined stacked pattern. The downstacker apparatus includes a pair of lowerating-pushing heads which continuously move in a vertical elliptical walking beam pattern for receiving, stacking and pushing stacked product from a stacking chamber. The product is delivered to the stacking chamber by conveyor means and the lowerating-pushing heads are shiftable on a support frame for vertical and horizontal components of movement during the stacking and pushing cycle.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: March 1, 1994
    Assignee: Brenton Engineering Inc.
    Inventor: Michael R. Grinager