Patents by Inventor Edwin T. Groff

Edwin T. Groff 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).

  • Food processing apparatus
    Patent number: 4536147
    Abstract: A food processing apparatus having an extrudate outlet nozzle, an extrudate receiver, the nozzle and receiver being movable to discharge extrudate in a preselected two dimensional line configuration on the receiver, and a programmable controller for controlling the movement to achieve the configuration.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: August 20, 1985
    Inventor: Edwin T. Groff
  • Apparatus for extruding a comestible
    Patent number: 4445838
    Abstract: A comestible extruding apparatus including a pressure chamber having an outlet, a hollow extrusion die journaled in the outlet, and a hollow seal force fit in the outlet and having a neck extending slidably into the hollow die, the neck and die combining to define a rotary seal for the comestible.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: May 1, 1984
    Inventor: Edwin T. Groff
  • Method of making pretzels of selected spiral pitch
    Patent number: 4288463
    Abstract: A pretzel making method wherein dough is extruded and the extrusion is rotated about an eccentric axis into a spiral configuration for baking.The extruded dough is gravitationally passed to a conveyor belt. The vertical distance that the dough downwardly passes through is varied to change the wound spiral to a selected pitch.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: September 8, 1981
    Inventors: Edwin I. Groff, Edwin T. Groff