Patents by Inventor Rex B. Plant

Rex B. Plant 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 for producing a vegetable product
    Patent number: 5275071
    Abstract: A method and apparatus for producing a product of predetermined shape from a vegetable, in which a cylindrical core is cut from the vegetable, and a predetermined shape is cut laterally from the core. In another aspect of the invention a cylindrical plug is cut into the vegetable, a cylindrical pocket is cut in the plug, and the base of the plug is severed from the vegetable for form a cup.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: January 4, 1994
    Assignee: 461844 Ontario Limited
    Inventors: Rex B. Plant, John P. Marton
  • Apparatus for producing a vegetable product
    Patent number: 5228397
    Abstract: An apparatus for producing a product of predetermined shape from a vegetable which the vegetable is centered above a tube, the tube having an annular cutting edge. The vegetable is pressed into the tube to form a cylindrical core. The core is rotated about the longitudinal axis of the tube and then a cutting tube moveable laterally against the core cuts the predetermined shape from the core when the core is rotated.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: July 20, 1993
    Assignee: 461844 Ontario Limited
    Inventors: Rex B. Plant, John P. Marton
  • Apparatus for producing a vegetable product
    Patent number: 5181458
    Abstract: A method and apparatus for producing a product of predetermined shape from a vegetable, in which a cylindrical plug is cut into the vegetable, a cylindrical pocket is cut in the plug, and the base of the plug is severed from the vegetable to form a cup.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: January 26, 1993
    Assignee: 461844 Ontario Limited
    Inventors: Rex B. Plant, John P. Marton
  • Method and apparatus for producing a shaped vegetable product
    Patent number: 5102678
    Abstract: A method and apparatus for producing a product of predetermined shape from a vegetable, in which the vegetable is split and the opposed sections are scooped out. In another aspect of the invention a shaft penetrates the vegetable and blades are laterally flexed to carve out a cavity when the shaft is rotated. In still another aspect of the invention a pair of sloping U-shaped cutters move together into the vegetable and a U-shaped knife in each of the cutters rotates to form a heart-shaped core.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: April 7, 1992
    Assignee: John P. Marton
    Inventors: Rex B. Plant, John P. Marton
  • Apparatus for producing a vegetable product
    Patent number: 5060563
    Abstract: A method and apparatus for producing a product of predetermined shape from a vegetable, in which a cylindrical core is cut from the vegetable by forcing the vegetable against an annular cutting edge of a tube and cutting the product from the core by advancing a pair of opposed rotatable cutting elements into apertures in the side of the tube.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: October 29, 1991
    Assignee: Rex Plant
    Inventors: Rex B. Plant, John P. Marton