Patents by Inventor William C. Toogood

William C. Toogood 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).

  • Chipper with detachable facing knives
    Patent number: 5709255
    Abstract: A rotary chipping head with multiple knife structures distributed about its periphery. Each knife structure includes an end-located chipping knife with a cutting edge movable in a plane disposed perpendicular to the axis of rotation of the chipping head. End-located facing knives are interspersed with the knife structures for producing a smooth face in the work being processed. Anvils preceding the facing knives produce compression in the work being processed. Detachable facing elements mount the facing knives and the anvils.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: January 20, 1998
    Assignee: Key Knife, Inc.
    Inventor: William C. Toogood
  • Chipping cutter head including end cutting knives
    Patent number: 5617908
    Abstract: A substantially cylindrical cutter head for cutting chips from wood. The cutter head has a body formed of disc-shaped body sections mounted in a substantially axially aligned position. Double-edged knives are mounted on the perimeter of the cutter head body, and also on the end of the cutter head body.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 8, 1997
    Assignee: Key Knife, Inc.
    Inventor: William C. Toogood
  • Slabbing chipper with replaceable knives and wear plate
    Patent number: 5511597
    Abstract: A log-slabbing chipper having a chipper head that includes a power-driven rotor head and multiple double-edged knives distributed about the rotor head. A detachable wear plate for each knife extends in covering relation over a cutting edge in the knife that occupies an inoperative position. The wear plate establishes a proper depth of cut for the cutting edge of a knife that follows the wear plate.
    Type: Grant
    Filed: January 6, 1995
    Date of Patent: April 30, 1996
    Assignee: Key Knife, Inc.
    Inventors: Michael A. Shantie, William C. Toogood
  • Chipper with detachable facing knives
    Patent number: RE36659
    Abstract: A rotary chipping head with multiple knife structures distributed about its periphery. Each knife structure includes an end-located chipping knife with a cutting edge movable in a plane disposed perpendicular to the axis of rotation of the chipping head. End-located facing knives are interspersed with the knife structures for producing a smooth face in the work being processed. Anvils preceding the facing knives produce compression in the work being processed. Detachable facing elements mount the facing knives and the anvils.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: April 18, 2000
    Assignee: Key Knife, Inc.
    Inventor: William C. Toogood