Patents by Inventor William D. Duncan

William D. Duncan 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).

  • Machine for severing poultry into predetermined portions
    Patent number: 4214345
    Abstract: The high speed rotary cutters of a machine for automatically severing whole poultry bodies into separate portions are provided with nozzles which direct jets of cold water against the major areas of both surfaces of the cutters to increase their efficiency, and an enclosure which confines the water thrown off from the cutters is provided with a grid which prevents the severed portions from coming into contact with the water being removed from the enclosure.
    Type: Grant
    Filed: August 23, 1978
    Date of Patent: July 29, 1980
    Assignee: Duncan Creations, Inc.
    Inventors: William D. Duncan, Carolyn L. Duncan
  • Machine for cutting poultry into selectively variable portions
    Patent number: 4083083
    Abstract: A machine originally constructed for the automatic cutting of fowl, such as chickens or the like, into nine portions can be modified by the selective removal and/or addition of elements to produce fowl cut into any number of symmetrical pairs of portions from one to five.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: April 11, 1978
    Assignee: Duncan Creations, Inc.
    Inventors: William D. Duncan, Carolyn L. Duncan
  • Poultry cutter
    Patent number: 3950820
    Abstract: An automatic machine for sectioning poultry comprising a series of knives for performing selected cuts, and includes a mechanism for inserting the poultry carcasses into the machine, as well as improved mechanisms for performing selected cuts and for centering a carcass to be split into two halves.
    Type: Grant
    Filed: January 24, 1974
    Date of Patent: April 20, 1976
    Assignee: Duncan Creations, Inc.
    Inventors: William D. Duncan, Carolyn L. Duncan, Richard O. Stants, James J. Sims, David C. Staley