Patents by Inventor Keith B. Whiteley

Keith B. Whiteley 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).

  • Extrusion presses
    Patent number: 4238432
    Abstract: An extrusion press particularly for forming animal feed pellets is provided with means for detecting slip between the roll and the die and the operating conditions, e.g. feed of material to the nip, are varied when the slip exceeds a predetermined value or the rate of change of slip exceeds or corresponds to a predetermined value.
    Type: Grant
    Filed: May 3, 1979
    Date of Patent: December 9, 1980
    Assignee: Internationale Octrooi Maatschappij
    Inventors: John A. Henderson, Raymond H. Lindley, Keith B. Whiteley