Patents by Inventor Alan M. Patterson

Alan M. Patterson 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).

  • Apparatus and method for forming pellets
    Patent number: 4818450
    Abstract: Pellets which are formed by extruding and cutting may be squashed in the latter operation. Squashing is reduced by passing a strand of extruded material downwardly under the influence of gravity and cutting the strand horizontally with a blade, preferably supporting the strand against the cutting blade by blowing gas against it when cutting.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: April 4, 1989
    Assignee: Imperial Chemical Industries, PLC
    Inventors: Alan J. Hall, Frank A. Kirk, Alan M. Patterson, Peter M. Paxton