Patents by Inventor Fraser S. Smith

Fraser S. Smith 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).

  • Extruder die insert plate system
    Patent number: 5997272
    Abstract: A die for the preparation of a toner resin in an extruder having a housing defining a housing aperture therein and a conveyor for conveying the resin through the housing aperture to form a stream of resin is provided. The die includes a member connected to a first end of the housing. The member defines an opening therethrough. The cross sectional area of the opening is progressively reduced in the direction of the stream of resin for at least a substantial portion of the opening.
    Type: Grant
    Filed: March 27, 1996
    Date of Patent: December 7, 1999
    Assignee: Xerox Corporation
    Inventors: Joseph L. Leonardo, J. Stephen Kittelberger, John J. Ianni, Fraser S. Smith, Fumii Higuchi
  • Extruder die plate with removable splitters
    Patent number: 5700413
    Abstract: A die for the preparation of a toner resin in an extruder having a housing defining a housing aperture therein and a conveyor for conveying the resin through the housing aperture to form a stream of resin is provided. The die includes a member connected to a first end of the housing. The member defines an opening therethrough. The member includes a splitter disposed adjacent the opening for splitting a stream of resin passing through the opening in a first direction into two separate streams of resin.
    Type: Grant
    Filed: March 27, 1996
    Date of Patent: December 23, 1997
    Assignee: Xerox Corporation
    Inventors: Fumii Higuchi, John J. Ianni, Fraser S. Smith, Michael G. Hawkins, Joseph L. Leonardo