Patents by Inventor Hubert L. Smith

Hubert L. 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).

  • Apparatus for applying a backing of plastic material to a cutting blade
    Patent number: 3937644
    Abstract: An apparatus for and method of forming a backing of plastic material at the rear edge of a cutting blade in which the edge is firmly imbedded by passing a conveyor on which the blades are arranged seriatim through an extrusion die the conveyor having feed lugs engaging the ends of the blades adapted also to maintain an accurate lateral position of the blades on the conveyor through the die, and continuing the advance through a cooling means and then through a cutting mechanism which severs the strip into individual blade units.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: February 10, 1976
    Assignee: Philip Morris Incorporated
    Inventors: Claude A. Bergeron, Hubert L. Smith