Patents by Inventor Franklin S. Smith

Franklin 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).

  • Patent number: 4897907
    Abstract: A process for manufacturing a nozzle tip of an elongated valve closing orifice type comprises rolling a tubular workpiece so as to form a circumferential indentation in said workpiece. The interior surface of the indented wall is precisely ground to form an integral collar which functions as guide surface for the valve member.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: February 6, 1990
    Assignee: Stanadyne Automotive Corp.
    Inventors: Lawrence J. Kopiec, Franklin S. Smith