Patents by Inventor William W. Stephens

William W. Stephens 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).

  • Heat treatment apparatus
    Patent number: 4063719
    Abstract: An apparatus for heat treating elongate articles including a furnace arranged above a quenching liquid reservoir and guide elements for guiding heated elongate articles from the furnace into the quenching liquid. In a preferred embodiment, the furnace utilizes a plurality of elongate tubes which receive detachably held elongate articles. Upon release, the elongate articles fall while oriented vertically by the guide elements into the quenching liquid. Warping or bending of the elongate articles is thereby prevented during the transfer from the furnace to the quenching liquid.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: December 20, 1977
    Assignee: Kawecki Berylco Industries, Inc.
    Inventors: William W. Stephens, James F. McKeighen