Patents by Inventor Roy S. Goodwin

Roy S. Goodwin 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 making a forged metal article
    Patent number: 4712411
    Abstract: The present invention provides an apparatus for producing in a single stroke a forged metal article with a helical contoured surface. The apparatus uses an upper punch with a generally smooth surface which is telescopically received in a punch housing and a lower punch of generally smooth surface which is mounted for free rotation with respect to the axis of the die assembly. This design allows for the use of a die of the general configuration and length of the finished article which is economical and efficient to operate.
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: December 15, 1987
    Assignee: Clevite Industries Inc.
    Inventor: Roy S. Goodwin