Patents by Inventor Denis Clark

Denis Clark 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).

  • Friction stir welding tool
    Publication number: 20060169747
    Abstract: A friction stir welding tool is described and which includes a shank portion; a shoulder portion which is releasably engageable with the shank portion; and a pin which is releasably engageable with the shoulder portion.
    Type: Application
    Filed: February 1, 2005
    Publication date: August 3, 2006
    Inventors: Charles Tolle, Denis Clark, Timothy Barnes