Patents by Inventor Samuel R. Keown

Samuel R. Keown 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).

  • Coatings for cutting implements
    Patent number: 4470895
    Abstract: An edged cutting implement is provided with a refractory material coating that terminates adjacent a cutting edge of the implement to improve its cutting performance by depositing the coating on the implement by means of ion plating under conditions such that the coating terminates adjacent a cutting edge of the implement so as not to cover the cutting edge.
    Type: Grant
    Filed: March 22, 1983
    Date of Patent: September 11, 1984
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: Joseph P. Coad, Samuel R. Keown