Patents by Inventor Alfred S. Korytkowski

Alfred S. Korytkowski 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).

  • Conduit grinding apparatus
    Patent number: 5022192
    Abstract: A grinding apparatus for grinding the interior portion of a valve stem receiving area of a valve. The apparatus comprises a faceplate, a plurality of cams mounted to an interior face of the faceplate, a locking bolt to lock the faceplate at a predetermined position on the valve, a movable grinder and a guide tube for positioning an optical viewer proximate the area to be grinded. The apparatus can either be rotated about the valve for grinding an area of the inner diameter of a valve stem receiving area or locked at a predetermined position to grind a specific point in the receiving area.
    Type: Grant
    Filed: April 3, 1990
    Date of Patent: June 11, 1991
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Henry D. Nachbar, Alfred S. Korytkowski