Patents by Inventor Robert R. Gaugh

Robert R. Gaugh 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).

  • High strength corrosion-resistant stainless steel
    Patent number: RE28772
    Abstract: Chromium-nickel-manganese steel characterized by good welding properties, which steel in the as-welded condition enjoys a combination of strength, ductility and impact resistance, along with good resistance to intergranular corrosion and good resistance to general corrosive attack. The steel contains about 20% to 25% chromium, about 6% to 17% nickel, about 3.5% to 7% manganese, about .15% to .50% nitrogen, with carbon not exceeding about .08, and with at least one of the three ingredients molybdenum, columbium and vanadium. For a best combination of properties at least two of the three ingredients are employed.
    Type: Grant
    Filed: March 8, 1974
    Date of Patent: April 13, 1976
    Assignee: Armco Steel Corporation
    Inventors: Elbert E. Denhard, Jr., D. Cameron Perry, Robert R. Gaugh