Patents by Inventor Thomas Cokain

Thomas Cokain 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).

  • Publication number: 20070020137
    Abstract: A wear and oxidation resistant nickel-base alloy, exhibiting resistance to thermal cracking in high-stress elevated temperature environments, comprises, in weight percentages based on total alloy weight: 53 to 67 nickel; 20 to 26 chromium; and 12 to 18 tungsten. The alloy optionally further comprises, in weight percentages based on total alloy weight, at least one of: up to 3 cobalt; up to 3 molybdenum; up to 6 iron; 0.1 to 0.5 manganese; 0.1 to 0.7 silicon; 0.1 to 0.6 aluminum; and less than 0.05 carbon. Components of a seamless tube manufacturing apparatus fabricated from the alloy also are provided. The components may be, for example, tools for one of a piercing mill, a high mill, and a rotary expander, such as piercer points, piercing mill guide shoes, rotary expander guide shoes, reeler guide shoes, and high-mill plugs.
    Type: Application
    Filed: July 20, 2005
    Publication date: January 25, 2007
    Inventors: Thomas Cokain, Behram Kapadia, Charles Stein