Patents by Inventor Shannon K. Craycraft

Shannon K. Craycraft 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).

  • Cost-effective ferritic stainless steel
    Patent number: 9816163
    Abstract: A cost effective ferritic stainless steel exhibits improved corrosion resistance comparable to that observed on Type 304L steel. The ferritic stainless steel is substantially nickel-free, dual stabilized with titanium and columbium, and contains chromium, copper, and molybdenum.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: November 14, 2017
    Inventors: Joseph A. Douthett, Shannon K. Craycraft
  • Cost-effective Ferritic Stainless Steel
    Publication number: 20130294960
    Abstract: cost effective ferritic stainless steel exhibits improved corrosion resistance comparable to that observed on Type 304L steel. The ferritic stainless steel is substantially nickel-free, dual stabilized with titanium and columbium, and contains chromium, copper, and molybdenum.
    Type: Application
    Filed: April 2, 2013
    Publication date: November 7, 2013
    Inventors: Joseph A. Douthett, Shannon K. Craycraft