Patents by Inventor David J. Coates

David J. Coates 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).

  • Austenitic stainless steel alloy
    Patent number: 4863682
    Abstract: A chromium-nickel austenitic stainless steel alloy composition, including specific proportions of carbon with a combination of niobium and tantalum.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: September 5, 1989
    Assignee: General Electric Company
    Inventors: David J. Coates, Gerald M. Gordon, Alvin J. Jacobs, David W. Sandusky