Patents by Inventor Daniel E. Sonon

Daniel E. Sonon 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).

  • Method for improving the surface quality of stainless steels and other chromium-bearing iron alloys
    Patent number: 4078949
    Abstract: A method of surface conditioning a stainless steel to remove oxides and imperfections therefrom whereby the steel is heated in a controlled atmosphere having an oxygen potential, (log P.sub.O.sbsb.2) between (-29,280/T) + 5.6 and (-27,840/T) + 8.1 where T is the absolute temperature in degrees Kelvin.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: March 14, 1978
    Assignee: United States Steel Corporation
    Inventors: William E. Boggs, Daniel E. Sonon