Patents by Inventor Isaac L. Newell

Isaac L. Newell 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).

  • Non-cyanide salt bath and process for carburization of ferrous metals and alloys
    Patent number: 4591397
    Abstract: A non-cyanide molten salt bath composition and process for the carburization of objects made of ferrous metals or alloys are provided. The composition comprises a molten salt mixture, at a temperature in the range of 900.degree. C. to 1050.degree. C., of an alkali metal chloride or a mixture of alkali metal chlorides; an activator consisting of an oxygen containing strontium or barium salt; and a graphite cover. The process comprises immersing the ferrous metal or alloy part in the molten mixture at a temperature in the range of 900.degree. C. to 1050.degree. C.
    Type: Grant
    Filed: February 26, 1985
    Date of Patent: May 27, 1986
    Assignee: Heatbath Corporation
    Inventors: William C. Jones, Kenneth R. Britt, Isaac L. Newell