Patents by Inventor Noel Butters Preston

Noel Butters Preston 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).

  • Coated superalloy article
    Patent number: 4005989
    Abstract: A protective coating is provided on gas turbine engine type superalloys comprising an interlayer adjacent the superalloy substrate a principal protective element of which comprises an aluminide of the basis metal of the substrate formed by the reaction of aluminum at high temperature with the substrate, and an overlayer comprising an MCrAlY-type coating where M is selected from the group consisting of cobalt, nickel and iron.
    Type: Grant
    Filed: January 13, 1976
    Date of Patent: February 1, 1977
    Assignee: United Technologies Corporation
    Inventor: Noel Butters Preston