Patents by Inventor Aldan Michael Kerrigan

Aldan Michael Kerrigan 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).

  • Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof
    Patent number: 6475309
    Abstract: A method for producing a rolling bearing component, in which, before ustenizing, the steel is subjected to cold deformation and quenching is such that the bainitic structure is obtained; and a rolling bearing component produced by the method, such as a rolling bearing ring from 1C to 1,5Cr type series steel, in which at least the surface of the rolling bearing component has a bainitic structure and the service life of the bainitic structure is considerably increased over a component not subjected to cold rolling.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: November 5, 2002
    Assignee: SKF Engineering & Research Centre B.V.
    Inventors: Joacim Fogelstrom, John Michael Beswick, Aldan Michael Kerrigan, Han Ingemar Strandell