Patents by Inventor Raymond F. McCartney

Raymond F. McCartney 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 of arresting crack propagation in line pipe characterized by ductile fracture
    Patent number: 4195669
    Abstract: A method for arresting a propagating crack in a steel line pipe characterized by ductile or mixed mode fracture which involves providing a mass of material on or around the pipe which is sufficient to constrain or reduce the outward acceleration of the pipe walls behind the crack tip after the crack tip has propagated therepast.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: April 1, 1980
    Assignee: United States Steel Corporation
    Inventors: Kenneth D. Ives, Raymond F. McCartney, Alan K. Shoemaker