Patents by Inventor George A. Rahall

George A. Rahall 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 and apparatus for flame-cutting angle irons
    Patent number: 3934861
    Abstract: A method and apparatus for flame-cutting segments from angle irons. The apparatus supports a torch for movement across the surface of an angle iron, the corner of which is directed upwardly. The torch moves horizontally and upwardly as it cuts the first leg and horizontally and downwardly as it cuts the second leg. The torch tip is directed at a constant 45.degree. angle to the surface of the angle iron and maintained at a constant distance therefrom and moves at a constant pre-set speed throughout any one cutting operation.
    Type: Grant
    Filed: January 9, 1975
    Date of Patent: January 27, 1976
    Assignee: United States Steel Corporation
    Inventor: George A. Rahall