Patents by Inventor Mihaly J. Spanraft

Mihaly J. Spanraft 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).

  • Deformation properties of the edge of a deep-drawn metal can
    Patent number: 4261274
    Abstract: A method of producing a metal can or similar object by drawing and ironing wherein subsequent to the drawing process the edge of the can or object is cut to size, while the can or object is rotated about its longitudinal axis, by means of a laser beam whereby the deformation properties of the edge are improved.
    Type: Grant
    Filed: April 26, 1979
    Date of Patent: April 14, 1981
    Assignee: Hoogovens Ijmuiden B.V.
    Inventors: Mihaly J. Spanraft, Leo Hartman