Patents by Inventor Helmut Korte

Helmut Korte 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 for making seamless wheel rims
    Patent number: 6298702
    Abstract: A method for forming seamless tubular workpieces, such as vehicular wheel rim components. In the method, a flat circular blank having a central aperture is expanded into the interior of a hollow mandrel using a mushroom-shaped spinning roller. In this expansion operation, the blank is caused to take on a tubular shape having an exterior contour which conforms to the interior contour of the hollow mandrel.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: October 9, 2001
    Assignee: Advanced Metalforming Technologies, Inc.
    Inventor: Helmut Korte