Patents by Inventor Karl Hermann Wolf

Karl Hermann Wolf 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).

  • Apparatus for shaping the end of a tube
    Patent number: RE29446
    Abstract: .Iadd.Apparatus to produce widenings at tube ends with precise dimension of the inner surfaces of the widened zone which includes a holding device for the tube to be worked, a variable form core arranged axially in front of the center of the holding device, a device for axially displacement of the core, a cylinder axially movable over the tube for exterior calibration and adaptation of the tube end to the core, and a device to bring the core to a shape in which it can be drawn from the formed tube end. .Iaddend.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: October 18, 1977
    Assignee: Thyssen Plastik Anger
    Inventors: Max Sonnleitner, Karl Hermann Wolf, Johann Gutlhuber