Patents by Inventor Eberhard Kamfe

Eberhard Kamfe 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).

  • Machine for simultaneous biaxially stretching
    Patent number: 4200963
    Abstract: A biaxial web stretching machine has diverging tong conveying screws and the screws are provided with double or triple threads to provide relatively high speed tong movement with a relatively low speed of screw rotation.
    Type: Grant
    Filed: November 2, 1978
    Date of Patent: May 6, 1980
    Assignee: Firma Erwin Kampf GmbH & Co. Machinenfabrik
    Inventors: Eberhard Kamfe, Willi Schmidt