Patents by Inventor Dietmar Lieder

Dietmar Lieder 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).

  • Process and apparatus for reverse-twisting cable elements
    Patent number: 5513487
    Abstract: An apparatus to reverse-twist cable elements in the discharge direction, while at the same time the resulting twisted discharge is taken up in a storage path includes a mandrel for expanding the cable elements prior to the twisting thereof in the discharge direction.
    Type: Grant
    Filed: May 5, 1994
    Date of Patent: May 7, 1996
    Assignee: Frisch Kabel-und Verseilmaschinenbau GmbH
    Inventors: Friedhelm Kumpf, Dietmar Lieder, Rainer Duwelhenke