Patents by Inventor Heinz Banzhaf

Heinz Banzhaf 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).

  • Counterbalanced roller for paper machines
    Patent number: 4235124
    Abstract: A roller for a paper machine, including: a tube passing axially through the shell of the roller; a respective holder for each of a plurality of counterbalancing weights; the holders being annularly spaced around the tube; a spring pushing each holder around the respective weight supported thereon toward the inside surface of the roller shell.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: November 25, 1980
    Assignee: J. M. Voith GmbH
    Inventors: Heinz Banzhaf, Robert Dietrich