Patents by Inventor Friedhelm Bohmer

Friedhelm Bohmer 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).

  • Roll head for a planetary crossrolling mill
    Patent number: 4587820
    Abstract: A roll head for a planetary crossrolling mill in which the roll shaft bearing the tapered roll is mounted at one end close to the tapered roll in a radial bearing and an axial bearing while the other end rests with teeth in a rotationally engaged but axially movable manner in a hollow shaft of a bevel wheel driving the roll shaft.
    Type: Grant
    Filed: July 29, 1983
    Date of Patent: May 13, 1986
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Friedhelm Bohmer
  • Rolling mill
    Patent number: 4210011
    Abstract: Process and apparatus for the rolling of rod or light-section steel by the use of a cluster-roll stand and a planetary, diagonal rolling stand, having angularly arranged rolls.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: July 1, 1980
    Assignee: Schloemann-Siemag Aktiengesellschaft
    Inventors: Erich Bretschneider, Hermann Leitner, Friedhelm Bohmer