Patents by Inventor Anton Pfeil

Anton Pfeil 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).

  • Patent number: 4766752
    Abstract: In an apparatus for rolling the walls of a tube in order to decrease the wall thickness and so increase the length of the tube by the use of pairs of rolls of which one roll is outside the tube wall and the other roll is inside it and in which relative axial motion and relative rotation takes place between the tube and the roll pairs, an increase in the possible length of tube which may be rolled is produced by having all the rollers carried on means extending from a common support structure on which a holder for one end of the tube is also carried.
    Type: Grant
    Filed: December 5, 1986
    Date of Patent: August 30, 1988
    Assignee: Man Technologie GmbH
    Inventors: Heinz Gronert, Manfred Eckert, Henning von Petersdorff, Johann Munich, Maximilian Hammer, Gunther Nuissl, Klaus Bergen, Josef Appoloner, Anton Pfeil, Willibald Huber, Klaus Kiessling