Patents by Inventor Paulus Heister

Paulus Heister 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: 6109084
    Abstract: An apparatus for stretch leveling thin metal strips, in particular aluminum strips between 0.1 and 0.5 mm thick, has a group of braking rollers that are interconnected via differential transmissions and controlled jointly with respect to speed to form a first leveling path with a downstream central speed-controlled leveling roller and that downstream a group of pulling rollers connected together by means of differential transmissions and controlled jointly with respect to speed form a second leveling path with the central leveling roller.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: August 29, 2000
    Assignee: Kampf GmbH & Co. Maschinenfabrik
    Inventors: Armin Hutzenlaub, Paulus Heister