Patents by Inventor Johann Hurtgen

Johann Hurtgen 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).

  • Apparatus for contactless guiding of webs of material, in particular, metal strips, by means of a gas medium
    Patent number: 4785985
    Abstract: In an apparatus for contactless guiding of webs of material, in particular metal strips, by means of a gas medium, nozzle boxes are disposed above and below the web of material. The distances of the nozzle boxes from an imaginary, essentially horizontal center plane extending in the direction of transport differs individually or in groups. The positions of the outlet planes of the nozzle boxes are adaptable to the wave form, and each wave trough and each wave crest of the wave form is formed by at least two adjacent nozzle boxes.
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: November 22, 1988
    Assignee: Otto Junker GmbH
    Inventor: Johann Hurtgen