Patents by Inventor Otto Hellinger

Otto Hellinger 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: 3931920
    Abstract: An apparatus for recording information on a flexible strip or reproducing the information so recorded includes a guide structure for directing a leading end of an oncoming strip, of initially indeterminate curvature, to a self-threading area associated with a take-up reel regardless of strip curvature. The guide structure has an outlet with two or three channels, branching from its inlet, separated by one or two generally wedge-shaped deflectors pointing toward the inlet, the channels being defined by guide rollers establishing points of intersection thereof downstream of the deflector or deflectors.
    Type: Grant
    Filed: March 21, 1974
    Date of Patent: January 13, 1976
    Assignees: Karl Vockenhuber, Raimund Hauser
    Inventor: Otto Hellinger