Patents by Inventor Ernest Rauch

Ernest Rauch 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).

  • Spinning process and apparatus
    Patent number: 5984655
    Abstract: Spinning apparatus for carrying out a dry/wet-spinning process includes a spinneret for extruding filaments, a blowing device whereby the extruded filaments may be cooled immediately after being delivered from the spinning holes, a container containing spinning bath liquid, and means for bundling the extruded filaments provided in the spinning bath liquid. Preferably, the same means serves both for bundling and diverting the extruded filaments and is non-rotatable.
    Type: Grant
    Filed: October 7, 1996
    Date of Patent: November 16, 1999
    Assignee: Lenzing Aktiengesellschaft
    Inventors: Franz Schwenninger, Friedrich Ecker, Wilhelm Feilmair, Christoph Schrempf, Heinrich Firgo, Stefan Zikeli, Ernest Rauch