Patents by Inventor Christian Baumann

Christian Baumann 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).

  • Device and method for producing microfilament yarns with high titer uniformity from thermoplastic polymers
    Patent number: 6174474
    Abstract: A device and a method are disclosed, by means of which microfilament yarns made of synthetic polymers can be produced with increased uniformity of the titer, dye absorption and improved physical yarn properties at increased production speeds by means of a spinning process with spinnerets of high hole density and a central cooling unit.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: January 16, 2001
    Assignee: EMS-Inventa AG
    Inventors: Manfred Stein, Christian Baumann, Ulrich Kemp, Gunter Goossens