Patents by Inventor Ernst Kohler

Ernst Kohler 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).

  • Drying screen for paper making machine
    Patent number: 5609936
    Abstract: A drying screen for paper making machines is described which comprises at least one layer of a thread composite and a thin glued-on, perforated or slit sheet i.e., with thermoplastic material-comprising filaments. The individual layers are preferably connected to one another in three layers and arranged one above the other, with the layer facing the paper web always being oriented in the direction of paper travel.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: March 11, 1997
    Assignee: Wurttembergische Filztuchfabrik D. Geschmay GmbH
    Inventors: Ernst Kohler, Bernd Sabrowski, Ulrich Altenhofen
  • Fabric web and a method of making a fabric web for a dewatering machine
    Patent number: 4267226
    Abstract: The ends of the web are provided with curved connecting members which are formed by longitudinal filaments which are of greater cross-section than the remaining filaments of the web. These larger sized longitudinal filaments are inserted into the end portions of the web ends in place of the usual longitudinal filaments. The overlapping portions of the layers of the fabric web are provided with zones free of transverse filaments and the layers are secured together in the zones by a manually inserted transverse filament.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: May 12, 1981
    Assignee: Wurttembergische Filztuchfabrik
    Inventors: Ernst Kohler, Friedrich Moninger