Patents by Inventor Hans-Jörg Grimm

Hans-Jörg Grimm 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: 6723416
    Abstract: A three-dimensionally structured fibrous web made up of continuous-filament layers which alternate perpendicular to the surface plane, and denser short-fiber layers that are permanently thermally bonded in a continuous or spot-like manner to the filament layers, the wide-mesh continuous-filament layers representing a scrim, lattice, or netting, has on the short-fiber layers repeating, fold- or wave-shaped elevations. In the manufacturing process, all of the layers of the laminate are subjected together to a shrinkage process at a temperature which lies between the softening and melting points of the scrim material.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: April 20, 2004
    Assignee: Firma Carl Freudenberg
    Inventors: Dieter Groitzsch, Gerhard Schaut, Hans-Jörg Grimm