Patents by Inventor Thomas Kumpel

Thomas Kumpel 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).

  • Process for the production of fusible interlining fabrics
    Patent number: 6344238
    Abstract: A process for the production of fusible interlining fabrics, wherein an interlining fabric (1) is discontinuously printed over its area with a reactive adhesive (2), and a particulate hot-melt glue (3) is applied to the adhesive (2) while it is still reactive. In another step, particles (3.1) can be pressed on, and subsequently the excess particles (3.2) of the hot-melt glue (3) can be removed.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: February 5, 2002
    Assignee: Firma Carl Freudenberg
    Inventors: Erich Schmitt, Peter Grynaeus, Thomas Kümpel
  • Absorbent body of nonwoven material and a method for the production thereof
    Patent number: 4902559
    Abstract: Disclosed is an absorbent body of nonwoven material formed of randomly distributed thermoplastic endless filaments which contain embedded hydrophilic or oleophilic staple fibers and in some cases swelling particles. Also disclosed is a one-step process for the production of the absorbent body.
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: February 20, 1990
    Assignee: Firma Carl Freudenberg
    Inventors: Helmut Eschwey, Lothar Hackler, Ludwig Hartmann, Michael Kauschke, Bernhard Klein, Thomas Kumpel, Hans-Achim Kunkel, Torsten Nahe, Ivo Ruzek