Patents by Inventor Hans Jürgen Wessel

Hans Jürgen Wessel 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).

  • Method for operating a sewing device and sewing device for carrying out this method
    Patent number: 6422166
    Abstract: In a sewing installation comprising a work piece holder of an outer contour that corresponds to the geometry of the work piece to be fixed thereon, the work piece holder being displaceable relative to a sewing needle via a control unit by the aid of x-y-drive motors, it is provided that a storage medium (chip 28) is disposed on the work piece holder (5, 6, 7), comprising any information necessary for the control of the sewing installation so that the course of the seam is computed and sewn corresponding to the contour of the work piece holder (5, 6, 7), the sewing installation comprising a sensor unit (read head 29) designed for the information to be read out of the storage medium (chip 28) and to be fed to an input of the control unit.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: July 23, 2002
    Assignee: Durkopp Adler Aktiengesellschaft
    Inventors: Hans Jürgen Wessel, Jochen Fischer