Patents by Inventor Werner Schlaefer

Werner Schlaefer 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 and sewing unit for sewing a flap and a pocket on a fabric part
    Patent number: 5970896
    Abstract: To sew presewn flaps (P) on a fabric part (W), the flap (P) is positioned in its later position of use in a movable fabric holder of a sewing unit, and it partially overlaps a pocket (T) to be sewn on the fabric part (W). After the workpiece parts (W, P, T) have been fed to the sewing machine, the flap (P) is first connected to the fabric part (W) by a seam (N1). The part of the flap (P) overlapping the pocket (T) is then folded over and the pocket (T) is then connected by a seam (N2) to the fabric part (W).
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: October 26, 1999
    Assignee: G.M. Pfaff Aktiengesellschaft
    Inventors: Axel Zinssmeister, Werner Schlaefer