Patents by Inventor Gert Haisch

Gert Haisch 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).

  • Two-needle overedge sewing machine with apparatus for sewing in thread chain
    Patent number: 4831947
    Abstract: A device for a two-needle overedge sewing machines for sewing in a thread chain. The device has a pair of needles, and a pair of slots in a needle plate for the needles. The device further has a pair of stitch formation tongues, and a directing mechanism in order to guide the thread chain into a needle hole slot between one of the stitch formation tongues.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: May 23, 1989
    Assignee: Union Special G.m.b.H
    Inventor: Gert Haisch