Patents by Inventor Haus-Eugen Hacker

Haus-Eugen Hacker 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: 4862566
    Abstract: An auxiliary device for a seam weaving machine for joining the ends of flat-woven fabrics by a woven seam couples each auxiliary warp thread to a tensioning string. The auxiliary device includes a barbed needle in a guide sleeve with the barbed needle having at one end a barb for seizing an auxiliary warp thread and holding it between the needle and the sleeve. The needle is connected at the other end to a tensioned string. A storage plate is provided having bores for receiving the coupling devices.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: September 5, 1989
    Assignee: Hermann Wangner GmbH & Co., KG
    Inventor: Haus-Eugen Hacker