Patents by Inventor Inge Stockert

Inge Stockert 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 to detect and count yarn defects having a color background and a camera
    Patent number: 5420439
    Abstract: A process and device to detect and count yarn defects in a yarn segment including a camera (5), a computer (8) and an image processing program. The yarn (30) is illuminated with an intensity dependent upon the thickness of the yarn (30) and is photographed by the camera (5). The photographed image is digitalized in the computer with the image processing program and low-contrast points are filtered out. The remaining points are gathered together into coherent areas the sizes of which are classified into predetermined size classes and are stored.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: May 30, 1995
    Assignee: Rieter Ingolstadt Spinnereimaschinenbau Ag
    Inventors: Hans Landwehrkamp, Inge Stockert, A. A. Ball, Thorsten Buchner, Wolfgang Thierron, Sohrab Tabibi, Heinz Muller