Patents by Inventor Olav Birlem

Olav Birlem 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: 6175408
    Abstract: An apparatus detects foreign substances in strand-like textile material, such as slivers or yarn, using a white-light LED. The color detection is effected over more than two color support points whereby the detection of foreign substances in the textile material is improved. The apparatus is preferably operated in combination with a yarn cleaner in spinning or bobbin winding machines.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: January 16, 2001
    Assignee: W. Schlafhorst AG & Co.
    Inventors: Herbert Henze, Olav Birlem