Patents by Inventor Walter Syben

Walter Syben 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).

  • Apparatus for extracting foreign bodies and heavy parts from fiber material
    Patent number: 4431530
    Abstract: An apparatus for separating a desired, relatively light fibrous fraction from admixture with foreign bodies, such as sheaths, metal parts, plastic parts and the like and having parts, such as stems, rind remnants, leaf parts and the like. The apparatus comprises structure which causes separation by gravity and which conveys the mixture past a separation location and floats the relatively light fibrous fraction from the mixture in an upwardly directed air stream.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: February 14, 1984
    Assignee: Trutzschler GmbH & Co. KG
    Inventor: Walter Syben