Patents by Inventor Heinz Skaletz

Heinz Skaletz 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).

  • Rotary drum screen for waste material and its method of operation
    Patent number: 4509697
    Abstract: A rotary drum screen which exhibits baffles with impact plates extending in the direction of the periphery and a diameter which makes it possible to break up the refuse beforehand through free fall. The upper edge of the impact plates can have a saw tooth contour and the cross section of the drum casing is a polygon, preferably an octagon. The rotary drum screen rotates at a rotational speed such that the centrifugal acceleration at the drum casing is preferably 50-70% of acceleration due to gravity.
    Type: Grant
    Filed: May 20, 1982
    Date of Patent: April 9, 1985
    Assignee: Mannesmann Veba Umwelttechnik GmbH
    Inventors: Hanns-Helmut Riemann, Hans Sonnenschein, Heinz Skaletz