Patents by Inventor Walter Schurhoff

Walter Schurhoff 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 and apparatus for dewatering granulated material, especially granulated blast furnace slag
    Patent number: 4196078
    Abstract: Method and apparatus for dewatering granulated material, particularly blast furnace slag that has been granulated by quenching hot slag. The quenched material is dewatered in a bucket wheel whose scoops have perforated bottoms. The solids from the wheel are discharged onto a continuous conveyor; while the liquid is passed along an inclined filter and then clarified and reused. Various filter and clarifier constructions are disclosed.
    Type: Grant
    Filed: November 14, 1978
    Date of Patent: April 1, 1980
    Inventors: Erich Muller-Spath, Konrad Muller, Heinz Kister, Walter Schurhoff, Friedrich W. Hillnhutter, Walter Laucht