Patents by Inventor Lutz T. Schneider

Lutz T. Schneider 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).

  • Grinding process and apparatus
    Patent number: 4927086
    Abstract: The invention relates to a grinding process and apparatus for the simultaneous production of at least two finished products of differing fineness using a ring mill. Pre-classification is carried out in the nozzle ring by adjusting the air to entrain and carry upwards relatively fine constituents. The coarser constituents are discharged downwardly by gravity and subsequently may be conveyed upwards by an elevator and subjected to a second classification in which at least a proportion is extracted as finished product.
    Type: Grant
    Filed: May 14, 1985
    Date of Patent: May 22, 1990
    Assignee: Krupp Polysius AG
    Inventors: Heinrich Henne, Karl-Heinz Dammertz, Lutz T. Schneider, Gotthard Blasczyk
  • Method and apparatus for the crushing of material
    Patent number: 4709864
    Abstract: The invention relates to a method and to apparatus for the crushing of material to be comminuted by means of a material bed roll mill, in which such material is forcibly delivered in a regulable mass flow to the roll gap. In this way even materials which tend to slip on the rolls can be crushed satisfactorily. It is also possible to keep the nature of the product constant over a wide range of variations in the throughput.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: December 1, 1987
    Assignee: Krupp Polysius AG
    Inventors: Heinrich Henne, Norbert Patzelt, Lutz T. Schneider, Osbert Knobloch, Manfred Muller