Patents by Inventor Tolke Heinz

Tolke Heinz 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).

  • Shaft pre-heater
    Patent number: 6918760
    Abstract: A shaft preheater to achieve an improved adaptation of layer height to particle size spectrum of material to be preheated. The shaft preheater includes a plurality of shafts for receiving lumpy material, an arrangement for filling the individual shafts with the lumpy material to be preheated and means for limiting the layer height in the shafts. The means for limiting the layer height include a needle valve and have an arrangement for coarse adjustment and an arrangement for fine adjustments.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: July 19, 2005
    Assignee: Polysius AG
    Inventors: Norbert Patzelt, Thomas Schmitz, Uwe Schuh, Wolfgang Schwab, Joachim Kudras, Tölke Heinz
  • Shaft pre-heater
    Publication number: 20040099658
    Abstract: The invention relates to a shaft preheater with a plurality of shafts for receiving lumpy material, an arrangement for filling the individual shafts with the lumpy material to be preheated and also means for limiting the layer height in the shafts. The means for limiting the layer height have an arrangement for coarse adjustment and an arrangement for fine adjustment.
    Type: Application
    Filed: February 19, 2003
    Publication date: May 27, 2004
    Inventors: Norbert Patzelt, Thomas Schmitz, Uwe Schuh, Wolfgang Schwab, Joachim Kudras, Tolke Heinz