Patents by Inventor Karl-Heinz Kreutzer

Karl-Heinz Kreutzer 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 for the simultaneous classification and regulated, continuous discharge of particulate material from fluidized bed reactors
    Patent number: 4946653
    Abstract: Particulate material is discharged continuously from fluidized bed reactors by passing the material emerging at the lowest point of the fluidized bed through a zone which is narrower than the fluidized bed and in which a gas stream flows counter-current to the material, the pressure of the gas stream being above the pressure of the fluidized zone.
    Type: Grant
    Filed: February 1, 1983
    Date of Patent: August 7, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Stopp, Karl-Heinz Kreutzer, Horst Karkossa, Karl Mannes, Hans-Joachim Laakmann, Viktor Trescher