Patents by Inventor Ulrich Grabenhorst

Ulrich Grabenhorst 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).

  • Fluidized bed reactor for particulate material
    Patent number: 4425303
    Abstract: A method of treating a particulate material in a fluidized bed reactor includes supplying a particulate material into a working space above at least one zone which is characterized by reduced passage of a fluidizing gas. A fluidizing bed reactor is designed so that its means for supplying a particulate material is arranged above at least one zone of the reduced passage of the fluidizing gas. The passage of the fluidizing gas in this zone can be completely prevented. Jalousie-shaped inserts are arranged above edges of the zone and have inclined surfaces.
    Type: Grant
    Filed: April 26, 1983
    Date of Patent: January 10, 1984
    Assignee: Bergwerksverband GmbH
    Inventors: Hans-Dieter Schilling, Ulrich Grabenhorst