Patents by Inventor Karl Appenzeller

Karl Appenzeller 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).

  • Plant for the thermal treatment of material and operation process thereof
    Patent number: 6901868
    Abstract: The plant for the thermal treatment of material, in particular scrap material, comprises at least a reaction zone within a rotary kiln having the longitudinal axis inclined of an angle in the range 0°±45° with regard to an horizontal plane and provided of first heating means and of at least a rotary screw having second heating means. The screw shaft is hollow and has, at least locally, apertures allowing the flow of gas from and/or into the reaction zone, a plurality of thermally conductive particles being movable within the reaction zone.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: June 7, 2005
    Assignee: Sea Marconi Technologies di Wander Tumiatti S.A.S.
    Inventors: Andreas Hornung, Henning Bockhorn, Karl Appenzeller, Carlo Maria Roggero, Wander Tumiatti
  • Plant for the thermal treatment of material and operation process thereof
    Publication number: 20040079262
    Abstract: The plant for the thermal treatment of material, in particular scrap material, comprises at least a reaction zone (10, 10a, 10b, 10c) within a rotary kiln (12) having the longitudinal axis inclined of an angle in the range 0°±45° with regard to an horizontal plane and provided of first heating means (14) and of at least a rotary screw (16) having second heating means (18). The screw shaft (20) is hollow and has, at least locally, apertures allowing the flow of gas from and/or into the reaction zone (10, 10a, 10b, 10c), a plurality of thermally conductive particles being movable within the reaction zone (10, 10a, 10b, 10c).
    Type: Application
    Filed: December 18, 2003
    Publication date: April 29, 2004
    Inventors: Andreas Hornung, Henning Bockhorn, Karl Appenzeller, Carlo Maria Roggero, Wander Tumiatti