Patents by Inventor Stefan Seemann

Stefan Seemann 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).

  • Method for regulating the roll gap pressure of a roller press
    Patent number: 9498779
    Abstract: A method for regulating the roll gap pressure of a roller press and a corresponding roller press. The roll gap pressure is regulated dependent on at least one oscillating movement that is measured on the roller press. This has the advantage that the roller press can always be operated at the maximum roller press efficiency without the roller press reaching the overload range.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: November 22, 2016
    Assignee: KHD Humboldt Wedag GmbH
    Inventors: Dieter Brendler, Meinhard Frangenberg, Hans-Peter Makulik, Stefan Seemann
  • METHOD FOR REGULATING THE ROLL GAP PRESSURE OF A ROLLER PRESS
    Publication number: 20140048634
    Abstract: A method for regulating the roll gap pressure of a roller press and a corresponding roller press. The roll gap pressure is regulated dependent on at least one oscillating movement that is measured on the roller press. This has the advantage that the roller press can always be operated at the maximum roller press efficiency without the roller press reaching the overload range.
    Type: Application
    Filed: March 23, 2012
    Publication date: February 20, 2014
    Applicant: KHD HUMBOLDT WEDAG GMBH
    Inventors: Dieter Brendler, Meinhard Frangenberg, Hans-Peter Makulik, Stefan Seemann
  • Recirculating grinding mill with external risers
    Patent number: 8210458
    Abstract: A recirculating grinding mill, including at least two rolling presses for comminuting the material to be ground, at least two first classifiers for classifying a coarse-grain fraction, at least one second classifier for classifying a fine-grain fraction and a medium-grain fraction from the fractions classified in the at least two first classifiers. The feedstock is fed into the recirculating grinding mill passing the at least two rolling presses and the at least two first classifiers and then the at least one second classifier and the medium-grain fraction and the coarse fraction of the at least two first classifiers being fed once again to the rolling presses, and the at least two first classifiers being arranged underneath the at least two rolling presses. The rolling presses are placed between at least two risers for transporting the circulating material being ground.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: July 3, 2012
    Assignee: KHD Humboldt Wedag GmbH
    Inventors: Siegfried Strasser, Stefan Seemann
  • RECIRCULATING GRINDING MILL WITH EXTERNAL RISERS
    Publication number: 20110204170
    Abstract: A recirculating grinding mill, including at least two rolling presses for comminuting the material to be ground, at least two first classifiers for classifying a coarse-grain fraction, at least one second classifier for classifying a fine-grain fraction and a medium-grain fraction from the fractions classified in the at least two first classifiers. The feedstock is fed into the recirculating grinding mill passing the at least two rolling presses and the at least two first classifiers and then the at least one second classifier and the medium-grain fraction and the coarse fraction of the at least two first classifiers being fed once again to the rolling presses, and the at least two first classifiers being arranged underneath the at least two rolling presses. The rolling presses are placed between at least two risers for transporting the circulating material being ground.
    Type: Application
    Filed: April 8, 2009
    Publication date: August 25, 2011
    Applicant: KHD HUMBOLDT WEDAG GMBH
    Inventors: Siegfried Strasser, Stefan Seemann