Patents by Inventor Heinrich Dropmann

Heinrich Dropmann 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 cyclically screening a working chamber opening and a screening device for carrying out the method
    Patent number: 9586302
    Abstract: A method and apparatus for cyclically shielding a work chamber opening (25) when loading and unloading workpieces using a conveyor device (10) that passes through the work chamber opening. A first shielding element (21) is placed at a workpiece loading station (11.1), and a second shielding element (22) is placed behind a second workpiece placement location (11.2), as viewed in the conveying direction. When the first workpiece is loaded into the work chamber (20), the first shielding element (21) is placed at or in the work chamber opening (25) by advancing the conveyor device (10). The first shielding element (21) is then removed from the work chamber opening (25) and placed behind the second shielding element (22). These steps are repeated with subsequent workpiece placement locations (11.2, 11.3, . . . ) of the conveyor device (10) and with respective cross-over changes of the shielding elements (21, 22).
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: March 7, 2017
    Assignee: WHEELABRATOR GROUP GmbH
    Inventors: Berthold Kampen, Josef Artmann, Heinrich Dropmann
  • METHOD FOR CYCLICALLY SCREENING A WORKING CHAMBER OPENING AND A SCREENING DEVICE FOR CARRYING OUT THE METHOD
    Publication number: 20140311855
    Abstract: A method and apparatus for cyclically shielding a work chamber opening (25) when loading and unloading workpieces using a conveyor device (10) that passes through the work chamber opening. A first shielding element (21) is placed at a workpiece loading station (11.1), and a second shielding element (22) is placed behind a second workpiece placement location (11.2), as viewed in the conveying direction. When the first workpiece is loaded into the work chamber (20), the first shielding element (21) is placed at or in the work chamber opening (25) by advancing the conveyor device (10). The first shielding element (21) is then removed from the work chamber opening (25) and placed behind the second shielding element (22). These steps are repeated with subsequent workpiece placement locations (11.2, 11.3, . . . ) of the conveyor device (10) and with respective cross-over changes of the shielding elements (21, 22).
    Type: Application
    Filed: November 5, 2012
    Publication date: October 23, 2014
    Inventors: Berthold Kampen, Josef Artmann, Heinrich Dropmann