Patents by Inventor Gottfried Marienfeld

Gottfried Marienfeld 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).

  • Patent number: 4363586
    Abstract: A bunker discharge apparatus, especially for bulk material. The apparatus includes conveyor elements having a ladder form or shape and extending parallel to each other and movable back and forth, by way of a drive, in the conveying or feeding direction. The elements include rungs or crossbars arranged transverse to the conveying direction and wedge-shaped in cross section. The crossbars have a stroke or pusher surface at right angles in the conveyor direction to shear and push bulk material to discharge; counter to the conveying direction, the crossbars have a flat-inclined wedge surface which returns to starting location with minimum displacement of bulk material. A drop-out or discharge connection or connecting piece having a conveying element and arranged at right angles is provided below the ladder-formed conveying elements.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: December 14, 1982
    Assignee: Schwabische Huttenwerke Gesellschaft mit beschrankter Haftung
    Inventors: Hans Gessler, Gottfried Marienfeld