Patents by Inventor Heinz-Ernst Luben

Heinz-Ernst Luben 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).

  • Feed channel for cylindrical workpieces
    Patent number: 4264267
    Abstract: A feed channel for feeding elongated cylindrical workpieces longitudinally includes a channel bottom portion on which the workpieces are deposited from above. Flexible bands extend transversely across the channel bottom portion for receiving workpieces moving downwardly toward the channel bottom portion and then lowering the workpieces onto the channel bottom portion. The bands are movable between an upper workpiece supporting position spaced above the channel bottom portion and a lower workpiece releasing position in which a workpiece is released from the bands and supported on the channel bottom portion.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: April 28, 1981
    Assignee: Th. Kieserling & Albrecht
    Inventor: Heinz-Ernst Luben