Patents by Inventor Hubert Wiegelmann

Hubert Wiegelmann 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).

  • Dual-disk fertilizer spreader
    Patent number: 4725005
    Abstract: The invention concerns a dual-disk fertilizer spreader with two rotationally offset centrifugal disks that are equipped on their top side with followers, each displaying a vertical guide surface directed radially from the center of the centrifugal disk to the periphery of the centrifugal disk and a horizontal guide surface aligned in the direction of rotation of the centrifugal disk, with means being provided in the region of the vertical guide surface that separate and/or conduct the stream of fertilizer in other directions than that of the vertical guide surface.
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: February 16, 1988
    Assignee: Accord-Landmaschinen Heinrich Weistre & Co. GmbH
    Inventor: Hubert Wiegelmann