Patents by Inventor Ferdinand Hellenbrand

Ferdinand Hellenbrand 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).

  • Drive system for a crop conveying device
    Publication number: 20060229119
    Abstract: In a method and a device for driving a crop conveying unit composed substantially of at least one pan with at least one sieve the pen and receive are hung in an oscillation-facilitating manner in a machine housing, at least one oscillation-reducing drive unit is provided, drive unit is formed by a linearly-oscillation unit, and the drive unit is controlled via a change in a parameter selected from the group consisting of frequency, stroke, and both.
    Type: Application
    Filed: April 11, 2006
    Publication date: October 12, 2006
    Inventors: Heiner Wamhof, Ferdinand Hellenbrand