Patents by Inventor Frank Groger

Frank Groger 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).

  • Cleaning method of sugarcane harvester, and sugarcane harvester operating according to it
    Patent number: 5953891
    Abstract: For cleaning a sugarcane harvester, a main blower is provided in a lower region of a cleaning chamber and has a vertical blowing out pipe, the blowing out pipe of the main blower faces both chopper rollers of a comminuting device, and a deviating blower is located above the chopper rollers for deviating a main cleaning air stream exiting the vertical blowing out pipe by substantially 90.degree. to direct the same to a discharge hood.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: September 21, 1999
    Assignee: Claas KGaA
    Inventors: Gunter Leigers, Frank Groger, Hillrich Otten