Patents by Inventor Franz Piesch

Franz Piesch 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).

  • Harvester thresher with chopper
    Patent number: 5021028
    Abstract: A harvester thresher has a housing, several straw shakers located after the threshing device having a discharge end, a threshing and separating device having two lateral product outlet openings, a chopper having two opposite ends, and passages each connected with a respective one of the product outlet openings of the threshing and separating device and having an end located above a respective one of the ends of the chopper.
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: June 4, 1991
    Assignee: Claas Ohg
    Inventors: Hermann Kersting, Franz Piesch