Patents by Inventor Harald Grossjohann

Harald Grossjohann 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).

  • Sieve with different louvers
    Patent number: 7399223
    Abstract: The invention refers to a screen for a cleaning device of a harvester-thresher, with a screen frame, on which several screen metal sheets are supported so they can rotate around an axis, and with at least one air conducting surface, which protrudes downward beyond the screen frame, to deflect an air flow present below the screen during operation upward to the screen metal sheets. The air conducting surface may be movable jointly with the screen metal sheets.
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: July 15, 2008
    Assignee: Deere & Company
    Inventors: Dirk Weichholdt, Harald Grossjohann
  • Sieve with different louvers
    Publication number: 20060287019
    Abstract: The invention refers to a screen for a cleaning device of a harvester-thresher, with a screen frame, on which several screen metal sheets are supported so they can rotate around an axis, and with at least one air conducting surface, which protrudes downward beyond the screen frame, to deflect an air flow present below the screen during operation upward to the screen metal sheets. The air conducting surface may be movable jointly with the screen metal sheets.
    Type: Application
    Filed: June 13, 2006
    Publication date: December 21, 2006
    Inventors: Dirk Weichholdt, Harald Grossjohann
  • Crop discharge spout arrangement of an agricultural harvesting machine
    Patent number: 6939222
    Abstract: A discharge spout arrangement of an agricultural harvesting machine through which harvested crop processed by the harvesting machine can be transported to a transport vehicle. The discharge spout arrangement includes a first spout element connected with the harvesting machine. A second spout element is mounted to and defines an extension the first spout element. The second spout element is slidably movable between fully retracted and extended positions respectively wherein a discharge end of the second spout element is spaced a minimum and a maximum distance from a discharge end of said first spout element.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: September 6, 2005
    Assignee: Deere & Company
    Inventors: Harald Grossjohann, Laurent Bissen
  • Crop discharge spout arrangement of an agricultural harvesting machine
    Publication number: 20030217539
    Abstract: Disclosed is a discharge spout arrangement of an agricultural harvesting machine through which harvested crop processed by the harvesting machine can be transported to a transport vehicle. The discharge spout arrangement includes a first spout element connected with the harvesting machine. A second spout element is mounted to and defines an extension the first spout element. The second spout element is slidably movable between fully retracted and extended positions respectively wherein a discharge end of the second spout element is spaced a minimum and a maximum distance from a discharge end of said first spout element.
    Type: Application
    Filed: March 14, 2003
    Publication date: November 27, 2003
    Inventors: Harald Grossjohann, Laurent Bissen