Patents by Inventor John Buchena

John Buchena 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).

  • Patent number: 8042817
    Abstract: A self-propelled, dirigible agricultural vehicle includes a height-adjustable chassis with an axle and a driven wheel hub. The axle is shiftable between a normal clearance position above the wheel hub and a relatively higher elevated clearance position. The chassis further includes a kingpin and a spacer section that is removably connectable to the kingpin. The axle is in the normal clearance position when the spacer is removed from the kingpin and is in the elevated clearance position when the spacer is connected to the kingpin.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: October 25, 2011
    Assignee: AGCO Corporation
    Inventors: Vijay W. Motebennur, James Slawson, John Buchena