Patents by Inventor Donavon G. Koehn

Donavon G. Koehn 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: 7399153
    Abstract: A simple agricultural big bale loader, retriever, and transporter provides an efficient tool that should save time and labor costs over other existing loaders. The invention permits a novel lifting, rotating, and depositing of a big bale from the ground in the field onto and across an elevating and flipping receiving table, consolidating of a plurality of the lifted bales into two-high or three-high layers of bales on a stack carriage bed, transporting of the bales to a storage location, tilting of the carriage bed downward at the rear and upward at the front approximately 90 degrees, and depositing of the stack at the storage location.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: July 15, 2008
    Inventors: Christopher R. Koehn, Donavon G. Koehn