Patents by Inventor Donald Paul Keller

Donald Paul Keller 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).

  • AGRICULTURAL HARVESTER WITH CONVEYOR BELT SYSTEM
    Publication number: 20200390037
    Abstract: An agricultural harvester may have a conveyor belt system that facilitates delivery of harvested crops from one or more heads to a storage region of the agricultural harvester. The conveyor belt system may have a first conveyor belt, a second conveyor belt disposed a distance from the first conveyor belt, and a third conveyor belt that may provide harvested crops to a region between the first conveyor belt and the second conveyor belt. The first conveyor belt and the second conveyor belt may rotate in opposite directions to facilitate delivery of the harvested crops to the storage region.
    Type: Application
    Filed: June 11, 2019
    Publication date: December 17, 2020
    Inventor: Donald Paul Keller