Patents by Inventor Everett A. Hartman

Everett A. Hartman 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: 5976011
    Abstract: A straw and chaff spreading assembly consisting of a left spreader plate having a plurality of spreader fins fixedly attached thereto, a right spreader plate, having a plurality of spreader fins fixedly attached thereto, left spreader plate rotating means capable of rotatably mounting and upwardly angularly accelerating the left spreader plate, right spreader plate rotating means capable of rotatably mounting and downwardly angularly accelerating the right spreader plate; and, an oblongated straw and chaff deflecting shield fixedly mounted upon the rearward end of the harvester combine and positioned forward of the axes of rotation of the left and right spreader plates.
    Type: Grant
    Filed: December 31, 1997
    Date of Patent: November 2, 1999
    Inventor: Everett A. Hartman