Patents by Inventor Calvin J. Dyke

Calvin J. Dyke 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).

  • Rotor for a combine
    Patent number: 4136704
    Abstract: A rotor for an axial flow type combine has a generally cylindrical main body portion with a pair of rasp bars mounted longitudinally thereon. The forward portion of each of the rasp bars is inclined outwardly and rearwardly to provide an infeed spacing between the forward portion of the rotor and associated concave which will accommodate abnormal masses of crop material and function to thin out these masses prior to further axial movement of the crop material rearwardly into the threshing and separating region of the rotor.
    Type: Grant
    Filed: February 19, 1976
    Date of Patent: January 30, 1979
    Assignee: Sperry Rand Corporation
    Inventor: Calvin J. Dyke