Patents by Inventor Earl W. Kloefkorn

Earl W. Kloefkorn 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: 4271660
    Abstract: This is a combine conveyor apparatus having a combine auger conveyor apparatus of this invention mounted on a conventional combine structure. The combine auger conveyor apparatus includes a feeder auger conveyor assembly which transfers cut wheat or the like to a feeder slat conveyor assembly which, in turn, conveys the cut material into a threshing cylinder assembly. The feeder auger conveyor assembly is known in the prior art having spiral flights on a cylindrical support driven to move the material to the center thereof and having a central auger retractable finger assembly to move the material into the feeder slat conveyor assembly. The feeder slat conveyor assembly includes a first sprocket assembly connected by a feeder chain and slat assembly to a second sprocket assembly.
    Type: Grant
    Filed: September 28, 1979
    Date of Patent: June 9, 1981
    Inventors: Melvin L. Kloefkorn, Earl W. Kloefkorn, deceased, by Marvin V. Green, administrator
  • Patent number: 3967719
    Abstract: This invention comprises novel combine conveyor means having novel transverse slat or flight means adapted to engage and drag fresh cut unthreshed grain along at a uniform velocity and then eject the same at an increased velocity at an exit end of the conveyor means while the velocity of the conveyor means remains the same, and the transverse slat means being formed with recesses in grain engaging edge portion means thereof or formed with a plurality of trailing fingers for providing a stripping action on the grain as the grain is transferred from an auger to a conveyor and from the conveyor to a threshing cylinder.
    Type: Grant
    Filed: January 4, 1973
    Date of Patent: July 6, 1976
    Inventors: Earl W. Kloefkorn, Melvin L. Kloefkorn
  • Patent number: D258500
    Type: Grant
    Filed: December 20, 1977
    Date of Patent: March 10, 1981
    Inventors: Earl W. Kloefkorn, deceased, by Melvin L. Kloefkorn, heir