Patents by Inventor Alfred W. Korf

Alfred W. Korf 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: 4869327
    Abstract: A reversible one-way disk plow is described which includes a frame with transport wheels and an arcuate track secured to the frame. An elongated disk plow is pivotably supported under the frame, and a plurality of gauge wheels are carried by the frame. The plow can be selectively pivoted between first and second positions relative to the longtiudinal centerline of the frame. Hydraulic cylinders are used to pivot the disk plow, raise and lower the transport wheels, and raise and lower the gauge wheels.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: September 26, 1989
    Inventor: Alfred W. Korf