Patents by Inventor Delwin G. Woerman

Delwin G. Woerman 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: 3939916
    Abstract: The apparatus for cleaning tuberous plants of this invention comprises a frame, a plurality of digging wheels fastened on the lowermost side of a suitable horizontal framing member at the forwardmost terminal end of the frame, a disk-renk, a belt-renk subassembly, and a discharging subassembly. The disk-renk may include a multiplicity of pentagonally shaped plates fastened on a suitable shaft. The belt-renk subassembly may include a elevating conveyer operable to elevate and to move rearwardly tubers discharged from the disk-renk and a belt-renk disposed parallel to, and substantially beneath, the elevating conveyer, and a upwardly inclined chain conveyer-like belt inclined from its forwardmost terminal end to its rearwardmost terminal end. The chain conveyer-like belt is driven in an upwardly inclined, rearward direction.
    Type: Grant
    Filed: May 19, 1972
    Date of Patent: February 24, 1976
    Inventors: Delwin G. Woerman, David G. Johnson, Donald F. Murphy