Patents by Inventor Edward E. Laughbaum

Edward E. Laughbaum 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).

  • Material treatment and windrowing apparatus
    Patent number: 4397674
    Abstract: Self-propelled windrowing apparatus having a forward material treatment housing carrying an elevating structure formed as a drum carrying a plurality of pivotal flails. The flails serve to shred and aerate biodegradable waste and elevate it to a collection auger which manipulates the elevated material to a transfer conveyor mounted within the chassis of the apparatus. The transfer conveyor moves the material to a pivotal windrowing conveyor mounted rearwardly of the apparatus which serves to form symmetrical windrow piles of material.
    Type: Grant
    Filed: November 20, 1981
    Date of Patent: August 9, 1983
    Assignee: Bancohio National Bank
    Inventor: Edward E. Laughbaum