Patents by Inventor Carl A. Burk

Carl A. Burk 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: 6539697
    Abstract: Apparatus and method for crushing plant residue remaining in a farm field following the crop harvest comprising a main frame moveable in a forward path, a yieldable residue knock-down drape suspended on the frame for knocking the plant residue to the ground and breaking the upstanding plant residue apart from its underground roots as the frame forwardly moves, and a transversely disposed residue crushing roller mounted on the frame rearwardly of the knock-down drape for crushing spaced-apart portions of the knock-down residue into a plurality of smaller crop residue segments.
    Type: Grant
    Filed: February 22, 2001
    Date of Patent: April 1, 2003
    Inventor: Carl A. Burk
  • Publication number: 20020112461
    Abstract: Apparatus and method for crushing plant residue remaining in a farm field following the crop harvest comprising a main frame moveable in a forward path, a yieldable residue knock-down drape suspended on the frame for knocking the plant residue to the ground and breaking the upstanding plant residue apart from its underground roots as the frame forwardly moves, and a transversely disposed residue crushing roller mounted on the frame rearwardly of the knock-down drape for crushing spaced-apart portions of the knock-down residue into a plurality of smaller crop residue segments.
    Type: Application
    Filed: February 22, 2001
    Publication date: August 22, 2002
    Inventor: Carl A. Burk