Patents by Inventor Willard Clark

Willard Clark 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).

  • Chicken manure processing apparatus
    Patent number: 6766592
    Abstract: A manure processing apparatus which has a circular processing bin and a plurality of augers, with the augers arranged vertically and adapted to move in a circular path within the processing bin, and to raise and mix the manure continuously. The apparatus further comprises an air conditioning system to compost the manure and to dry the manure to produce feed.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: July 27, 2004
    Inventor: Willard Clark
  • Chicken manure processing apparatus
    Patent number: 6560895
    Abstract: A manure processing apparatus is defined which has a processing bin and a plurality of augers, with the augers arranged vertically and adapted to move back and forth along the length and width of the processing bin. The apparatus further comprises an air conditioning system to compost the manure and to dry the manure to produce feed.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: May 13, 2003
    Inventor: Willard Clark