US 7,491,265 B1
Cover for animal waste collection area
Dennis J. Johnson, 1890 Red Leaf Ct., Windom, Minn. 56101 (US); and Matthew W. Johnson, 1890 Red Leaf Ct., Windom, Minn. 56101 (US)
Filed on Jun. 17, 2005, as Appl. No. 11/155,669.
Int. Cl. B01D 53/02 (2006.01)
U.S. Cl. 96—121  [96/134; 55/385.2; 55/511; 119/450] 15 Claims
OG exemplary drawing
 
1. An animal waste collection area with liquid animal waste collected therein and having a plurality of buoyant cover members floating on the surface of the animal waste, each cover member adapted to confine gaseous emissions from animal waste in the waste collection area and comprising a waste-contacting base contacting and floating on the surface of the animal waste and a sloping cover to slough animal waste falling on the cover member into the waste collection area.