US 12,448,768 B2
Multi-channel drain cover
Joshua A. Ritger, Waukesha, WI (US); and David R. Gebhardt, Milwaukee, WI (US)
Assigned to InPro Corporation, Muskego, WI (US)
Filed by InPro Corporation, Muskego, WI (US)
Filed on Nov. 29, 2023, as Appl. No. 18/523,086.
Prior Publication US 2025/0171995 A1, May 29, 2025
Int. Cl. E03F 5/04 (2006.01); E03C 1/26 (2006.01)
CPC E03F 5/0407 (2013.01) [E03C 1/26 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A multi-channel, ligation resistant drain cover having a top side and a bottom side, the cover comprising:
a top plate including a top surface, a bottom surface, a periphery, a first interior fluid flow opening extending between the top surface and the bottom surface, and a first exterior fluid flow opening extending between the top surface and the bottom surface and located between the interior fluid flow opening and the periphery;
an exterior fluid guide wall extending from the bottom surface between the periphery and the exterior fluid flow opening;
an intermediate fluid guide wall extending from the bottom surface between the interior and exterior flow openings, the exterior and intermediate fluid guide walls being located to form a curved exterior fluid flow channel extending from the top surface, through the exterior fluid flow opening and exiting at the bottom side of the cover at an exterior exit;
an interior fluid guide wall extending from the bottom surface and cooperating with the intermediate fluid guide wall to form a curved interior fluid flow channel separate from the exterior fluid flow channel and extending from the top surface, through the interior fluid flow opening and exiting at the bottom side of the cover at an interior exit separate from and displaced from the exterior exit;
a first diverter wall extending at a first angle from the exterior fluid guide wall, the first diverter wall displaced from the bottom surface of the top plate such that the exterior fluid guide wall is positioned between the first diverter wall and the bottom surface;
a second diverter wall extending at a second angle from the intermediate fluid guide wall, the second diverter wall displaced from the bottom surface of the top plate such that the intermediate fluid guide wall is positioned between the second diverter wall and the bottom surface; and
a first bonding material and a second bonding material;
wherein the first diverter wall is a separate component from the top plate and the exterior fluid guide wall, the first diverter wall being coupled to the exterior fluid guide wall by the first bonding material;
wherein the second diverter wall is a separate component from the top plate and the intermediate fluid guide wall, the second diverter wall being coupled to the intermediate fluid guide wall by the second bonding material; and
wherein the first diverter wall includes a protruding edge, the protruding edge extending into the curved exterior fluid flow channel and away from the bottom side of the cover such that a surface of the exterior fluid guide wall that forms the curved exterior fluid flow channel curves toward the top surface of the cover.