Patent ID: 7484506

Claim:
A grease containment system comprising a grease collection pan having (i) a pan volume surrounded by (a) a pan floor, (b) at least one pan side wall, and (c) a pan support rim extending outward from an outer upper edge of the at least one pan side wall and being integrally connected to the outer upper edge of the at least one pan side wall in a stationary position relative to the outer upper edge of the at least one pan side wall, said pan support rim having a lower pan support rim surface, an upper pan support rim surface, and a width extending along an outer periphery of the grease collection pan, (ii) at least one pan drain outlet, and (iii) a first pan opening positioned in the pan floor, wherein the first pan opening has a size and shape so that a first grease duct extending through a roof structure can extend through the first pan opening, further comprising a roof curb (i) extending upward from the roof structure, (ii) positioned a clearance distance from the first grease duct and the first pan opening, and (iii) having a roof curb upper periphery, said grease collection pan being positioned on the roof curb so that the lower surface of the pan support rim rests on and is supported by the roof curb upper periphery of the roof curb.