US Patent 7534011 Lighting apparatus

A lighting apparatus that includes an outer housing defining an intake vent and an exhaust vent, an inner housing disposed within the interior of the outer housing, and an air path defined between the outer housing and the inner housing. The outer housing includes a cover, a top and a plurality of side walls that define the interior, and the inner housing includes a top and a plurality of side walls that correspond to the top and plurality of side walls of the outer housing. The air entering the outer housing through the intake vent travels along the air path and exits the outer housing through the exhaust vent.