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US4687604A
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Floor pan for evaporative coolers
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US4673537A
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Trap for the sump drain of an evaporative cooler
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US4672820A
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Evaporative cooler pad assembly
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US4657709A
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Water distribution trough for evaporative cooler pad
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US4400185A
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Evaporative cooler with improved air handling mechanism
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US4361522A
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Automatic flushing and draining apparatus for evaporative coolers
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US4333887A
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Automatic flushing and draining apparatus for evaporative coolers
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US4289713A
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Automatic flushing and draining reservoir apparatus for evaporative coolers
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US4255361A
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Automatic flushing and draining reservoir apparatus for evaporative coolers
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US4192832A
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Automatic flushing and draining reservoir apparatus for evaporative coolers
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US4199302A
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Centrifugal blower having improved structure for mounting of rotor assembly
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US4200599A
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Moisture entrainment baffle for evaporative coolers
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US4132087A
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Air conditioning assembly
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US4237859A
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Thermal energy storage and utilization system
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US4080410A
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Evaporative cooler construction
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US3979963A
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Adjustable V belt pulley
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US4045523A
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Evaporative cooler with superimposed disposable pad assemblies
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US4049150A
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Pan structure
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US3960527A
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Air delivery and treatment apparatus
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CA977286A
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Acoustical speaker mounting means
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