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WO2014144113A2
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Fluid end with protected flow passages
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US3619722A
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Refrigeration protective system
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US3424442A
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Cooling tower water distributor
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US3352546A
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Cooling tower sump
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US3394736A
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Internal finned tube
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US3323587A
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Rolled plate type cooler
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US3339883A
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Pressure connection assembly
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US3199774A
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In-duct fan
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US3166120A
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Heating or cooling system for heat exchangers
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US2977103A
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Cooling tower structure
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US2847192A
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Tube supporting and spacing structure for heat exchangers
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US2929408A
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Fin construction
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US2739458A
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Heat pump system
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US2763995A
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Refrigeration circulation and method of oil return
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US2728206A
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System for handling condensate
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US2686353A
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Method of assembling tubes in spacer plates
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US2665059A
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Ventilating shim for fan shaft bearings and the like
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US2053239A
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Manufacture of heat exchange apparatus
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