US2502137A
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Apparatus and method for cleaning and humidifying gaseous fluids such as air
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US2431389A
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Apparatus for humidifying and cleaning gaseous fluids such as air
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US2459802A
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Air-conditioning apparatus
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US2429265A
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Apparatus for humidifying and cleaning gaseous fluids such as air
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US2356757A
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Air conditioning apparatus
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US2139675A
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Air conditioning apparatus
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US2149593A
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Air conditioning apparatus
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US2124291A
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Method of air conditioning
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US2054809A
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Air conditioning method and means
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US2147248A
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Adsorption system of air conditioning
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US2124290A
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Air conditioning system
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US2041056A
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Method for treating hygroscopic materials at subatmospheric pressures
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US2021772A
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Method of cooling bread
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US1970296A
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Air conditioner
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US2077554A
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Air conditioning apparatus
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US1991976A
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Conditioning unit
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US1988076A
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Conditioning unit
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US1566388A
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Bakery proof box
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US1539555A
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Built-in duct for bakeries' proof boxes
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US1512461A
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Method for desiccation
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