US1854778A
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Reversible absorption or adsorption refrigerating apparatus
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Hydropneumatic liquid raising plant
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US1743653A
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Apparatus for rarefying gases
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Absorption refrigerating apparatus
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Refrigerating apparatus
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US1628026A
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Hydraulic air-inspiring plant
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US1696792A
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Apparatus for raising liquids
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Apparatus for raising liquids
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Hydraulic air-compression plant
|
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Air-lift pump
|
US1651749A
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Injector apparatus for compressing gases
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Means for utilizing tidal energy
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US1585529A
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Hydraulic governor for engines, turbines, and the like
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