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GB127154A
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Improvements in Means for Utilizing Tidal Action.
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US1281280A
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Electric furnace.
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GB103751A
|
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Improved Hydraulically-operated Valve System.
|
|
GB191508357A
|
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Improvements in and relating to Rotary Machines for Operating on Fluids.
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CA260090A
|
|
Hydraulic air compression plant
|
|
CA229777A
|
|
Hydraulic governor for engines
|
|
CA275361A
|
|
Refrigerating apparatus
|
|
CA288945A
|
|
Refrigerating apparatus
|
|
CA266204A
|
|
Gas injector
|
|
CA275360A
|
|
Refrigerating apparatus
|
|
CA313884A
|
|
Reversible absorption or adsorption refrigerating apparatus
|
|
CA252686A
|
|
Means for utilizing tidal energy
|
|
CA275362A
|
|
Refrigerating apparatus
|
|
CA263864A
|
|
Liquid raising apparatus
|
|
CA275763A
|
|
Apparatus for raising liquids
|
|
CA265779A
|
|
Hydraulic air-inspiring plant
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