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US2653443A
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Thermal power generation
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Equipressure vapor generator and method of operating same
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Apparatus for removing dust from gases
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Apparatus for converting reciprocating motion to rotary motion
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Oscillating fluid pressure machine
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Vapor generator
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Check valve
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Free piston engine compressor
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Balanced double-acting engine
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Steam boiler supplied with combustion gases at elevated pressure
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Machine having free pistons and cylinders without mechanical connecting-rod-crank couplings
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Multiple slide valve and operator therefor
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Vapor and gas power plant utilizing equipressure vapor generator
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Obturator or valve
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Free-piston compressor
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Apparatus for removing dust from gases
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Oscillating fluid pressure machine
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Multicylinder free piston machine
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