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Apparatus for reducing pressure pulsations

Rotary expansible chamber devices – Combined
Patent

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Fluid machine having a pair of rotors and a silencer

Rotary expansible chamber devices – Combined
Reexamination Certificate

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Flushable metering pump

Rotary expansible chamber devices – Combined
Patent

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Gear pump with noise attenuation

Rotary expansible chamber devices – Combined
Patent

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Hydraulic pump with foamed elastomeric member in outlet chamber

Rotary expansible chamber devices – Combined
Patent

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Hydraulically operated rotary vibrator

Rotary expansible chamber devices – Combined
Patent

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Method and apparatus for pumping viscous material

Rotary expansible chamber devices – Combined
Patent

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Motor-driven hydraulic gear pump having a noise damper

Rotary expansible chamber devices – Combined
Patent

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Noise reduced liquid sealed compressor

Rotary expansible chamber devices – Combined
Patent

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Pneumatic motor with muffled exhaust

Rotary expansible chamber devices – Combined
Patent

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Roots blower having zigzag meandering grooves in the casing inne

Rotary expansible chamber devices – Combined
Patent

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Rotary pump with cutting means

Rotary expansible chamber devices – Combined
Patent

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Rotary screw compressor with inlet chamber

Rotary expansible chamber devices – Combined
Patent

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Screw rotor machine with De Laval nozzle for noise reduction

Rotary expansible chamber devices – Combined
Patent

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Sealed compressor having pipe connectors and method of joining p

Rotary expansible chamber devices – Combined
Patent

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Sound reduced rotary vane compressor

Rotary expansible chamber devices – Combined
Reexamination Certificate

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Spinning pump having an adapter with a radial groove

Rotary expansible chamber devices – Combined
Patent

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Vane motor with brake

Rotary expansible chamber devices – Combined
Patent

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