LandOfFree - US Patents - Listing for Rotary expansible chamber devices,Multistage

Rotary expansible chamber devices – Multistage – Sliding abutment

Multistage compression type rotary compressor

Rotary expansible chamber devices – Multistage – Working fluid engages working member serially in...

Multistage discharge type rotary vacuum pump

Rotary expansible chamber devices – Multistage

Multistage helical down-hole machine with frictional coupling of

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Multistage pump and method for assembling the pump

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Multistage roots-type vacuum pump

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Multistage rotary piston vacuum pump having sleeves to fix shaft

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Multistage vacuum pump with bore for fouling removal

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Multistage vacuum pump with interstage solid material collector

Rotary expansible chamber devices – Multistage – Sliding vane

Oil flow metering structure for oil sealed mechanical vacuum van

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Oil-free rotary compressor

Rotary expansible chamber devices – Multistage – Sliding abutment

Plural-stage gas compressor

Rotary expansible chamber devices – Multistage – One working chamber stage encircles another

Pneudraulic rotary pump and motor

Rotary expansible chamber devices – Multistage – Sliding abutment

Power-variable compressor and air conditioner using the same

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Pressure seal for a vacuum pump

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Pump for hot and cold fluids

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Recirculating rotary gas compressor

Rotary expansible chamber devices – Multistage – Sliding vane

Roller van motor with fluid biassed roller

Rotary expansible chamber devices – Multistage – One working chamber stage encircles another

Rolling piston compressor

Rotary expansible chamber devices – Multistage

Roots pump