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

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Two speed gerotor motor with centrally located valve and commuta

Rotary expansible chamber devices – Multistage

Patent

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Two stage gas compressor

Rotary expansible chamber devices – Multistage – Sliding abutment

Patent

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Two stage rotary vane pump

Rotary expansible chamber devices – Multistage – Sliding vane

Patent

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Two stage scroll vacuum pump with improved pressure ratio...

Rotary expansible chamber devices – Multistage

Reexamination Certificate

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Two stage vacuum pump with shaft seal

Rotary expansible chamber devices – Multistage – Sliding vane

Patent

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Two stage vane type compressor

Rotary expansible chamber devices – Multistage – Sliding vane

Patent

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Two-cylinder type two-stage compression rotary compressor

Rotary expansible chamber devices – Multistage – Sliding abutment

Reexamination Certificate

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Two-shaft type rotary machine having a tip circle diameter to sh

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Patent

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Two-stage rotary compressor

Rotary expansible chamber devices – Multistage – Sliding abutment

Reexamination Certificate

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Two-stage screw auger pumping apparatus

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Patent

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Two-stage screw compressor

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Reexamination Certificate

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