LandOfFree - US Patents - Listing for Rotary expansible chamber devices

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Screw fluid machine with high efficiency bore shape

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing

Patent

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Screw having a V-shaped groove profile for cooperating with a pi

Rotary expansible chamber devices – Interengaging rotating members – Non-parallel axis

Patent

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Screw housing for a screw machine

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone

Patent

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Screw machine

Rotary expansible chamber devices – With wear surface treatment or integrally plated wear layer

Reexamination Certificate

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Screw machine

Rotary expansible chamber devices – With wear surface treatment or integrally plated wear layer

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw machine

Rotary expansible chamber devices – With wear surface treatment or integrally plated wear layer

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw machine

Rotary expansible chamber devices – With wear surface treatment or integrally plated wear layer

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw machine

Rotary expansible chamber devices – With wear surface treatment or integrally plated wear layer

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw machine

Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and cylinder

Reexamination Certificate

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Screw machine having a plurality of symmetrically arranged rotor

Rotary expansible chamber devices – Multistage

Patent

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Screw pump

Rotary expansible chamber devices – Interengaging rotating members – Non-parallel axis

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw pump

Rotary expansible chamber devices – Interengaging rotating members – Three or more

Patent

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Screw pump

Rotary expansible chamber devices – Interengaging rotating members – Three or more

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw pump

Rotary expansible chamber devices – Interengaging rotating members – Three or more

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw pump

Rotary expansible chamber devices – Interengaging rotating members – Three or more

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw pump

Rotary expansible chamber devices – Apertured bypass to pressurize or relieve working chamber...

Patent

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Screw pump

Rotary expansible chamber devices – Interengaging rotating members – Three or more

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw pump and method of operating the same

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw pump and pumping arrangement

Rotary expansible chamber devices – With plural working fluid inlet or outlet passages

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Screw pump having a thermal shield

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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