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Wobblestick with helix

Rotary expansible chamber devices – Working member has planetary or planetating movement – Plural working members or chambers
Reexamination Certificate

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Work machine

Rotary expansible chamber devices – Working member has planetary or planetating movement
Patent

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Working member of a helical downhole motor for drilling wells

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...
Patent

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Worm for an eccentric screw pump or a subsurface drilling motor

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...
Reexamination Certificate

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Worm pump for thick media and/or media containing lumps, e.g. me

Rotary expansible chamber devices – Helical working member
Patent

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Worm type compressor with compressed fluid escape grooves

Rotary expansible chamber devices – With supply or exhaust passage in working member
Patent

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Worm-drive compressor

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

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Worm-type rotary fluid compressor

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

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Wrap element and tip seal for use in fluid apparatus of the scro

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent

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Wrap element and tip seal for use in fluid apparatus of the scro

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent

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Yin-Yang fluid power machine

Rotary expansible chamber devices – With changeable working chamber magnitude – By adjustably limiting vane or abutment movement
Patent

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Yoke coupler for two eccentrically rotating members

Rotary expansible chamber devices – Moving cylinder – Rotating
Patent

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Yoke mechanism for fluid displacement device

Rotary expansible chamber devices – Interconnected vanes – Interposed movable member interconnects plural vanes
Patent

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Zirconia and zirconia composite ceramic shafts for gear micropum

Rotary expansible chamber devices – Non-metallic working member – cylinder or partition
Patent

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Zirconia vane for rotary compressors

Rotary expansible chamber devices – Specific material
Patent

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