LandOfFree - US Patents - Listing for Rotary expansible chamber devices

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Positive displacement pumps

Rotary expansible chamber devices – Working chamber surface expressed mathematically

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Positive displacement rotary gas compressor pump

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

Patent

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Positive displacement rotary machine

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

Patent

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Positive displacement rotary mechanism

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

Patent

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Positive displacement rotary pump

Rotary expansible chamber devices – Collapsible progressively deformed working chamber wall

Patent

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Positive displacement rotary pump

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

Reexamination Certificate

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Positive displacement rotary pump with bearings in countersunk p

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Non-working fluid passage in inner working or reacting member

Patent

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Positive displacement screw machine with separation wall attache

Rotary expansible chamber devices – Adjustable working chamber peripheral wall controls working...

Patent

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Positive displacement scroll apparatus with band linking scrolls

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

Patent

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Positive displacement scroll type apparatus with fluid pressure

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

Patent

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Positive displacement vane type rotary pump

Rotary expansible chamber devices – Interconnected vanes

Patent

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Positive displacement vane type rotary pump

Rotary expansible chamber devices – Abutment or vane has concurrent rocking and radially sliding...

Patent

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Positive displacement vane type rotary pump

Rotary expansible chamber devices – Interconnected vanes

Patent

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Positive displacement vane type rotary pump

Rotary expansible chamber devices – Abutment or vane has concurrent rocking and radially sliding...

Patent

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Positive-displacement machine operating by the spiral principle

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

Patent

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Positive-displacement piston mechanism having a rotary piston st

Rotary expansible chamber devices – Moving cylinder – Rotating

Patent

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Positive-displacement pump

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

Reexamination Certificate

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Positive-displacement rotary pump

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Reexamination Certificate

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Positive-displacement unit with coaxial rotors

Rotary expansible chamber devices – Intermittently accelerated and receding members rotate in... – Each a working member

Patent

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Positive-displacement unit with coaxial rotors

Rotary expansible chamber devices – Intermittently accelerated and receding members rotate in... – Each a working member

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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