LandOfFree - US Patents - Listing for Rotary expansible chamber devices

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Dry-running twin-shaft vacuum pump

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dry-running vacuum pump

Rotary expansible chamber devices – With mechanical sealing

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual arc vane pump

Rotary expansible chamber devices – Positively actuated vane – Fluid biased

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual lobe, split ring, variable roller vane pump

Rotary expansible chamber devices – With changeable working chamber magnitude – Spring or fluid biased movable member

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual revolving vane meter-motor-pump

Rotary expansible chamber devices – Multistage – Successive stages alternately produce work

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual rotor gear assembly for trochoidal rotary device

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual seal system for roots blower

Rotary expansible chamber devices – With mechanical sealing

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual-inlet gear pump with unequal flow capability

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Ductile cast iron scroll compressor

Rotary expansible chamber devices – Specific material

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dust seal in a scroll fluid machine

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dynamically balanced co-orbiting scrolls

Rotary expansible chamber devices – Methods

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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