LandOfFree - US Patents - Listing for Rotary expansible chamber devices

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

Stator assembly for a progressing cavity pump

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

Stator casing for eccentric worm pumps

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

Stator clamping device for eccentric screw pump

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

Stator especially adapted for use in a helicoidal pump/motor

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

Stator for a downhole fluid operated motor and method of assembl

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

Stator for an eccentric screw pump or an eccentric worm...

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

Stator for an eccentric screw pump or an eccentric worm...

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

Stator for an eccentric screw pump or an eccentric worm...

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

Stator for down hole drilling motor

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

Stator for eccentric spiral pump

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

Stator for eccentric spiral pump

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

Stator for eccentric worm pumps

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

Stator of a moineau-pump

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

Stator system

Rotary expansible chamber devices – Convertible or changeable by assembly or disassembly

Stator tube removal and installation device

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

Stator with rigid retaining ring

Rotary expansible chamber devices – Moving cylinder – Rotating

Steam propulsion system

Rotary expansible chamber devices – With mechanical sealing

Steam-driven propeller engine

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

Steering valve with spring torsion rod