Actuator driven by pressure change of fluid
Articulated vane fluid driven motor
Centrifugal positive displacement device
Curved spiral pump
Cylindrical pump device having a flexible blade member
Flexible conformable vanes made of carbonaceous materials
Flexible vane pump
Fluid driven motor having improved blade construction
Forced compression type pump
Gear-type positive-displacement machine
High pressure and high lift pump impeller
Internal toothed belt pump
Machines for energy conversion
Marine drive water pump impeller
Positive displacement fluid motor with flexible blades
Positive displacement machine with a plastic gate pinton
Rotary expansible chamber device with eccentric rotor assembly i
Rotary piston engine
Rotary piston machine
Rubber impeller pump