Pair of co-operating screw rotors, a screw rotor and a rotary sc
Parallel module rotary screw compressor and method
PD pumps with a common gearbox module and varying capacities...
Piston unloader arrangement for screw compressors
Plural screw positive displacement machines
Positive displacement meshing screw machine
Positive displacement pump
Positive displacement pump apparatus and method
Positive displacement rotary machine
Positive displacement rotary mechanism
Power steering assembly
Power steering system hydraulic pump
Pressure sealed tapered screw pump/motor
Profiles of screw-type rotors for rotary machines conveying a ga
Pump body for a medical gear pump
Pump comprising a water supply
Pump for viscous fluids
Pumps
Pumps and motors