Liquid-injected compressor with at least two cooperating compres
Low-pressure screw compressor
Male and female screw rotor assembly with specific tooth flanks
Meshing helical rotors
Method of reducing system pressure pulsation for positive...
Methods and apparatus for unloading a screw compressor
Modular downhole multiphase pump
Molecular drag pump with rotors moving in same direction
Multi-rotor helical-screw compressor with discharge side...
Multi-stage helical screw rotor
Offset thread screw rotor device
Offset thread screw rotor device
Offset thread screw rotor device
Oil flooded screw compressor with thrust compensation control
Oil injected screw compressor
Oil-flooded screw compressor with screw rotors having contact pr
Oil-free rotary displacement compressor
Oil-free screw compressor and method of manufacture
Oil-free screw rotor apparatus
Pair of co-operating screw rotors, a screw rotor and a rotary sc