Method of reducing system pressure pulsation for positive...
Methods and apparatus for unloading a screw compressor
Minimal contact seal positive displacement device method and...
Modular downhole multiphase pump
Modular multi-rotor compressor and method of manufacture
Molecular drag pump with rotors moving in same direction
Multi-rotor helical-screw compressor with discharge side...
Multi-rotor helical-screw compressor with thrust balance device
Multi-stage helical screw rotor
Multiple lobed piston pump with angularly and axially displaced
Multiple tooth engagement single screw mechanism
Multistage roots pump and a method of assembling such a pump
Non-lubricated screw machine with a rotor having a taper and var
Nonlubricated screw fluid machine
Offset bearing for extended fuel pump life
Offset thread screw rotor device
Offset thread screw rotor device
Offset thread screw rotor device
Offset three-gear, two-system pump
Oil flooded screw compressor with thrust compensation control