Direct drive bit for deep drilling tools
Discharge muffler system for a rotary compressor
Discharge port for a scroll compressor
Discharge porting design for screw compressor
Discharge porting for screw compressor with tangential flow...
Dispenser
Displacement machine for compressible media
Displacement machine such as a pump
Displacement machine with electronic motor synchronization
Displacement pump
Displacement pump
Displacement pump with variable volume flow
Distillation system
Distribution system for scroll machine
Distributor with separate suction and pressure nozzles for a...
Double gear pump
Double worm system
Double-acting hydraulic pump
Downhole motor seal and method
Downhole pump controller