Multiple-circuit valve apparatus
Non-symmetrical seal plate and valve housing
Oil pressure control system for power transmissions
Open center hydraulic system with reduced interaction...
Overruning load control for hydraulic jacks
Pilot pressure operated directional control valve and an operati
Pilot solenoid control valve and hydraulic control system using
Pneumatic actuator
Pneumatic nailer
Pneumatic transformer
Pneumatic transformer
Power assisted actuating arrangements
Power control apparatus for a sliding door
Power steering apparatus
Power steering apparatus
Power steering with accumulator operation
Power transmission
Pressure compensated fluid control valve
Pressure compensation valve unit and pressure oil supply system
Pressure holding valve