Hydraulically powered diaphragm pump with pretensioned...
Hydraulically powered triplex pump and control system therefor
Hydraulically-actuated diaphragm pump with a leak...
Hydraulically-operated machines
Hydraulically-operated pump jack with chain drive
Hydro mechanical packingless pump and liquid spray system
Hydrodynamically suspended rotor axial flow blood pump
Hydrostatic and oil well pump
Hydrostatic pressure test pump
Hydrostatically balanced gear pump
Hydrualic pressure amplifier