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Well pumping apparatus of the free piston type
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Combined cylinder cock and relief valve
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(en)
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Fuel injection pumping apparatus
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Compression operated injector with fuel injection control
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(en)
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Fuel injector-pump unit with hydraulic needle fuel injector
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电液阀门紧急关断装置
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Hydraulic valve actuating mechanism
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Free piston pumping device for gas wells and oil wells
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Single dump single solenoid fuel injector
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Pressure regulator for pumps
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Self-closing valve.
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Perfeccionamientos en conjuntos de bombas multiples.
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Pump for injecting liquid fuel into internal combustion engines
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Gas or pneumatically actuated deep well pump
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Force-feed lubrication pump
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Liquid fuel pumping apparatus
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Means for controlling the admission of water to tanks
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(ru)
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Клапан нагружени дл гидропривода
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Automatic steam-stop valve
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Запорный клапан
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(ru)
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Предохранительное устройство для прекращения подачи газа в емкость при аварийном повышении
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УСТРОЙСТВО ДЛЯ НАЛИВА жидкости в РЕЗЕРВУАРЫ
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(no)
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Anordning for å bevirke automatisk frem-tilbakebevegelse ved en dobbeltvirkende hydraulisk sylinder
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