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US3403731A
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Slip setting mechanism for well casing
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Wire-line suspended electric pump installation in well casing
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Breathing attachment for use during shipment of oil filled submergible motor and pump assemblies
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Dual-flow transfer assembly
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Multi-stage displacement pump
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Gas separator for submergible motorpump assemblies
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Combined heat exchanger and protector for submergible electric motors
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Tank venting device
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Heat exchanger for submergible pumping assembly
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Motor protector and cooling system for submergible pumping assembly
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Centrifugal pressure seal for rotary shafts
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Protecting unit for oil-filled submergible electric motors
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Explosion-proof submergible electric motor and pump assembly
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Air preheater for melting furnaces
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Sand resistant pump
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Combined protecting and coupling unit for liquid-filled submergible electric motors
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Tilting assembly for oscillating melting furnaces
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Protecting unit for oil filled submergible motors
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Stack closure assembly for melting furnaces
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US2662764A
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Oscillatory, direct-fired, stackloaded melting furnace
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