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Vessel for the metallurgical treatment of pig iron, steel...

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – Bessemer-type treating vessel
Reexamination Certificate

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Vessel for the treatment of molten metal

Metallurgical apparatus – Means for holding or supporting work – Receptacle
Patent

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Vessel with refractory lining and cover assembly therefor

Metallurgical apparatus – Means for holding or supporting work – Receptacle
Patent

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Vortex inhibitor for molten metal discharge

Metallurgical apparatus – Process – Plugging or tapping
Patent

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Vortex inhibitor for molten metal discharge

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By separating metal in a molten mass from undesired...
Reissue Patent

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Vortex inhibitor for molten metal discharge

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By separating metal in a molten mass from undesired...
Patent

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Vortex inhibitor with sacrificial rod

Metallurgical apparatus – Process – Plugging or tapping
Reexamination Certificate

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Walking beam furnace

Metallurgical apparatus – With control means responsive to sensed condition – With means responsive to condition of treated material
Patent

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Walking beam furnace for heating metallurgic materials with diff

Metallurgical apparatus – With control means responsive to sensed condition – With means responsive to condition of treated material
Patent

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Wall construction of a shaft furnace

Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Patent

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Wall member for converter chamber

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent

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Wall structure for a metallurgical vessel and blast furnace...

Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Reexamination Certificate

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Waste gas collection device

Metallurgical apparatus – With means treating or handling gases exhausted by treating... – Offtake
Patent

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Waste heat recovery apparatus

Metallurgical apparatus – With means treating or handling gases exhausted by treating... – With heat exchanger – e.g. – waste heat boiler
Patent

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Waste heat recovery process and apparatus

Metallurgical apparatus – With means to preheat gas – By remote heat exchanger
Patent

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Waste management facility

Metallurgical apparatus – With means treating or handling gases exhausted by treating... – Having means to treat or handle gases evolving from rotary...
Patent

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Waste recovery system

Metallurgical apparatus – Having means for leaching and subsequently precipitating a...
Reexamination Certificate

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Waste-gas piping for a filter dust melting furnace

Metallurgical apparatus – With means treating or handling gases exhausted by treating... – With heat exchanger – e.g. – waste heat boiler
Patent

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Water cooled flue gas sampling device

Metallurgical apparatus – With control means responsive to sensed condition – By treated material sampling means
Patent

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Water cooled vessel for vacuum processing liquid steel

Metallurgical apparatus – With means treating or handling gases exhausted by treating...
Reexamination Certificate

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