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Elevated swinging device for placing slag retention devices in t

Metallurgical apparatus – Means sealing or opening aperture in vessel – By means plugging aperture
Patent

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Emergency cutting torch system

Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes
Reexamination Certificate

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Empty-can treatment system and empty-can treatment method

Metallurgical apparatus – Means treating solid metal – By flame contact heating
Reexamination Certificate

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Enclosure for metallurgical vessels

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

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Enclosure for steel converting apparatus

Metallurgical apparatus – Geographic or structural installation
Patent

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Enclosure for steel converting apparatus

Metallurgical apparatus – Geographic or structural installation
Patent

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Enclosure for steel converting apparatus

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

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Endothermic furnace

Metallurgical apparatus – Means treating solid metal – By contact with gas
Patent

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Energetic material feeder

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

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Energy efficient heat-treating furnace system

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With heating means – e.g. – flame contact
Patent

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Energy-conserving, fast-cooling heat treating furnace

Metallurgical apparatus – Means treating solid metal – Having evacuated chamber
Patent

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Equipment and method for hardening treatment of metallic parts

Metallurgical apparatus – With programmed – cyclic – or time responsive control means – By timer
Reexamination Certificate

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Equipment and regulating means for recovering metal-carbide scra

Metallurgical apparatus – With control means responsive to sensed condition – With temperature sensor
Patent

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Equipment for the continuous pneumatic introduction of coal dust

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

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Equipment for the even feed of pulverous material to a...

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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Erosion resistant stopper rod

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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Evaporating crucible

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – Heated melting pot
Patent

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Exchange device for a blowing lance

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

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Exchange of an oxygen lance for liquid steel conversion

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

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Exhaust hood apparatus with tilting furnace

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

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