LandOfFree - US Patents - Listing for Metallurgical apparatus,Means for treating ores or for extracting metals

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Screw conveyor of rotary hearth furnace for discharging...

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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Sealing apparatus for sintering machine

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

Patent

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Sealing device for sinter cooler

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

Patent

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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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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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Shaft 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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Shaft furnace arrangement for the direct reduction of iron ores

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

Patent

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Shaft furnace charging device with rotating chute

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

Patent

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Shaft furnace cooling

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

Patent

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Shaft furnace design

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

Patent

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Shaft furnace for direct reduction of ores

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

Patent

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Shaft furnace for reducing ores

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

Patent

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Shaft furnace having a metal shell, a refractory lining and cool

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

Patent

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Shaft furnace with bottom discharge device

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

Patent

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Shredder dust feeding device, reverberatory furnace provided...

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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Sidewall for a metallurgical smelting 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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Silver controller

Metallurgical apparatus – Means for treating ores or for extracting metals – By means precipitating metal from solution

Patent

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Silver reclamation apparatus

Metallurgical apparatus – Means for treating ores or for extracting metals – By means precipitating metal from solution

Patent

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Silver recovery apparatus

Metallurgical apparatus – Means for treating ores or for extracting metals – By means precipitating metal from solution

Patent

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Silver recovery cartridge for used fixer of neutral or higher pH

Metallurgical apparatus – Means for treating ores or for extracting metals – By means precipitating metal from solution

Patent

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