4. Heating
  5. Shaft type

Kurt Wieder

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Device for producing sponge iron

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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Method and device for feeding a gas to a metallurgical vessel

Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Reexamination Certificate

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Method and device for producing a static bed

Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Reexamination Certificate

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Method for producing liquid pig iron

Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Reexamination Certificate

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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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Profile ID: LFUS-PAI-P-2046314

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