4. Heating
  5. Shaft type
  6. Having combustion products generated in or fed to shaft

Henry Rafael Bueno

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Apparatus for the direct reduction of iron oxides

Metallurgical apparatus – With means treating or handling gases exhausted by treating... – By means recycling exhaust gas
Reexamination Certificate

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Direct reduction device to obtain metal iron with a high...

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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Furnace for the direct reduction of iron oxides

Heating – Shaft type – Having combustion products generated in or fed to shaft
Patent

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Method for the direct reduction of iron oxides

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

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Method for the direct reduction of iron oxides

Specialized metallurgical processes – compositions for use therei – Processes – Process control responsive to sensed condition
Reexamination Certificate

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Profile ID: LFUS-PAI-P-461691

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