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DE365423C
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Procedure to prevent overheating of iron recuperators in furnaces
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DE356967C
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Method and device for heating periodic ovens
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DE358048C
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Procedure for heat transfer in soot chambers
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DE391822C
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Canal furnace for burning porcelain
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DE351195C
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Gas shaft furnace
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DE351196C
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Gas shaft furnace
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DE363249C
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Method of burning with gas in a shaft furnace
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DE351197C
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Discharge device for shaft ovens
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DE352224C
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Method for heating periodically operated ovens with generator gas
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DE376694C
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Discharge device for shaft ovens
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DE354948C
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Cassette ring furnace with cassettes that can be operated from above
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DE370361C
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Gas chamber ring furnace
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