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US4383678A
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Electric furnace scrap handling mill layout
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Electro furnace feeding and furnace fume utilization and control
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Air cooled electric arc furnace
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Electric furnace having a side wall to roof smoke hole mounting
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Suspended roof for electric arc furnace
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Dual ring supported roof for electric arc furnace
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Panelized suspended basic furnace roof
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Processing and preheating scrap metal for furnace utilization
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Panelized suspended roof for reverberatory furnace
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Apparatus and method for preheating of metal scrap for furnace charging
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Making basic oxygen steel in an electric arc furnace system
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Link and yoke suspended roof
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Open hearth having preheat and charge means
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Veneer furnace wall construction
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Rotary scrap charging
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Open hearth utilization
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Furnace nose
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US3115336A
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Furnace construction
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US3148641A
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Furnace roof construction
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US3045994A
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Furnace back wall construction
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