Levi S. Longenecker

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Air cooled electric arc furnace

Furnaces – With fuel treatment means – Preliminary refuse treatment means
Patent

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Dual ring supported roof for electric arc furnace

Furnaces – With fuel treatment means – Preliminary refuse treatment means
Patent

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Electric furnace having a side wall to roof smoke hole mounting

Furnaces – With fuel treatment means – Preliminary refuse treatment means
Patent

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Electric furnace scrap handling mill layout

Metallurgical apparatus – Geographic or structural installation
Patent

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Electro furnace feeding and furnace fume utilization and control

Industrial electric heating furnaces – Arc furnace device – Charging or discharging
Patent

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Profile ID: LFUS-PAI-P-718956

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