Industrial furnace

Details Industrial furnace Industrial furnace

2004-07-08

2010-12-07

King, Roy (Department: 1793)

Metallurgical apparatus

Means for extracting and refining metal

With separate refining zone

C266S161000, C266S200000, C266S213000, C266S216000

Reexamination Certificate

active

07846379

ABSTRACT:
The invention relates to an industrial furnace for melting and gas-treating nonferrous metals.

REFERENCES:
patent: 942346 (1909-12-01), Peirce et al.
patent: 943403 (1909-12-01), Grunwald
patent: 1546964 (1925-07-01), Blessing
patent: 1856716 (1932-05-01), Maschmeyer
patent: 3743265 (1973-07-01), Tanoue et al.
patent: 4245821 (1981-01-01), Kappell et al.
patent: 6203315 (2001-03-01), Magnusson
patent: 1031473 (1954-06-01), None
patent: 2146410 (1973-03-01), None
patent: 69230406 (2000-06-01), None
patent: 356422 (1931-09-01), None
patent: WO 91/15607 (1991-10-01), None

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