Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Reexamination Certificate
2004-10-14
2009-11-03
King, Roy (Department: 1793)
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
C266S099000, C266S100000, C266S217000, C266S220000, C266S265000, C266S268000, C266S280000
Reexamination Certificate
active
07611663
ABSTRACT:
The present invention relates to an industrial furnace for smelting metals, in particular nonferrous metals, and the respective nozzle element.
REFERENCES:
patent: 2933259 (1960-04-01), Raskin
patent: 3330645 (1967-07-01), de Moustier et al.
patent: 4721287 (1988-01-01), Winkelman
patent: 5371759 (1994-12-01), Wells et al.
patent: 5465942 (1995-11-01), Wells et al.
patent: 1246782 (1967-08-01), None
patent: 1433398 (1968-11-01), None
patent: 2503672 (1975-09-01), None
patent: 4130397 (1993-03-01), None
Rinnhofer Hans
Zulehner Uwe
Andritz Maerz GmbH
Fogarty Caitlin
King Roy
Kusner & Jaffe
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