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Class Information
Number: 75/475
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Producing or treating free metal > At 300 degrees c or greater (e.g., pyrometallurgy, etc.) > Iron(fe) > Reduction in rotary kiln > With melting of iron(fe) product
Description: Process wherein the metallic Iron (Fe) product is melted.

Sub-classes under this class:

Class Number Class Name Patents
75/476 Iron(fe) product melted within rotary kiln 7

Patents under this class:

Patent Number Title Of Patent Date Issued
8545593 Direct processing of metallic ore concentrates into ferroalloys Oct. 1, 2013
8012236 Method and apparatus for producing reduced metal Sep. 6, 2011
6837916 Smelting reduction method Jan. 4, 2005
6383251 Direct iron and steelmaking May. 7, 2002
6264724 Process for the production of spongy metal Jul. 24, 2001
5782957 Process for treating iron bearing material Jul. 21, 1998
5286273 Method for steel making in high temperature reactor Feb. 15, 1994
4436551 Process for making steel from direct-reduced iron Mar. 13, 1984
4116678 Method of producing iron Sep. 26, 1978

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