| |
 |
|
Class Information
Number: 75/485
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) > Moving furnace or hearth (e.g., moving belt, etc.) > Reduction in molten state
Description: Process wherein some material is molten during the reduction (e.g., slag, Iron, etc.) and ingredients for carrying out the reduction are added to the melt.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8372179 |
Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom |
Feb. 12, 2013 |
| 8025711 |
System and method for producing metallic iron |
Sep. 27, 2011 |
| 7780756 |
Ore reduction process and titanium oxide and iron metallization product |
Aug. 24, 2010 |
| 7641712 |
Method and system for producing metallic iron nuggets |
Jan. 5, 2010 |
| 7632335 |
Method and system for producing metallic iron nuggets |
Dec. 15, 2009 |
| 7413592 |
Linear hearth furnace system and methods regarding same |
Aug. 19, 2008 |
| 6993855 |
Method for drying compact containing metal oxide, method for reducing metal oxide, and rotary-hearth-type metal reducing furnace |
Feb. 7, 2006 |
| 6685761 |
Method for producing beneficiated titanium oxides |
Feb. 3, 2004 |
| 6648942 |
Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus |
Nov. 18, 2003 |
| 6592647 |
Method for producing metallic iron |
Jul. 15, 2003 |
| 6569223 |
Method of manufacturing molten metal iron |
May. 27, 2003 |
| 6506231 |
Method and apparatus for making metallic iron |
Jan. 14, 2003 |
| 6270552 |
Rotary hearth furnace for reducing oxides, and method of operating the furnace |
Aug. 7, 2001 |
| 6210462 |
Method and apparatus for making metallic iron |
Apr. 3, 2001 |
| 6126718 |
Method of producing a reduced metal, and traveling hearth furnace for producing same |
Oct. 3, 2000 |
| 5730775 |
Method for rapid reduction of iron oxide in a rotary hearth furnace |
Mar. 24, 1998 |
|
|
|
