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Class Information
Number: 266/160
Name: Metallurgical apparatus > Combined or convertible
Description: Device a) including means in addition to the basic metallurgical apparatus for performing some additional nonmetallurgical operation or for perfecting the operation of the basic metallurgical apparatus or b) which can by an addition, removal or rearrangement of one or more of its parts be caused to have a different mode or condition of operation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE39536 |
Method and plant utilizing fine coal in a melter gasifier |
Apr. 3, 2007 |
| 7141205 |
Method for discharging reduced product from a movable-hearth furnace and a discharging device |
Nov. 28, 2006 |
| 6858061 |
Method and device for producing pig iron or liquid steel pre-products from charge materials containing iron ore |
Feb. 22, 2005 |
| 6805723 |
Method and reactor for production of aluminum by carbothermic reduction of alumina |
Oct. 19, 2004 |
| 6797034 |
Method of producing reduced metals and apparatus for reducing metal oxides |
Sep. 28, 2004 |
| 6726875 |
Combined installation for the treatment of steel work gases |
Apr. 27, 2004 |
| 6648942 |
Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus |
Nov. 18, 2003 |
| 6589473 |
Apparatus for manufacturing low-oxygen copper |
Jul. 8, 2003 |
| 6582492 |
Method for producing melt iron |
Jun. 24, 2003 |
| 6576040 |
Process and plant with oxygen-enriched air feed for a non-ferrous metal production unit |
Jun. 10, 2003 |
| 6551548 |
Apparatus for producing reduced iron and compact drying |
Apr. 22, 2003 |
| 6491864 |
Plant for charging metal carriers to melt-down gasifying zone |
Dec. 10, 2002 |
| 6482351 |
Apparatus for producing reduced iron |
Nov. 19, 2002 |
| 6440193 |
Method and reactor for production of aluminum by carbothermic reduction of alumina |
Aug. 27, 2002 |
| 6416566 |
Process for the production of liquid pig iron or liquid steel pre-products |
Jul. 9, 2002 |
| 6379423 |
Device and method for producing sponge iron |
Apr. 30, 2002 |
| 6332911 |
Method and plant of utilizing fine coal in a melter gasifier |
Dec. 25, 2001 |
| 6319302 |
Method for manufacturing reduced iron agglomerates and apparatus there for |
Nov. 20, 2001 |
| 6273934 |
Method and an apparatus for producing metals and metal alloys |
Aug. 14, 2001 |
| 6241798 |
Iron smelting process and plant according to the multiple zone smelting process |
Jun. 5, 2001 |
| 6224647 |
Process and device for charging a fusion gasifier with gasifying means and spongy iron |
May. 1, 2001 |
| 6210463 |
Process and apparatus for the continuous refining of blister copper |
Apr. 3, 2001 |
| 6183534 |
Plant and process for the production of pig iron and/or sponge iron |
Feb. 6, 2001 |
| 6152984 |
Integrated direct reduction iron system |
Nov. 28, 2000 |
| 6126717 |
Steel-making method and plant |
Oct. 3, 2000 |
| 5997608 |
Process for the production of molten pig iron or molten steel, pre-products and sponge iron and a plant for carrying out the process |
Dec. 7, 1999 |
| 5989308 |
Plant and process for the production of pig iron and/or sponge iron |
Nov. 23, 1999 |
| 5961690 |
Process for producing molten pig iron of liquid steel preproducts and plant for carrying out the process |
Oct. 5, 1999 |
| 5882579 |
Apparatus for producing direct reduced iron utilizing a reducing gas with a high content of carbon monoxide |
Mar. 16, 1999 |
| 5858060 |
Magnetic separation method for iron carbide |
Jan. 12, 1999 |
| 5567379 |
Method of producing molten pig iron or molten steel pre-products and a plant therefor |
Oct. 22, 1996 |
| 5535991 |
Plant for producing molten pig iron or molten steel pre-products |
Jul. 16, 1996 |
| 5529291 |
Circulating fluidized bed direct reduction system |
Jun. 25, 1996 |
| 5429341 |
Apparatus and capsule for carrying out processes of directed crystallization, especially in cosmic space conditions |
Jul. 4, 1995 |
| 5402990 |
Steel making plant |
Apr. 4, 1995 |
| 5317862 |
Air separation |
Jun. 7, 1994 |
| 5290412 |
Apparatus for separating electrodeposited metal in electrolytic refining |
Mar. 1, 1994 |
| 5268019 |
Air separation method and apparatus combined with a blast furnace |
Dec. 7, 1993 |
| 5244489 |
Process for supplying a blast furnace with air enriched in oxygen, and corresponding installation for the reduction of iron ore |
Sep. 14, 1993 |
| 5218617 |
Apparatus for feeding iron-bearing materials to metallurgical furnaces |
Jun. 8, 1993 |
| 5143355 |
Apparatus for manufacturing oxygen-free copper |
Sep. 1, 1992 |
| 5139236 |
Melt facility for continuous upcaster |
Aug. 18, 1992 |
| 5069715 |
Direct smelting process and apparatus |
Dec. 3, 1991 |
| 5064174 |
Apparatus for production of energy and iron materials, including steel |
Nov. 12, 1991 |
| 4995904 |
Method for the pretreatment of a lumpy carbon carrier |
Feb. 26, 1991 |
| 4958808 |
Apparatus for producing sponge iron or pig iron |
Sep. 25, 1990 |
| 4955587 |
Arrangement for recovering molten pig iron or steel pre-products from lumpy iron-oxide containing charging substances |
Sep. 11, 1990 |
| 4946498 |
Process for the production of steel from fine ore hot briquetted after fluidized bed reduction |
Aug. 7, 1990 |
| 4898366 |
Apparatus for charging a melting gasifier with gasification media and sponge iron |
Feb. 6, 1990 |
| 4889323 |
Mill arrangement with primary gas mixing means |
Dec. 26, 1989 |
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