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Class Information
Number: 266/901
Name: Metallurgical apparatus > Scrap metal preheating or melting
Description: Device wherein (a) a means is provided for the reclamation of scrap metal by liquefying it by the application of heat; or (b) a means is provided for raising the temperature of scrap metal prior to its introduction of the treating vessel.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8709334 Metal melting apparatus and method for melting metal Apr. 29, 2014
8414825 Movable sweat hearth for metal melting furnace Apr. 9, 2013
8357327 Heating device for preheating a liquid-metal transfer container Jan. 22, 2013
8157887 Metal recovery system Apr. 17, 2012
7968045 Installation for production of secondary steel based on scrap Jun. 28, 2011
7901616 Method of building a direct smelting plant Mar. 8, 2011
7858022 Crucible-type continuous melting furnace Dec. 28, 2010
7767136 Apparatus for the combustion of gas exiting from a furnace, for the preheating of scraps entering the furnace itself and related process Aug. 3, 2010
7717978 Method and installation for production of secondary steel based on scrap May. 18, 2010
7662335 Metal scrap submergence apparatus Feb. 16, 2010
7648551 Method for pre-heating, transforming and melting a metal charge and relative plant Jan. 19, 2010
7556766 Controlled free vortex scrap ingester and molten metal pump Jul. 7, 2009
7550028 Method for recycling aluminum-lithium-type alloy scrap Jun. 23, 2009
7497985 Charging device, especially charging stock preheater Mar. 3, 2009
7374716 Metallurgical oven and a material basket for a metallurgical oven May. 20, 2008
7306763 Metallurgical vessel for melting device for liquid metals Dec. 11, 2007
7279127 Continuous steelmaking plant Oct. 9, 2007
6893607 Elevated discharge gas lift bubble pump and furnace for use therewith May. 17, 2005
6855188 Multichambered steelmaking apparatus and method of steelmaking Feb. 15, 2005
6797228 Oxy-fueled aluminum recovery method Sep. 28, 2004
6696013 Metallurgical furnace with scrap metal preheater and dispenser Feb. 24, 2004
6540957 Ladle, a ladle heating system and methods of heating the ladle Apr. 1, 2003
6436337 Oxy-fuel combustion system and uses therefor Aug. 20, 2002
6274081 Smelting installation with an electric-arc furnace Aug. 14, 2001
6245124 Vertical shaft furnaces Jun. 12, 2001
6217823 Metal scrap submergence system Apr. 17, 2001
6155333 Continuous electric steelmaking with charge preheating, melting, refining and casting Dec. 5, 2000
6136264 Melting apparatus and method for melting metal Oct. 24, 2000
6136064 Method for charging a reverbratory furnace with metal chips Oct. 24, 2000
6126716 Iron-base scrap preheating apparatus and method Oct. 3, 2000
6074455 Aluminum scrap melting process and apparatus Jun. 13, 2000
6068812 Inert gas bubble-actuated molten metal pump with gas-diffusion grid May. 30, 2000
6024912 Apparatus and process system for preheating of steel scrap for melting metallurgical furnaces with concurrent flow of scrap and heating gases Feb. 15, 2000
6004369 Steel production method Dec. 21, 1999
5984999 Apparatus having gas-actuated pump and charge well and method of melting metal therewith charge a well of a metal-melting furnace Nov. 16, 1999
5961689 Method of protective atmosphere heating Oct. 5, 1999
5928602 Metal waste processing facility Jul. 27, 1999
5908488 Magnesium melting furnace and method for melting magnesium Jun. 1, 1999
5904895 Apparatus for electric steelmaking May. 18, 1999
5900209 Plant for producing metal melts May. 4, 1999
5879617 Apparatus for treating waste materials Mar. 9, 1999
5853454 Mass flow gravity feed apparatus for charging metal-melting furnaces with dross level compensator and method for charging metal-melting furnaces therewith Dec. 29, 1998
5846480 Aluminum remelting furnace, in particular for melting aluminum scrap to be recycled Dec. 8, 1998
5843368 Apparatus for electric steelmaking Dec. 1, 1998
5800591 Method and apparatus for feeding a steelmaking furnace Sep. 1, 1998
5788921 Apparatus for electric steelmaking Aug. 4, 1998
5735935 Method for use of inert gas bubble-actuated molten metal pump in a well of a metal-melting furnace and the furnace Apr. 7, 1998
5685892 Metallurgical furnace installation for use in copper smelting process and method for charging anode scrap into furnace Nov. 11, 1997
5673900 Reclamation of metal from scrap Oct. 7, 1997
5643528 Controlled magnesium melt process, system and components therefor Jul. 1, 1997

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