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Class Information
Number: 75/10.65
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Electrothermic processes (e.g., microwave, induction, resistance, electric arc, plasma, etc.) > Melting or holding melt
Description: Process wherein there is a melting step or a step of holding the material in a molten state.

Sub-classes under this class:

Class Number Class Name Patents
75/10.66 Producing or treating iron(fe) or iron alloy 52

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8357223 Waste treatment furnace and method Jan. 22, 2013
8187357 Melting metallurgical process for producing metal melts and transition metal-containing additive for use in this method May. 29, 2012
7988764 Process for producing a grain refining master alloy Aug. 2, 2011
7794519 Graphite electrode for electrothermic reduction furnaces, electrode column, and method of producing graphite electrodes Sep. 14, 2010
7785389 Feed material composition and handling in a channel induction furnace Aug. 31, 2010
7776127 Use of a channel induction furnace to process at least one of a molten metal product, a vapor phase metal product and a slag product from a variety of feed materials Aug. 17, 2010
7776126 Processing parameters for operation of a channel induction furnace Aug. 17, 2010
7740681 Reductant addition in a channel induction furnace Jun. 22, 2010
7727302 Slag control in a channel induction furnace Jun. 1, 2010
7637307 Adjustable feed chute and associated method of feeding and melting Dec. 29, 2009
7503376 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes Mar. 17, 2009
6918942 Process for production of titanium alloy Jul. 19, 2005
6858059 Electron beam melting method for metallic material Feb. 22, 2005
6613118 Method of heating molten aluminum in a crucible Sep. 2, 2003
6391081 Metal purification method and metal refinement method May. 21, 2002
6340376 Method for combining metals with different melting points Jan. 22, 2002
6136063 Process for separating hazardous metals from waste materials during vitrification Oct. 24, 2000
5925165 Process and apparatus for the 3-stage treatment of solid residues from refuse incineration plants Jul. 20, 1999
5865240 Rheocasting method and apparatus Feb. 2, 1999
5849062 Method for recovering metallic materials of gas generator for air bag Dec. 15, 1998
5702500 Integrated process for the recovery of metals and fused alumina from spent catalysts Dec. 30, 1997
5599376 Process and equipment to reclaim reusable products from edible oil process waste streams Feb. 4, 1997
5336291 Method of production of a metallic composite material incorporating metal carbide particles dispersed therein Aug. 9, 1994
5294767 Device for destroying hypodermic needles Mar. 15, 1994
5261611 Metal atomization spray nozzle Nov. 16, 1993
5226949 Method and apparatus for removal of floating impurities on liquid Jul. 13, 1993
5167700 Method and apparatus for remelting and refining or magnesium and magnesium alloys Dec. 1, 1992
5102450 Method for melting titanium aluminide alloys in ceramic crucible Apr. 7, 1992
5084090 Vacuum processing of reactive metal Jan. 28, 1992
5057194 Salt-based melting process Oct. 15, 1991
5030274 Method for recovering metallics and non-metallics from spent catalysts Jul. 9, 1991
4966624 Method and apparatus for electric refining of lead Oct. 30, 1990
4961776 Cold hearth refining Oct. 9, 1990
4850572 Process intended to prevent deposition on the walls of metallurgical containers and metallurgical containers suitable for carrying out this process Jul. 25, 1989
4849014 Molten metal heating method Jul. 18, 1989
4820342 Method of reducing lining wear Apr. 11, 1989
4797154 Plant to convert a metallic charge into semifinished products, and connected smelting and casting method Jan. 10, 1989
4790874 Method for forming metals with reduced impurity concentrations Dec. 13, 1988
4764210 Production of liquid iron Aug. 16, 1988
4661150 Production of liquid iron Apr. 28, 1987
4632700 Method and apparatus for holding or increasing the temperature in a metal melt Dec. 30, 1986
4619695 Process for producing high-purity metal targets for LSI electrodes Oct. 28, 1986
4612040 Consumable electrode for production of Nb-Ti alloys Sep. 16, 1986
4605436 Method of producing titanium alloys Aug. 12, 1986
4568385 Method of and apparatus for adding heat to molten metal, and also application of the method Feb. 4, 1986
4537745 Method of producing copper-chromium fusion alloys as contact material for vacuum power switches Aug. 27, 1985
4522784 Casting metals Jun. 11, 1985
4431443 Methods of vacuum arc melting Feb. 14, 1984
4385931 Method and furnace for refining of magnesium May. 31, 1983
4349381 Recovery of heavy metals from spent alumina Sep. 14, 1982

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