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Class Information
Number: 75/10.1
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.)
Description: Process for producing or treating free metal or alloys that involve production of thermal energy from electricity, electromagnetic, or wave energy at any stage in the process.

Sub-classes under this class:

Class Number Class Name Patents
75/10.39 Adding gaseous treating agent 45
75/10.46 Adding solid treating agent, slag or flux 69
75/10.27 Carbothermic reduction of aluminum(al) compound 52
75/10.23 Consumable metal-containing electrode 27
75/10.12 Controlling process through sensed condition 40
75/10.29 Distillation or volatilization of refined metal or compound thereof 42
75/10.14 Electrical induction 122
75/10.13 Electromagnetic wave energy (e.g., microwave, laser, etc.) 66
75/10.36 Exhaust or top gas reused or treated 38
75/10.65 Melting or holding melt 59
75/10.19 Plasma 182
75/10.35 Reducing or smelting slag or dross as starting material 46
75/10.62 Reducing or smelting 60
75/10.34 Rotating chamber 21
75/10.64 Vacuum purifying or degassing 36
75/10.28 With volatilization of metal halide 26
75/10.11 With zone melting or fractional crystallization 51

Patents under this class:
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Patent Number Title Of Patent Date Issued
8409318 Process and apparatus for forming wire from powder materials Apr. 2, 2013
8287804 Method for recovering metal from target and method for manufacturing target Oct. 16, 2012
7842118 Recycling method for scrap silicon Nov. 30, 2010
7632425 Composition and associated method Dec. 15, 2009
7632329 Method of refining scrap silicon using an electron beam Dec. 15, 2009
7029513 Reactant delivery apparatuses Apr. 18, 2006
6592648 Reduction of iron ore in ore/coal mixtures Jul. 15, 2003
6508855 Aerosol delivery apparatus for chemical reactions Jan. 21, 2003
6425934 Gas generator disposal method and system therefor Jul. 30, 2002
6387494 Method for producing ultra microparticles and ultra microparticles May. 14, 2002
6217631 Method and apparatus for treating molten aluminum Apr. 17, 2001
6162274 Steel production method Dec. 19, 2000
6096109 Chemical component recovery from ligated-metals Aug. 1, 2000
5968224 Recovery of titanium values from titanium grinding swarf by electric furnace smelting Oct. 19, 1999
5968223 Method for heating molten metal using heated baffle Oct. 19, 1999
5925165 Process and apparatus for the 3-stage treatment of solid residues from refuse incineration plants Jul. 20, 1999
5851262 Method of refining molten metal Dec. 22, 1998
5756957 Tunable molten oxide pool assisted plasma-melter vitrification systems May. 26, 1998
5743937 Earth melter with rubble walls and method of use Apr. 28, 1998
5735930 Method for resources recovery from refractory carbonaceous magma Apr. 7, 1998
5700308 Method for enhancing reaction rates in metals refining extraction, and recycling operations involving melts containing ionic species such as slags, mattes, fluxes Dec. 23, 1997
5516353 Separation of metal droplets of aluminum and its alloys from molten salts by application of electrical potential May. 14, 1996
5472749 Graphite encapsulated nanophase particles produced by a tungsten arc method Dec. 5, 1995
5443618 Earth melter Aug. 22, 1995
5380409 Field-assisted combustion synthesis Jan. 10, 1995
5371759 D.C. furnace with a hearth electrode, hearth electrode and electrode block, as well as process for operating said furnace Dec. 6, 1994
5364441 Cotreatment of sewage and steelworks wastes Nov. 15, 1994
5354355 Earth melter and method of disposing of feed materials Oct. 11, 1994
5348566 Method and apparatus for flow control in electroslag refining process Sep. 20, 1994
5332414 Method for producing high-grade nickel matte and metallized sulfide matte Jul. 26, 1994
5294242 Method for making metal powders Mar. 15, 1994
5278377 Electromagnetic radiation susceptor material employing ferromagnetic amorphous alloy particles Jan. 11, 1994
5084088 High temperature alloys synthesis by electro-discharge compaction Jan. 28, 1992
5024740 Mineral refinement by high RF energy application Jun. 18, 1991
4985067 Process and device for implementing hot chemical processes Jan. 15, 1991
4966624 Method and apparatus for electric refining of lead Oct. 30, 1990
4923273 Method for producing reflective taps in optical fibers and applications thereof May. 8, 1990
4906291 Method for manufacturing melt materials of copper, chromium, and at least one readily evaporable component using a fusible electrode Mar. 6, 1990
4906290 Microwave irradiation of composites Mar. 6, 1990
4892388 Method for producing reflective taps in optical fibers and applications thereof Jan. 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
4849013 Combined electron beam and vacuum arc melting for barrier tube shell material Jul. 18, 1989
4793854 Highly pure titanium and process for producing the same Dec. 27, 1988
4726839 Process and an arrangement for the production of steel from sponge iron Feb. 23, 1988
4689199 Process for adding material to molten media Aug. 25, 1987
4619693 System using electric furnace exhaust gas to preheat scrap for steelmaking Oct. 28, 1986
4491471 Composite pellet for use as a carbothermic reduction feed Jan. 1, 1985
4310352 Process for the preparation of a mixture comprising a solid phase and a liquid phase of a metal alloy, and device for its performance Jan. 12, 1982
4192674 Method of obtaining tantalum-niobium from ores having a high titanium content Mar. 11, 1980
4190404 Method and apparatus for removing inclusion contaminants from metals and alloys Feb. 26, 1980

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