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Class Information
Number: 373/24
Name: Industrial electric heating furnaces > Plasma furnace device > Direct furnace (i.e., plasma flame impinges on the melt) > Sidewall mounted plasmatron
Description: Subject matter wherein the plasmatron means extends through and is supported by the furnace sidewall.

Patents under this class:

Patent Number Title Of Patent Date Issued
8557174 Process and apparatus for recovery of non-ferrous metals from zinc residues Oct. 15, 2013
8491836 Method and furnace for melting steel scrap Jul. 23, 2013
5960026 Organic waste disposal system Sep. 28, 1999
5956365 Electric arc furnace having slag door and post combustion process Sep. 21, 1999
5734673 Waste-melting furnace and waste-melting method Mar. 31, 1998
5270016 Apparatus for the thermal conversion of methane Dec. 14, 1993
5206879 Destruction process Apr. 27, 1993
5157685 Method and apparatus for preparing a melt for mineral fibre production Oct. 20, 1992
5132984 Segmented electric furnace Jul. 21, 1992
5107517 Melting furnace Apr. 21, 1992
5090340 Plasma disintegration for waste material Feb. 25, 1992
5046144 Method and furnace for the preparation of a melt for mineral wool production Sep. 3, 1991
4972063 Device for mounting and withdrawing a plasma torch relative to an apparatus operating under pressure and temperature precluding a direct intervention Nov. 20, 1990
4804395 Electrode arrangement for lensing method Feb. 14, 1989
4761793 Plasma fired feed nozzle Aug. 2, 1988
4755203 Optic fiber positioning for lensing method Jul. 5, 1988
4743283 Alternating current arc for lensing system and method of using same May. 10, 1988
4718477 Apparatus and method for processing reactive metals Jan. 12, 1988
4707583 Plasma heated sintering furnace Nov. 17, 1987
4654076 Apparatus and method for treating metallic fines Mar. 31, 1987
4638489 Method and means for use in the installation of plasma generators in shaft furnaces Jan. 20, 1987
4626654 Metallurgical plasma melting process Dec. 2, 1986
4611332 Transferred electric arc Sep. 9, 1986
4606038 Plant for producing calcium carbide Aug. 12, 1986
4546483 Plasma melting furnace arrangement Oct. 8, 1985
4530101 Electric arc fired cupola for remelting of metal chips Jul. 16, 1985
4508040 Method and plant for conversion of waste material to stable final products Apr. 2, 1985
4425659 Metal oxide reduction furnace Jan. 10, 1984
4418414 Metallurgical plasma melting furnace Nov. 29, 1983
4396421 Method of, and arrangement for, producing molten pig iron or steel pre-material Aug. 2, 1983
4363656 Injection of hot gases into shaft furnace Dec. 14, 1982
4362555 Method and apparatus for manufacturing sponge iron Dec. 7, 1982
4309170 Vertical shaft furnace Jan. 5, 1982
4181504 Method for the gasification of carbonaceous matter by plasma arc pyrolysis Jan. 1, 1980
4141694 Apparatus for the gasification of carbonaceous matter by plasma arc pyrolysis Feb. 27, 1979
4129742 Plasma arc vertical shaft furnace Dec. 12, 1978

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