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Class Information
Number: 373/63
Name: Industrial electric heating furnaces > Arc furnace device > Indirect > Arc between spaced electrodes > Charge fed into space
Description: Subject matter wherein the charge passes through the arc as it is added to the furnace.

Patents under this class:

Patent Number Title Of Patent Date Issued
8520714 Burner/injector panel apparatus Aug. 27, 2013
7951325 Methods of implementing a water-cooling system into a burner panel and related apparatuses May. 31, 2011
7824604 Methods of implementing a water-cooling system into a burner panel and related apparatuses Nov. 2, 2010
6289034 Process and an apparatus for producing metals and metal alloys Sep. 11, 2001
5312471 Method and apparatus for the manufacture of large optical grade SiO.sub.2 glass preforms May. 17, 1994
5189682 Method for increasing the efficiency of a direct current electric arc furnace Feb. 23, 1993
5138629 Direct current electric arc furnace Aug. 11, 1992
5117438 Method of operating a smelting unit and smelting unit for that method May. 26, 1992
5068871 Process for synthesizing diamond and apparatus therefor Nov. 26, 1991
5046145 Improved arc reactor with advanceable electrode Sep. 3, 1991
4569733 Method of treating rock to recover metal, oxygen, and water Feb. 11, 1986
4548670 Silicon melting and evaporation method for high purity applications Oct. 22, 1985
4080509 Metal processing furnace and vapor nucleation method Mar. 21, 1978

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