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Class Information
Number: 373/62
Name: Industrial electric heating furnaces > Arc furnace device > Indirect > Arc between spaced electrodes
Description: Subject matter the arc is between spaced electrodes and the material is heated by radiation from the arc.

Sub-classes under this class:

Class Number Class Name Patents
373/63 Charge fed into space 13
373/64 With arc deflection means 12

Patents under this class:

Patent Number Title Of Patent Date Issued
8364542 Reusable sleeve cover Jan. 29, 2013
8350190 Ceramic electrode for gliding electric arc Jan. 8, 2013
6965629 Method and apparatus for initiating a pulsed arc discharge for nanopowder synthesis Nov. 15, 2005
6853673 Process and device for producing a quartz glass crucible by ring-like arc, and its quartz glass crucible Feb. 8, 2005
6794599 Device and method for manufacture of carbonaceous material Sep. 21, 2004
6765949 Carbon nanostructures and methods of preparation Jul. 20, 2004
5373529 Metals purification by improved vacuum arc remelting Dec. 13, 1994
5317592 Direct resistance heating electrical furnace assembly and method of operating same May. 31, 1994
5245627 Use of a radiating arc furnace for treating a dross containing a metal in order to recover this metal Sep. 14, 1993
5235611 Stepped end rotary furnace Aug. 10, 1993
5226056 Plasma ashing method and apparatus therefor Jul. 6, 1993
5189682 Method for increasing the efficiency of a direct current electric arc furnace Feb. 23, 1993
5177763 Furnace bottom structure of direct current electric furnace Jan. 5, 1993
5138629 Direct current electric arc furnace Aug. 11, 1992
4657878 Method of making high density, fusion cast basic metallurgical refractory and the refractory itself Apr. 14, 1987
4569307 Silicon melting and evaporation apparatus for high purity applications Feb. 11, 1986
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
4217462 Rotary furnace for the fusion of mineral bearing substances, apparatus and method Aug. 12, 1980
4193757 Furnace construction and methods of loading and sealing a combustion chamber therein Mar. 18, 1980
4080508 Manufacture of carbides and the like Mar. 21, 1978
3975578 Indirect arc metal melting furnace method Aug. 17, 1976

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