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Class Information
Number: 373/47
Name: Industrial electric heating furnaces > Electroslag remelting device > Power supply system
Description: Subject matter including means to supply electrical power to the furnace.

Sub-classes under this class:

Class Number Class Name Patents
373/48 Conductor arrangement 8
373/49 Control 13

Patents under this class:

Patent Number Title Of Patent Date Issued
8665924 Electronic circuit and method of supplying electricity Mar. 4, 2014
8077754 Pool power control in remelting systems Dec. 13, 2011
7995639 Pulse width modulated power inverter output control Aug. 9, 2011
6853672 Method for producing metal blocks or bars by melting off electrodes and device for carrying out this method Feb. 8, 2005
6350293 Bottom pour electroslag refining systems and methods Feb. 26, 2002
6226313 Power source circuit and its control for three-phase electric arc furnace to reduce flicker May. 1, 2001
5995532 Method using fuzzy logic for controlling a furnace Nov. 30, 1999
5991327 Smart predictive line controller for AC and DC electric arc furnaces Nov. 23, 1999
5568506 Constant voltage electro-slag remelting control Oct. 22, 1996
5487873 Method and apparatus for treating hazardous waste or other hydrocarbonaceous material Jan. 30, 1996
5204873 DC electric arc melting apparatus Apr. 20, 1993
5134628 Direct-current arc furnace having bottom electrodes with bath agitation electromagnet Jul. 28, 1992
5050185 Process and apparatus for measuring the instability of an arc in an electrical arc furnace for processing liquid metal Sep. 17, 1991
4254298 Direct current smelting furnace Mar. 3, 1981
4055215 Hot-top for the production of ingots using an electroslag remelting process Oct. 25, 1977
3944714 Electroslag remelting plant Mar. 16, 1976

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