Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 373/65
Name: Industrial electric heating furnaces > Arc furnace device > Indirect > Arc between electrode and crucible exterior
Description: Subject matter wherein the arc is drawn between the electrode tip and the exterior of the crucible.

Patents under this class:

Patent Number Title Of Patent Date Issued
8240169 Vitreous silica crucible manufacturing apparatus Aug. 14, 2012
8009717 Process and equipment for the treatment of loads or residues of non-ferrous metals and their alloys Aug. 30, 2011
6980580 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace Dec. 27, 2005
5694413 Procedure and apparatus for continuous supply of heat in electrically conductive bulk goods Dec. 2, 1997
5544194 Apparatus for degreasing electrically conductive material Aug. 6, 1996
5365542 Anode for a direct current arc furnaces Nov. 15, 1994
5199043 Lining for a direct-current electric arc furnace Mar. 30, 1993
5189682 Method for increasing the efficiency of a direct current electric arc furnace Feb. 23, 1993
5173920 Direct-current electric-arc furnace Dec. 22, 1992
5132984 Segmented electric furnace Jul. 21, 1992

  Recently Added Patents
Method of operating an electromechanical converter, a controller and a computer program product
Method and a channel estimating arrangement for performing channel estimation
High density molecular memory storage with read and write capabilities
Washing-up bowl
Austenitic stainless steel welding wire and welding structure
Method and computed tomography device and data storage medium for performing a dynamic CT examination on a patient
Electronic circuit having shared leakage current reduction circuits
  Randomly Featured Patents
Glass cutter
Apparatus for removing plaque from blood vessels using ultrasonic energy
Poultry feed restraint
Ball joints
Selectively switched shading for daylighting and the like
Demodulated radio signals
Rotary mounting for mounting a gear wheel relative to a frame
Method for judging the failure or end of life of a sensor element
Method and apparatus for performing handover in a digital broadcasting system
Folding A/D converter