AC arc furnace with auxiliary electromagnetic coil system...

Anode for a direct current arc furnaces

Apparatus for degreasing electrically conductive material

Direct current electric arc furnace

Direct-current arc furnace comprising a centric charging...

Electrode arrangement as substitute bottom for an...

Method and apparatus for initiating a pulsed arc discharge...

Method and device to feed premixed gas to tuyeres of...

Method for increasing the efficiency of a direct current electri

Mounting arrangement for auxiliary burner or lance

Mounting arrangement for auxiliary burner or lance

Process and device for producing a quartz glass crucible by...

Process and equipment for the treatment of loads or residues...