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Class Information
Number: 266/44
Name: Metallurgical apparatus > Process
Description: Methods of operating metallurgical apparatus which are solely directed to those steps of operating such an apparatus which do not effect a chemical or physical change in the work being treated.










Sub-classes under this class:

Class Number Class Name Patents
266/46 Cooling 86
266/45 Plugging or tapping 199
266/47 Tuyere operation 107


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8709334 Metal melting apparatus and method for melting metal Apr. 29, 2014
8702837 Method of integrating a blast furnace with an air gas separation unit Apr. 22, 2014
8679223 Method for scooping-up slag from liquid iron Mar. 25, 2014
8580052 Method for the heat treatment of castings using an air quench and system for implementing the method Nov. 12, 2013
8574336 Ultrasonic degassing of molten metals Nov. 5, 2013
8444909 Hot-strip cooling device May. 21, 2013
8404018 Burner and method for processing oxidizable materials Mar. 26, 2013
8377513 Method for coating a cooling element Feb. 19, 2013
8372333 Angled probe for vessel Feb. 12, 2013
8357327 Heating device for preheating a liquid-metal transfer container Jan. 22, 2013
8337645 Method and plant for heat treatment of metallic elements Dec. 25, 2012
8333819 Combined burner and lance apparatus for electric arc furnaces Dec. 18, 2012
8318080 Device and method for cooling hot strip Nov. 27, 2012
8317897 Method for supersonically injecting oxygen into a furnace Nov. 27, 2012
8313688 Method for in-line heat exchanger tube brazing Nov. 20, 2012
8313552 Method for the production and the melting of liquid pig iron or of liquid steel intermediate products in a melt-down gasifier Nov. 20, 2012
8309016 Shaft furnace and method for operating a furnace Nov. 13, 2012
8287801 Operation method of flash smelting furnace and raw material supply apparatus Oct. 16, 2012
8277720 Device and method for heating a metal material Oct. 2, 2012
8273289 Refractory coating for silica mesh fabric Sep. 25, 2012
8268231 Treatment method for high-temperature exhaust gas Sep. 18, 2012
8262982 Apparatus for removal and replacement of a hinged lid on a metallurgical transport vessel Sep. 11, 2012
8216507 Post-combustion lance with internal support Jul. 10, 2012
8202471 Furnace configured for use in both the galvannealing and galvanizing of a metal strip Jun. 19, 2012
8202470 Low NO.sub.x fuel injection for an indurating furnace Jun. 19, 2012
8187526 Method and device for operating a change converter unit of an oxygen steel-making plant May. 29, 2012
8173064 Method for operating a shaft furnace, and shaft furnance operable by that method May. 8, 2012
8163229 Apparatus and method for supporting continuous casting nozzle, sliding nozzle system and continuous casting nozzle Apr. 24, 2012
8158053 Refractory articles Apr. 17, 2012
8153049 Method and apparatus for melting metal Apr. 10, 2012
8142541 Method of preheating steelmaking ladles Mar. 27, 2012
8133299 Multiple hearth furnace for reducing iron oxide Mar. 13, 2012
8128862 Blast furnace gas burning facility and method for operating the same Mar. 6, 2012
8124004 Slag door assembly for an electric arc furnance Feb. 28, 2012
8114337 Lance extraction Feb. 14, 2012
8114338 Tilting-type automatic pouring method and storage medium Feb. 14, 2012
8075836 Steel-sheet continuous annealing equipment and method for operating steel-sheet continuous annealing equipment Dec. 13, 2011
8075665 Reduction treatment apparatus and method of reduction treatment Dec. 13, 2011
8071013 Melting starting material in a cupola furnace Dec. 6, 2011
8007711 Method for operating a converter Aug. 30, 2011
7998398 Slag removal system for a burn table Aug. 16, 2011
7993572 Screw conveyor and operation control method for the same Aug. 9, 2011
7993573 Slag transport and dumping apparatus and method Aug. 9, 2011
7985370 Apparatus for forming longitudinal thermal-fatigue cracks Jul. 26, 2011
7939012 Skimmer apparatus and method May. 10, 2011
7892319 Crust breaker and ore dispenser Feb. 22, 2011
7875235 Method for batchwise heat treatment of goods to be annealed Jan. 25, 2011
7829010 Guide tube end-piece, assembly and method Nov. 9, 2010
7828873 Forehearth Nov. 9, 2010
7811509 Material submergence system Oct. 12, 2010

1 2 3 4 5 6 7 8










 
 
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