ClassID:

118833

C21C5/4613 - CPC Classification

Classification description:

Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel; Manufacture of steel in the converter; Constructional features of converters; Details or accessories; Lances or injectors Refractory coated lances; Immersion lances

Recent Application in this class:
#1
20260015682
2026-01-15

A method for manufacturing pig iron in an electrical smelting furnace and associated smelting furnace

#2
20250388985
2025-12-25

A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace

#3
20240052444
2024-02-15

ROTARY DEVICE FOR TREATING MOLTEN METAL

#4
20220411889
2022-12-29

Lance for use in metal production and casting installations

#5
20220042743
2022-02-10

Lance unblocking method and apparatus

#6
20190010563
2019-01-10

Method of operating a top submerged lance furnace

#7
20180258503
2018-09-13

BLOW LANCE ASSEMBLY FOR METAL MANUFACTURING AND REFINING

#8
20180087121
2018-03-29

LANCE FOR TOP INJECTION IN METALLURGICAL VESSELS AND PROCESS FOR MANUFACTURING SAME

#9
20180038650
2018-02-08

Lance unblocking method and apparatus

#10
20170362672
2017-12-21

Multiple chamber material-stirring lance and method

#11
20160369361
2016-12-22

Coaxial material-stirring lance and method of use

#12
20160319384
2016-11-03

Molten metal treatment lance

#13
20160265848
2016-09-15

Top submerged injection lance for enhanced submerged combustion

#14
20160053339
2016-02-25

Molten metal treatment lance

#15
20150259762
2015-09-17

Blowing spear for fabrication of metals and maintenance of loading and blowing operational conditions

#16
20150102539
2015-04-16

Tilting mechanism for a vessel

#17
20150020648
2015-01-22

Method for refining hot metal in converter

#18
20140327194
2014-11-06

Fluid cooled lances for top submerged injection

#19
20140291902
2014-10-02

COOLED LANCE FOR INJECTING INTO A METALLURGICAL VESSEL

#20
20140284852
2014-09-25

Lances for top submerged injection

#21
20140263703
2014-09-18

Rotational lance drive and rotational lance injection method

#22
20140151942
2014-06-05

Top submerged injecting lances

#23
20140008846
2014-01-09

Shallow metallurgical wire injection method and related depth control

#24
20130112112
2013-05-09

Coating for machine parts used in the production of pig iron or steel

#25
20130045856
2013-02-21

Refractory slag band

#26
20120175827
2012-07-12

Method and system of removing accretion buildup in a furnace

#27
20110127348
2011-06-02

OXYGEN BLOWING LANCE WITH PROTECTION ELEMENT

#28
20110017021
2011-01-27

Lance for injecting solid material into a vessel

#29
20090091068
2009-04-09

Injector for injecting particulate material into metallurgical furnaces

#30
20090065986
2009-03-12

Apparatus for injecting solid particulate material into a vessel

#31
20090057964
2009-03-05

Rotary lance

#32
20090026668
2009-01-29

Metal making lance assembly

#33
20090014928
2009-01-15

Gas injection lance

#34
20080236778
2008-10-02

Wire injection lance nozzle insert

#35
20080226843
2008-09-18

Laser Cladding on Low Heat Resistant Substrates

#36
20070210495
2007-09-13

System of gas and/or gas and powders injection in liquid metals through rotary refractory lance

#37
20070102852
2007-05-10

Multi-outlet casting nozzle

#38
20070063399
2007-03-22

Metal making lance assembly

#39
20070040308
2007-02-22

Lance for use during combustion

#40
20060108723
2006-05-25

Apparatus for injecting gas into a vessel

#41
20060108722
2006-05-25

Apparatus for injecting gas into a vessel

#42
20060071376
2006-04-06

Apparatus for injecting solid particulate material into a vessel

#43
20060012088
2006-01-19

Guide system for signal lines, device for measuring temperatures and/or concentrations, and use of the system and device

#44
20050110202
2005-05-26

Injection lance