ClassID:

118832

C21C5/4606 - 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

Sub-classes:
Recent Application in this class:
#1
20260092227
2026-04-02

METHODS FOR PRODUCING SYNGAS FROM BIOMASS-CO2 COUPLED CONVERTER SMELTING PROCESSES

#2
20240247328
2024-07-25

Converter bottom blowing system capable of allowing multiple media to share bottom blowing lances and method for using same

#3
20240076755
2024-03-07

TOP-BLOWING LANCE FOR CONVERTER, METHOD FOR ADDING AUXILIARY RAW MATERIAL, AND METHOD FOR REFINING OF MOLTEN IRON

#4
20230416868
2023-12-28

Method for treating molten metals and/or slags in metallurgical baths and metallurgical plant for treating molten metals

#5
20230366052
2023-11-16

Lance for blowing oxygen in steelmaking

#6
20230349016
2023-11-02

MELTING/REFINING FURNACE FOR COLD IRON SOURCES, AND MELTING/REFINING FURNACE OPERATION METHOD

#7
20230287529
2023-09-14

BLOWING CONTROL METHOD FOR MAINTAINING MUSHROOM HEAD OF BOTTOM-BLOWING NOZZLE CONVERTER

#8
20230279516
2023-09-07

METHOD FOR SIMULTANEOUSLY INJECTING A FUEL GAS AND AN OXYGEN-RICH GAS INTO A UNIT

#9
20230015434
2023-01-19

Coaxial dual supersonic speed oxygen flow coherent oxygen lance

#10
20220235427
2022-07-28

Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick

#11
20220178612
2022-06-09

Method of heating up furnace bottom, and burner lance used in the method

#12
20220177999
2022-06-09

PGM converting process and jacketed rotary converter

#13
20220154299
2022-05-19

Lance nozzle

#14
20200392592
2020-12-17

Method for oxygen-blowing refining of molten iron and top-blowing lance

#15
20200385829
2020-12-10

Process for injecting particulate material into a liquid metal bath

#16
20200318907
2020-10-08

Wind turbine lance ignition system

#17
20200318906
2020-10-08

Tip protrusions on lance ignition tube

#18
20200157645
2020-05-21

Method for operating converter

#19
20190338380
2019-11-07

Jacketed rotary converter and PGM converting process

#20
20190119765
2019-04-25

Blowing lance tip

#21
20180347813
2018-12-06

Method and device for heating a furnace

#22
20180245171
2018-08-30

WATER-BASED HEAT TRANSFER FLUID COOLING SYSTEMS INTRINSICALLY SAFE FROM BOILING LIQUID EXPANDING VAPOR EXPLOSION (BLEVE)IN VARIOUS PYROMETALLURGICAL FURNACE APPLICATIONS

#23
20180163280
2018-06-14

Metal making lance with infrared camera in lance head

#24
20180100216
2018-04-12

Scrap melting in anode furnace processes

#25
20180100207
2018-04-12

CONVERTER

#26
20170362672
2017-12-21

Multiple chamber material-stirring lance and method

#27
20170269050
2017-09-21

Lance and method for determining reaction data of the course of a reaction

#28
20170254591
2017-09-07

MATERIAL SUPPLY APPARATUS AND PROCESS

#29
20170218470
2017-08-03

Burner-lance unit

#30
20170051370
2017-02-23

LANCE NOZZLE, METHOD FOR MANUFACTURING LANCE NOZZLE AND APPARATUS FOR MANUFACTURING LANCE NOZZLE

#31
20160319384
2016-11-03

Molten metal treatment lance

#32
20160153715
2016-06-02

Solids injection lance

#33
20160116215
2016-04-28

Solids injection lance

#34
20160053339
2016-02-25

Molten metal treatment lance

#35
20160047601
2016-02-18

Oxygen lance with at least one coil

#36
20160010922
2016-01-14

Injecting gas into a vessel

#37
20150344982
2015-12-03

Lance and operation method using the same

#38
20150315664
2015-11-05

LANCE FOR TOP INJECTION IN METALLURGICAL VESSELS AND METHOD FOR THE PRODUCTION OF SAID LANCE

#39
20150292050
2015-10-15

BLOWING METHOD AND DEVICE FOR PRODUCING STEEL USING JETS OF HOT AIR

#40
20150259762
2015-09-17

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

#41
20150259761
2015-09-17

Metal making lance with spring-loaded thermocouple or camera in lance tip

#42
20150232770
2015-08-20

Device and method for introducing oxygen into a pressurized fluidized-bed gasification process

#43
20150176097
2015-06-25

Molten metal treatment lance

#44
20150020648
2015-01-22

Method for refining hot metal in converter

#45
20140327192
2014-11-06

METHOD FOR OPERATING AN OXYGEN BLOWING LANCE IN A METALLURGICAL VESSEL AND A MEASUREMENT SYSTEM FOR DETERMINING A MEASUREMENT SIGNAL USED IN THE METHOD

#46
20140318319
2014-10-30

Starting a smelting process

#47
20140311295
2014-10-23

Converter steelmaking method

#48
20140298955
2014-10-09

Top-blowing lance and method for refining molten iron using the same

#49
20140284852
2014-09-25

Lances for top submerged injection

#50
20140239562
2014-08-28

Material supply apparatus and process

#51
20140151942
2014-06-05

Top submerged injecting lances

#52
20130341841
2013-12-26

Reinforced distributor for post-combustion lance

#53
20130160606
2013-06-27

Controllable solids injection

#54
20130146680
2013-06-13

Injection lance with variable swirl

#55
20130106034
2013-05-02

Device for injecting gas into a metallurgical vessel

#56
20120211929
2012-08-23

Post-combustion lance including an internal support assembly

#57
20120200014
2012-08-09

Apparatus for injecting gas into a vessel

#58
20120074623
2012-03-29

Injecting gas into a vessel

#59
20120067983
2012-03-22

USE OF AN ALTITUDE-COMPENSATING NOZZLE

#60
20120036963
2012-02-16

Copper anode refining system and method

#61
20110308354
2011-12-22

Material supply apparatus and process

#62
20110303763
2011-12-15

Apparatus for injecting gas into a vessel

#63
20110127703
2011-06-02

Dynamic lances utilizing fluidic techniques

#64
20110127701
2011-06-02

DYNAMIC CONTROL OF LANCE UTILIZING CO-FLOW FLUIDIC TECHNIQUES

#65
20110068522
2011-03-24

Apparatus for injecting gas into a vessel

#66
20110001021
2011-01-06

Lance holder

#67
20100044930
2010-02-25

Injection method for inert gas

#68
20100006670
2010-01-14

Device for ejecting a diphasic mixture

#69
20090229416
2009-09-17

Refining Molten Metal

#70
20090189322
2009-07-30

Post-combustion lance with internal support

#71
20090173187
2009-07-09

Manufacture of Ferroalloys

#72
20090026668
2009-01-29

Metal making lance assembly

#73
20090014928
2009-01-15

Gas injection lance

#74
20080308979
2008-12-18

Composite sparger

#75
20080272527
2008-11-06

Apparatus for injecting gas into a vessel

#76
20080272524
2008-11-06

Metallurgical Lance with Annular Gas Flow Control

#77
20080265473
2008-10-30

Inducing swirl in a gas flow

#78
20080258321
2008-10-23

Apparatus for injecting gas into a vessel

#79
20080237945
2008-10-02

Apparatus for injecting material into a vessel

#80
20080128963
2008-06-05

Apparatus for injecting gas into a vessel

#81
20080000325
2008-01-03

Oxygen injection method

#82
20070246869
2007-10-25

Metal making lance tip assembly

#83
20070210495
2007-09-13

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

#84
20070126162
2007-06-07

Metal making lance slag detection system

#85
20070119966
2007-05-31

Inducing swirl in a gas flow

#86
20070108319
2007-05-17

Burner and gas-injection device

#87
20070063399
2007-03-22

Metal making lance assembly

#88
20070057417
2007-03-15

Metallurgical lance with annular gas flow control

#89
20070012139
2007-01-18

Method for operating a vacuum vessel with a coherent jet

#90
20060226254
2006-10-12

Method for unlocking nozzles of reactors

#91
20060108723
2006-05-25

Apparatus for injecting gas into a vessel

#92
20060108722
2006-05-25

Apparatus for injecting gas into a vessel

#93
20060060028
2006-03-23

Refining ferroalloys

#94
20060049281
2006-03-09

Nozzle for spraying liquid substances, dispersions, emulsions, or suspensions

#95
20060038326
2006-02-23

Injector-burner for metal melting furnaces

#96
20060001201
2006-01-05

Metallurgical lance

#97
20050284262
2005-12-29

Metallurgical vessel

#98
20050279183
2005-12-22

Device for performing measurements and/or taking samples in molten metals

#99
20050252430
2005-11-17

Burner-lance and combustion method for heating surfaces susceptible to oxidation or reduction

#100
20050229749
2005-10-20

Injection of solids into liquids by means of a shrouded supersonic gas jet

#101
20050160876
2005-07-28

Method for producing low carbon steel

#102
20050145071
2005-07-07

System for optically analyzing a molten metal bath

#103
20050127581
2005-06-16

Supplying solid feed materials for a direct smelting process

#104
20050109161
2005-05-26

Method for deep decarburisation of steel melts

#105
20050040571
2005-02-24

Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device