ClassID:

118816

C21C5/32 - 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; Regulating or controlling the blowing Blowing from above

Recent Application in this class:
#1
20240393159
2024-11-28

FURNACE SLAG AMOUNT ESTIMATION DEVICE, FURNACE SLAG AMOUNT ESTIMATION METHOD, AND MOLTEN STEEL PRODUCTION METHOD

#2
20240167112
2024-05-23

METHOD FOR OPERATING CONVERTER AND METHOD FOR PRODUCING MOLTEN STEEL

#3
20240068060
2024-02-29

REFINING METHOD OF MOLTEN IRON AND MANUFACTURING METHOD OF MOLTEN STEEL USING SAME

#4
20230366052
2023-11-16

Lance for blowing oxygen in steelmaking

#5
20230279516
2023-09-07

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

#6
20220340986
2022-10-27

Converter CO2—O2 mixed injection smelting method and method of dynamically controlling fire point area temperature

#7
20210246522
2021-08-12

METHODS FOR CONTROLLING THE POSITION OF FURNASE LANCES

#8
20200392592
2020-12-17

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

#9
20200385829
2020-12-10

Process for injecting particulate material into a liquid metal bath

#10
20200354802
2020-11-12

CONTROLLING OPERATION AND POSITION OF A LANCE AND NOZZLE ASSEMBLY IN A MOLTEN METAL BATH IN A VESSEL

#11
20200157645
2020-05-21

Method for operating converter

#12
20180100207
2018-04-12

CONVERTER

#13
20170335417
2017-11-23

Method and apparatus for controlling the pressure in the exhaust gas duct of a converter

#14
20150344982
2015-12-03

Lance and operation method using the same

#15
20150292050
2015-10-15

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

#16
20150020648
2015-01-22

Method for refining hot metal in converter

#17
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

#18
20140311295
2014-10-23

Converter steelmaking method

#19
20140298955
2014-10-09

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

#20
20120060650
2012-03-15

Method for manufacturing molten iron

#21
20110167963
2011-07-14

Dual outlet injection system

#22
20110127703
2011-06-02

Dynamic lances utilizing fluidic techniques

#23
20090229416
2009-09-17

Refining Molten Metal

#24
20090014928
2009-01-15

Gas injection lance

#25
20080272524
2008-11-06

Metallurgical Lance with Annular Gas Flow Control

#26
20080236334
2008-10-02

Melting metallurgical process for producing metal melts and transition metal-containing additive for use in this method

#27
20070057417
2007-03-15

Metallurgical lance with annular gas flow control

#28
20060108723
2006-05-25

Apparatus for injecting gas into a vessel

#29
20060108722
2006-05-25

Apparatus for injecting gas into a vessel