ClassID:

118818

C21C5/35 - 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 and through the bath

Recent Application in this class:
#1
20250043370
2025-02-06

Smelting unit for steel production with a tap weight of between 60 t and 350 t

#2
20240287635
2024-08-29

METHOD FOR PREPARING TITANIUM-CONTAINING ULTRA-LOW-CARBON STEEL

#3
20240076755
2024-03-07

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

#4
20240076754
2024-03-07

MOLTEN IRON REFINING METHOD

#5
20240060149
2024-02-22

MOLTEN IRON REFINING METHOD

#6
20230167518
2023-06-01

METHOD FOR PRODUCING LOW-CARBON FERROMANGANESE

#7
20220325368
2022-10-13

METHOD OF DYNAMIC CONTROL FOR BOTTOM BLOWING O2-CO2-CaO CONVERTER STEELMAKING PROCESS

#8
20210047702
2021-02-18

METHOD TO CONTROL SLAG FOAMING IN A SMELTING PROCESS

#9
20190218631
2019-07-18

Bottom stirring tuyere and method for a basic oxygen furnace

#10
20180258503
2018-09-13

BLOW LANCE ASSEMBLY FOR METAL MANUFACTURING AND REFINING

#11
20180163280
2018-06-14

Metal making lance with infrared camera in lance head

#12
20170327914
2017-11-16

GAS PURGING ELEMENT AND CORRESPONDING GAS SUPPLY LINE

#13
20150184265
2015-07-02

Gas purging element and associated gas feed line

#14
20150027656
2015-01-29

Method for preparing low-cost clean steel

#15
20150020648
2015-01-22

Method for refining hot metal in converter

#16
20150000470
2015-01-01

Method for preliminary treatment of molten iron

#17
20140298955
2014-10-09

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

#18
20110156326
2011-06-30

Iron bath-type melting furnace

#19
20110011209
2011-01-20

Method for producing molten iron

#20
20110000339
2011-01-06

Method of producing steel with high manganese and low carbon content

#21
20100229685
2010-09-16

Process for producing molten iron

#22
20090194918
2009-08-06

Gas supply system for a metallurgical furnace and method for operating this system

#23
20090114062
2009-05-07

Method of and smelter for producing steel with high manganese and low carbon content

#24
20090031860
2009-02-05

Production of stainless steel of AISI 4xx grade ferritic steel in an AOD converter

#25
20070152386
2007-07-05

Refining method and refining apparatus for chromium-contained molten steel

#26
20060038327
2006-02-23

Gas supply system for a metallurgical furnace and operating method for said system