ClassID:

118712

C21B5/006 - CPC Classification

Classification description:

Making pig-iron in the blast furnace Automatically controlling the process

Recent Application in this class:
#1
20260146300
2026-05-28

METHOD FOR OPERATING A SMELTING FURNACE INSTALLATION

#2
20260132480
2026-05-14

OPTIMIZING ENERGY EFFICIENCY FOR ORE SMELTING IN BLAST FURNACES BY SURFACE SCANNING

#3
20250369060
2025-12-04

JOINT REGULATION METHOD OF MATERIAL FLOW, ENERGY FLOW, AND CARBON EMISSION FLOW IN LONG-PROCESS IRON AND STEEL ENTERPRISES

#4
20250257415
2025-08-14

HYDROGEN-RICH BLAST FURNACE IRONMAKING SYSTEM BASED ONMASS-ENERGY CONVERSION, AND PRODUCTION CONTROL METHOD THEREFOR

#5
20250101538
2025-03-27

Gas Injection Control System For Blast Furnace, And Control Method

#6
20240425941
2024-12-26

GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS

#7
20240271231
2024-08-15

SUPPLY HEAT AMOUNT ESTIMATING METHOD, SUPPLY HEAT AMOUNT ESTIMATING DEVICE, AND BLAST FURNACE OPERATING METHOD

#8
20240229175
2024-07-11

A method of manufacturing of a steel product in several steelmaking units

#9
20240229174
2024-07-11

Method of manufacturing steel

#10
20240229171
2024-07-11

Manufacturing method of a steel product

#11
20240218471
2024-07-04

SUPPLIED HEAT QUANTITY ESTIMATION METHOD, SUPPLIED HEAT QUANTITY ESTIMATION DEVICE, SUPPLIED HEAT QUANTITY ESTIMATION PROGRAM, AND BLAST FURNACE OPERATION METHOD

#12
20240167111
2024-05-23

METHOD FOR PRODUCING PIG IRON

#13
20240132984
2024-04-25

A method of manufacturing of a steel product in several steelmaking units

#14
20240132983
2024-04-25

Method of manufacturing steel

#15
20240132981
2024-04-25

Manufacturing method of a steel product

#16
20230313329
2023-10-05

OPERATION GUIDANCE METHOD, BLAST FURNACE OPERATION METHOD, HOT METAL MANUFACTURING METHOD, AND OPERATION GUIDANCE APPARATUS

#17
20230183826
2023-06-15

Seal gas optimization systems and methods for a direct reduction process

#18
20230151447
2023-05-18

OPTIMAL CALCULATION METHOD OF ENERGY OPERATING CONDITION IN IRON MILL, OPTIMAL CALCULATION DEVICE OF ENERGY OPERATING CONDITION IN IRON MILL, AND RUNNING METHOD OF IRON MILL

#19
20220205893
2022-06-30

Fine ratio measuring method and apparatus

#20
20220119899
2022-04-21

Blast furnace operation method

#21
20210395843
2021-12-23

Seal gas optimization systems and methods for a direct reduction process

#22
20200172989
2020-06-04

Manufacturing process control with deep learning-based predictive model for hot metal temperature of blast furnace

#23
20190370953
2019-12-05

Fine ratio measuring device and fine ratio measuring system

#24
20190095816
2019-03-28

Method for automated control of circumferential variability of blast furnace

#25
20190095812
2019-03-28

Automated control of circumferential variability of blast furnace

#26
20190093187
2019-03-28

Manufacturing process control with deep learning-based predictive model for hot metal temperature of blast furnace

#27
20190093186
2019-03-28

Manufacturing process control with deep learning-based predictive model for hot metal temperature of blast furnace

#28
20170296966
2017-10-19

Monitoring system for annular scrubbers

#29
20170016080
2017-01-19

Method for loading and depositing loaded material in blast furnace, loaded material surface detection device, and method for operating blast furnace

#30
20160312320
2016-10-27

Method to operate a smelt cyclone

#31
20160148365
2016-05-26

Abnormality detection method and blast furnace operation method

#32
20150284816
2015-10-08

SLAG REMOVAL DEVICE

#33
20150275321
2015-10-01

Method for operating blast furnace and method for producing molten pig iron

#34
20150218666
2015-08-06

BLAST FURNACE INSTALLATION

#35
20150176095
2015-06-25

Shaft furnace and method of operating same

#36
20150159952
2015-06-11

Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof

#37
20130270752
2013-10-17

Process for operating a blast furnace installation with top gas recycling

#38
20120312125
2012-12-13

Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof

#39
20110193274
2011-08-11

Resident measurement system for charge level of blast furnace

#40
20110170114
2011-07-14

Method of controlling a transformation process of charge material to a product

#41
20050027493
2005-02-03

Prediction of cavity size in the packed bed systems using new correlations and mathematical model