ClassID:

118701

C21B3/02 - CPC Classification

Classification description:

General features in the manufacture of pig-iron by applying additives, e.g. fluxing agents

Recent Application in this class:
#1
20260139336
2026-05-21

SULFUR MANAGEMENT IN A SMELTING PROCESS

#2
20260043100
2026-02-12

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

#3
20260022428
2026-01-22

Method for manufacturing pig iron into an electrical smelting furnace and associated smelting furnace

#4
20240425941
2024-12-26

GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS

#5
20230257837
2023-08-17

Process for preparation and use of inorganic markers for security identification/marking on explosives, fuses and ammunition after detonation and on firearms and metal projectiles, products obtained and process of inserting markers on explosives, fuses and ammunition and on firearms and metal projectiles

#6
20230082269
2023-03-16

METHOD FOR IRON MAKING BY CONTINUOUS SMELTING REDUCTION

#7
20220403481
2022-12-22

System and method for the production of hot briquetted iron (HBI) containing flux and/or carbonaceous material at a direct reduction plant

#8
20220081733
2022-03-17

Method of manufacturing iron in a metallurgical vessel

#9
20200199696
2020-06-25

FOAMY SLAG CONDITIONER COMPOUND

#10
20180320245
2018-11-08

Cokeless sinter blend compositions

#11
20180087120
2018-03-29

METHOD AND APPARATUS FOR TREATING IRON-CONTAINED RAW MATERIAL USING BATH SMELTING FURNACE

#12
20170247772
2017-08-31

Composite Particle For Steel Making and Ore Refining

#13
20170218469
2017-08-03

Method for desulfurizing

#14
20170211160
2017-07-27

PULVERIZED COAL FOR PIG-IRON MAKING COMPRISING COW MANURE, AND PIG-IRON PRODUCTION METHOD USING SAME

#15
20170145527
2017-05-25

System and Method for Forming Spherical Silica-Based Proppant and Pig Iron Utilizing Mining Slag

#16
20160312320
2016-10-27

Method to operate a smelt cyclone

#17
20160123668
2016-05-05

Sand dispensing system and method of dispensing sand into a metal making furnace

#18
20160060726
2016-03-03

Green process for the preparation of pure iron

#19
20150159952
2015-06-11

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

#20
20150027274
2015-01-29

Desulfurization Agent Containing Bitumen, Method for the Production Thereof, and Use Thereof

#21
20140345422
2014-11-27

Method for recovering valuable metals

#22
20140331821
2014-11-13

Producing of pig iron from iron-containing materials

#23
20140008846
2014-01-09

Shallow metallurgical wire injection method and related depth control

#24
20120312125
2012-12-13

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