C21B3/00 - CPC Classification Index

ClassID:

118700 ⎘

C21B3/00 - CPC Classification

Classification description:

General features in the manufacture of pig-iron

Sub-classes:

C21B3/02 » by applying additives, e.g. fluxing agents 21
C21B3/04 » Recovery of by-products, e.g. slag 48

Recent Application in this class:

20250034665

2025-01-30

CATCHMENT PIT FOR MOLTEN METAL AND COOLANT WATER

20230002853

2023-01-05

Production of Iron

20230002852

2023-01-05

Production of iron

20150176905

2015-06-25

METHOD AND SYSTEM FOR PRODUCING PIG IRON OR FLUID STEEL PRE-PRODUCTS

20150115508

2015-04-30

Burning apparatus and method for manufacturing reduced iron using the same

20150040722

2015-02-12

Iron reduction process and equipment

20150027275

2015-01-29

Process for manufacturing reduced iron agglomerates

20150013497

2015-01-15

PROCESS FOR RECOVERY OF IRON/STEEL FROM MILL SCALES AND FINES

20140196571

2014-07-17

Process and device for charging into a smelting unit

#10

20130276584

2013-10-24

Production of iron

#11

20130276582

2013-10-24

PHYSICAL PROCESS FOR THE RECOVERY OF IRON FROM MAGNETIC CEMENTITIOUS SPHERICAL PARTICLES GENERATED FROM METALLURGICAL BYPRODUCTS

#12

20130154166

2013-06-20

Method for increasing the penetration depth of an oxygen stream

#13

20130149219

2013-06-13

Separation of iron from value metals in leaching of laterite ores

#14

20130108526

2013-05-02

METHOD FOR MATERIALS RECOVERY FROM CATALYSTS COMPRISING IRON, CERIUM, MOLYBDENUM, AND POTASSIUM

#15

20120279356

2012-11-08

Process and device for charging into a smelting unit

#16

20120036961

2012-02-16

Method and system for producing pig iron or fluid steel pre-products