C21C5/38 - CPC Classification Index

ClassID:

118822 ⎘

C21C5/38 - 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 Removal of waste gases or dust

Sub-classes:

C21C5/40 » Offtakes or separating apparatus for converter waste gases or dust 22

Recent Application in this class:

20260043097

2026-02-12

Blast Furnace - Converter Steel Production Method Based on Carbon Cycling

20250369060

2025-12-04

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

20240229175

2024-07-11

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

20240229174

2024-07-11

Method of manufacturing steel

20240132984

2024-04-25

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

20240132983

2024-04-25

Method of manufacturing steel

20240044580

2024-02-08

Metallurgical furnace having an integrated off-gas hood

20220049900

2022-02-17

Metallurgical furnace having an integrated off-gas hood

20210238700

2021-08-05

PLANT COMPLEX FOR PRODUCING STEEL AND A METHOD FOR OPERATING THE PLANT COMPLEX

#10

20200240711

2020-07-30

Dry dust removal from furnace gas

#11

20200025448

2020-01-23

Metallurgical furnace having an integrated off-gas hood

#12

20170335417

2017-11-23

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

#13

20170051369

2017-02-23

Method for recycling-processing of dust generated in converter furnace, and method for manufacturing steel

#14

20160348196

2016-12-01

Method for generating synthesis gas in conjunction with a smelting works

#15

20160348195

2016-12-01

Plant combination for producing steel and method for operating the plant combination

#16

20160326605

2016-11-10

Combined system for producing steel and method for operating the combined system

#17

20160319381

2016-11-03

METHOD FOR REDUCING CO2 EMISSIONS IN THE OPERATION OF A METALLURGICAL PLANT

#18

20160304978

2016-10-20

Combined system for producing steel and method for operating the combined system

#19

20150159232

2015-06-11

Device for recovering heat and fumes from slag resulting from the steel production cycle

#20

20140023559

2014-01-23

Cleaning tool for cleaning particles contained in a slurry

#21

20120167714

2012-07-05

Systems and methods for recycling steelmaking converter sludge

#22

20110073023

2011-03-31

Exhaust processing and heat recovery system

#23

20110041517

2011-02-24

Method for reforming exhaust gas generated from metallurgical furnace, method for cooling exhaust gas and apparatus therefor

#24

20110036204

2011-02-17

METHOD FOR PRODUCING REDUCED IRON

#25

20110011211

2011-01-20

Metallurgical process and plant therefor

#26

20100263488

2010-10-21

Method of production of secondary steel based on scrap

#27

20100258985

2010-10-14

Installation for production of secondary steel based on scrap

#28

20100218646

2010-09-02

Producing method of direct reduced iron

#29

20100192726

2010-08-05

Method for reduction treatment of electric furnace dust

#30

20090309275

2009-12-17

Direct smelting plant

#31

20090218737

2009-09-03

Direct smelting plant

#32

20090194919

2009-08-06

Direct smelting plant

#33

20090166937

2009-07-02

Direct smelting plant

#34

20080115625

2008-05-22

Method and installation for production of secondary steel based on scrap

#35

20070296976

2007-12-27

Non-contact exhaust gas measurement by means of FTIR spectrometry in metallurgical installations

#36

20060234171

2006-10-19

Fuel gas calorie control method and device

#37

20050217423

2005-10-06

Furnace residue cleaning method