ClassID:

118823

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

Recent Application in this class:
#1
20250271216
2025-08-28

METALLURGICAL PLANT AND METHOD

#2
20250034668
2025-01-30

Steelmaking method and associated network of plants

#3
20240210115
2024-06-27

STEEL MAKING PLANT WITH ELECTRIC ARC FURNACE

#4
20200164433
2020-05-28

Melting apparatus for the production of steel

#5
20180311613
2018-11-01

Process and device for treating furnace gas

#6
20180304185
2018-10-25

PROCESS AND FILTER DEVICE FOR CLEANING FURNACE GAS

#7
20170003695
2017-01-05

Method and apparatus for the energy-efficient operation of secondary dust removal systems

#8
20160319383
2016-11-03

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

#9
20160304978
2016-10-20

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

#10
20160186278
2016-06-30

Method for Recycling-Processing of Dust Generated in Converter Furnace

#11
20140023559
2014-01-23

Cleaning tool for cleaning particles contained in a slurry

#12
20130154167
2013-06-20

Rotary hearth furnace exhaust gas duct apparatus and method for operating same

#13
20130112112
2013-05-09

Coating for machine parts used in the production of pig iron or steel

#14
20130032005
2013-02-07

BENTONITE-BOUND COMPACTS OF UNDERSIZED OXIDIC IRON CARRIERS

#15
20120320941
2012-12-20

Waste heat recovery structure for steel making electric arc furnaces, steel making electric arc furnace facility, and waste heat recovery method for steel making electric arc furnaces

#16
20120167714
2012-07-05

Systems and methods for recycling steelmaking converter sludge

#17
20120125595
2012-05-24

EXHAUST DUCT HAVING MODULAR, MULTI ZONE, SPIRALLY ARRAYED COOLING COILS AND METHOD FOR COOLING

#18
20110252967
2011-10-20

Method and arrangement for removing solid particles and tar component from carbon monoxide gas

#19
20110079109
2011-04-07

Method of operating a converter and apparatus for carrying out the method

#20
20100242683
2010-09-30

PROCESS FOR TREATING EXHAUST GAS GENERATED DURING WATER-GRANULATION OF SLAG AND SYSTEM FOR SAID TREATMENT

#21
20100123275
2010-05-20

Off-gas heat recovery and particulate collection

#22
20090165599
2009-07-02

Method for recycling steelmaking dust

#23
20080035320
2008-02-14

Heat exchanger system used in steel making

#24
20050077658
2005-04-14

Fume treatment system and method