C21C2100/02 - CPC Classification Index

#1

20260043097

2026-02-12

Blast Furnace - Converter Steel Production Method Based on Carbon Cycling

#2

20250271216

2025-08-28

METALLURGICAL PLANT AND METHOD

#3

20250188554

2025-06-12

SYSTEMS AND METHODS FOR SELF-REDUCTION OF IRON ORE

#4

20250115971

2025-04-10

SOLID OXIDE ELECTROLYZER CELL (SOEC) SYSTEM INTEGRATION WITH DIRECT IRON REDUCTION

#5

20240229176

2024-07-11

Systems and methods for self-reduction of iron ore

#6

20240229175

2024-07-11

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

#7

20240229174

2024-07-11

Method of manufacturing steel

#8

20240210115

2024-06-27

STEEL MAKING PLANT WITH ELECTRIC ARC FURNACE

#9

20240132984

2024-04-25

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

#10

20240132983

2024-04-25

Method of manufacturing steel

#11

20180311613

2018-11-01

Process and device for treating furnace gas

#12

20180304185

2018-10-25

PROCESS AND FILTER DEVICE FOR CLEANING FURNACE GAS

#13

20170036913

2017-02-09

Methods for treating an offgas containing carbon oxides

#14

20170003695

2017-01-05

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

#15

20160376673

2016-12-29

Asbestos processing

#16

20160326605

2016-11-10

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

#17

20160304978

2016-10-20

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

#18

20150344982

2015-12-03

Lance and operation method using the same

#19

20150308746

2015-10-29

Apparatus for conveying and pre-heating a metal charge for a melting plant and connected method

#20

20150259758

2015-09-17

Starting a smelting process

#21

20150059527

2015-03-05

Methods for treating an offgas containing carbon oxides

#22

20140023577

2014-01-23

Method for treating a carbon dioxide-containing waste gas from an electrofusion process

#23

20130196271

2013-08-01

Material utilization with an electropositive metal

#24

20130178677

2013-07-11

Method and a system for converting carbon dioxide into chemical starting materials

#25

20120213684

2012-08-23

COMBUSTION OF CO AND COMBUSTIBLES IN STEEL FURNACE OFFGASES

#26

20120192677

2012-08-02

Method for making liquid iron and steel

#27

20120125595

2012-05-24

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

#28

20120119424

2012-05-17

System and method for producing metallic iron

#29

20120031232

2012-02-09

Method and apparatus for coproduction of pig iron and high quality syngas

#30

20110314966

2011-12-29

Method and apparatus for direct reduction ironmaking

#31

20110094340

2011-04-28

COMBUSTION OF CO AND COMBUSTIBLES IN STEEL FURNACE OFFGASES

#32

20110041517

2011-02-24

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

#33

20110036204

2011-02-17

METHOD FOR PRODUCING REDUCED IRON

#34

20100011908

2010-01-21

PRESSURE CONTROL IN DIRECT SMELTING PROCESS

#35

20090320647

2009-12-31

Pressure control in direct smelting process

#36

20090308205

2009-12-17

DIRECT SMELTING PLANT WITH WASTE HEAT RECOVERY UNIT

#37

20090230598

2009-09-17

Co-Production of Steel, Titanium and High Grade Oxide

#38

20090229414

2009-09-17

System and method for producing metallic iron

#39

20090077891

2009-03-26

METHOD FOR PRODUCING FUEL GAS