C21B7/20 - CPC Classification Index

#1

20240052439

2024-02-15

METHOD FOR CHARGING RAW MATERIALS INTO BLAST FURNACE

#2

20240002963

2024-01-04

Improved blast furnace distributing device with nitrogen sealing structure

#3

20210190426

2021-06-24

Blast furnace apparatus and operation method for blast furnace

#4

20210095353

2021-04-01

Method for charging raw materials into blast furnace

#5

20210033339

2021-02-04

Method for charging raw materials into blast furnace

#6

20190219335

2019-07-18

Material hopper, in particular for a blast furnace

#7

20180371559

2018-12-27

Blast furnace stockhouse arrangement

#8

20180266768

2018-09-20

Sealing valve arrangement for a shaft furnace charging installation

#9

20180216203

2018-08-02

Device for delivering filler material into a blast furnace

#10

20180195139

2018-07-12

Bellow compensator

#11

20170307293

2017-10-26

Device for cooling a shaft furnace distribution chute support journals

#12

20170198972

2017-07-13

Gearbox assembly for a charging installation of a metallurgical reactor

#13

20170175211

2017-06-22

Device for immobilizing the chute on the ends of journals in an apparatus for loading a shaft furnace

#14

20150338166

2015-11-26

Shaft furnace charging device equipped with a cooling system and annular swivel joint therefore

#15

20150211793

2015-07-30

Rotary charging device for shaft furnace

#16

20150204608

2015-07-23

Rotary charging device for shaft furnace

#17

20140246815

2014-09-04

Blast furnace installation

#18

20140131162

2014-05-15

Distribution chute for a charging device

#19

20140112738

2014-04-24

Door and valve assembly for a charging installation of a shaft furnace

#20

20130206358

2013-08-15

Panel cooled with a fluid for metallurgic furnaces, a cooling system for metallurgic furnaces comprising such a panel and metallurgic furnace incorporating them

#21

20130039723

2013-02-14

Device for distributing bulk material with a distribution spout supported by a cardan suspension

#22

20120181140

2012-07-19

Loading device

#23

20120148373

2012-06-14

HYDRAULIC DISTRIBUTOR FOR TOP CHARGING A BLAST FURNACE

#24

20120141234

2012-06-07

Shaft furnace charging device equipped with a cooling system and annular swivel joint therefore

#25

20120070253

2012-03-22

DEVICE FOR DISTRIBUTING CHARGE MATERIAL IN A SHAFT FURNANCE

#26

20120068392

2012-03-22

Device for distributing charge material into a shaft furnace

#27

20120045298

2012-02-23

SHAFT FURNACE CHARGING INSTALLATION HAVING A DRIVE MECHANISM FOR A DISTRIBUTION CHUTE

#28

20120043705

2012-02-23

Method for feeding a burden to a blast furnace

#29

20120039700

2012-02-16

Method for feeding a burden to a blast furnace

#30

20110311926

2011-12-22

Method and system for adjusting the flow rate of charge material in a charging process of a shaft furnace

#31

20110311346

2011-12-22

Method and system for adjusting the flow rate of charge material in a charging process of a shaft furnace

#32

20110282494

2011-11-17

Computer system and method for controlling charging of a blast furnace by means of a user interface

#33

20110274519

2011-11-10

Lower sealing valve unit for a blast furnace top charging system

#34

20110271884

2011-11-10

SHAFT FURNACE CHARGING INSTALLATION

#35

20110182700

2011-07-28

LOWER SEALING VALVE ASSEMBLY FOR A SHAFT FURNACE CHARGING INSTALLATION AND VALVE ACTUATION MECHANISM THEREFORE

#36

20110135425

2011-06-09

CHARGING INSTALLATION FOR A SHAFT FURNACE AND LOWER SEALING VALVE ASSEMBLY THEREFORE

#37

20110132242

2011-06-09

Furnace chute

#38

20110070150

2011-03-24

Device for selectively dispensing limestone for a regenerating oven and process for selectively loading limestone in a regenerating oven using such device

#39

20110002758

2011-01-06

Charging device for a shaft furnace

#40

20100329826

2010-12-30

Charging device for distributing bulk material

#41

20100322744

2010-12-23

CHARGE DISTRIBUTION APPARATUS

#42

20100290866

2010-11-18

Distributor device

#43

20100283192

2010-11-11

Reducing furnace and apparatus for manufacturing molten iron comprising the same

#44

20100028116

2010-02-04

Rotary batch distributor

#45

20100028106

2010-02-04

Rotary charging device for a shaft furnace

#46

20090180845

2009-07-16

CHARGING DEVICE FOR A SHAFT FURNACE

#47

20090129896

2009-05-21

Charging device and distribution chute for a shaft furnace

#48

20090092465

2009-04-09

Multiple hopper charging installation for a shaft furnace

#49

20090087284

2009-04-02

Three hopper charging installation for a shaft furnace

#50

20090044594

2009-02-19

Method and device for calibrating a weighing system of a blast furnace top hopper

#51

20080302796

2008-12-11

Apparatus and method for closing or opening an opening, especially a bottom opening of a material hopper for a blast furnace, and blast furnace having such an apparatus

#52

20080290567

2008-11-27

Rotary charging device for a shaft furnace equipped with a cooling system

#53

20080282841

2008-11-20

Method and device for charging feedstock

#54

20080232940

2008-09-25

Charging device for a shaft furnace

#55

20080211146

2008-09-04

Installation for supplying materials into metallurgical unit

#56

20080193261

2008-08-14

Device for Selectively Dispensing Limestone for a Regenerating Oven and Process for Selectively Loading Limestone in a Regenerating Oven Using Such Device

#57

20080008563

2008-01-10

Device for distributing material into an enclosure

#58

20070257406

2007-11-08

Distributor Of Hot Feed Material

#59

20070192070

2007-08-16

IMAGING SYSTEM AND METHOD FOR DETERMINING FALLING CURVES

#60

20060233630

2006-10-19

Apparatus for operating a distribution chute for changing ores and coals into a furnace

#61

20060182617

2006-08-17

Hopper-loading method and installation

#62

20050063804

2005-03-24

Charging device with rotary chute

#63

20050063803

2005-03-24

Device for the distribution of loose material into at least two hoppers arranged above the mouth of a blast furnace