ClassID:

160901

F27B1/16 - CPC Classification

Classification description:

Shaft or like vertical or substantially vertical furnaces; Details, accessories, or equipment peculiar to furnaces of these types Arrangements of tuyeres

Recent Application in this class:
#1
20260029196
2026-01-29

TUYERE SLEEVE FOR HYDROGEN-ENRICHED CARBONIC OXIDE RECYCLING OXYGENATE FURNACE AND CONTROLLING METHOD THEREFOR

#2
20240361074
2024-10-31

PARALLEL-FLOW REGENERATIVE SHAFT KILN AND METHOD FOR BURNING CARBONATE ROCK

#3
20230375272
2023-11-23

BLAST FURNACE WITH SHAFT FEEDING OF HOT PROCESS GAS

#4
20230366049
2023-11-16

Device to inject a reducing gas into a shaft furnace

#5
20230175085
2023-06-08

BLAST FURNACE OPERATION METHOD

#6
20230106711
2023-04-06

METHOD FOR BURNING CARBON-CONTAINING MATERIAL IN A PFR SHAFT FURNACE

#7
20220298591
2022-09-22

Tuyere stock, method of fabricating the same, and air blast system for melting furnace

#8
20200385826
2020-12-10

Extraction device for a tuyere part

#9
20200348021
2020-11-05

Reactor for a process of advanced combustion for burning biomass and waste

#10
20200149124
2020-05-14

Method for operating an iron- or steelmaking- plant

#11
20200071229
2020-03-05

METHOD AND DEVICE FOR PRODUCING AN EXPANDED GRANULATE

#12
20190071351
2019-03-07

PROCESS AND PLANT FOR MANUFACTURING CEMENT IN THE OXYFUEL MODE

#13
20180283790
2018-10-04

Raw material supply device, flash smelting furnace and nozzle member

#14
20180283788
2018-10-04

Process for calcining mineral rock in a regenerative parallel-flow vertical shaft furnace, and furnace used

#15
20180044745
2018-02-15

Method for operating blast furnace

#16
20180023152
2018-01-25

Method for operating blast furnace

#17
20170343285
2017-11-30

Metallurgical furnace for producing metallic alloys

#18
20170248368
2017-08-31

Method for controlling the suspension in a suspension smelting furnace

#19
20170191757
2017-07-06

OXYGEN BOOSTING AND NATURAL GAS REPLACEMENT OF COKE IN CUPOLAS

#20
20170016673
2017-01-19

Method for operating a shaft furnace

#21
20160320125
2016-11-03

Metallurgical furnace

#22
20160208349
2016-07-21

METHOD FOR OPERATING A BLAST FURNACE

#23
20160168653
2016-06-16

Methods and systems for producing direct reduced iron incorporating a carbon dioxide and steam reformer fed by recovered carbon dioxide

#24
20160148365
2016-05-26

Abnormality detection method and blast furnace operation method

#25
20160053338
2016-02-25

Blast furnace operation method

#26
20160040261
2016-02-11

Blast furnace operation method and lance

#27
20150284816
2015-10-08

SLAG REMOVAL DEVICE

#28
20150218666
2015-08-06

BLAST FURNACE INSTALLATION

#29
20150210593
2015-07-30

Optimised vertical-shaft kiln for producing sulfoaluminous clinker

#30
20150203929
2015-07-23

METHOD FOR PRODUCING PIG IRON AND BLAST FURNACE FACILITY USING SAME

#31
20150197699
2015-07-16

METHOD FOR PRODUCING CARBONIZED COAL, METHOD FOR WORKING BLAST FURNACE, AND METHOD FOR OPERATING BOILER

#32
20150184939
2015-07-02

BLAST FURNACE INSTALLATION

#33
20150176095
2015-06-25

Shaft furnace and method of operating same

#34
20150021837
2015-01-22

System of leaktight connection between a tuyere and a hot blast inlet nozzle for a shaft furnace, and steel-making blast furnace comprising such a system

#35
20140138883
2014-05-22

Melting reduction assembly and method for operating a melting reduction assembly

#36
20130061786
2013-03-14

Tuyere stock arrangement of a blast furnace

#37
20120217684
2012-08-30

Method for operating a shaft furnace, and shaft furnace operable by that method

#38
20120187613
2012-07-26

Tuyere for iron making furnace

#39
20120111245
2012-05-10

Device for regulating the temperature of a gas in a hot gas main

#40
20120007291
2012-01-12

Tuyere stock arrangement for a blast furnace and method for feeding hot blast into a blast furnace

#41
20110272868
2011-11-10

Bustle pipe arrangement

#42
20110253017
2011-10-20

Bustle pipe arrangement

#43
20110180978
2011-07-28

Method for feeding pulverised coal into a blast furnace

#44
20110126672
2011-06-02

Method and device for the continuous production of steel using metal charge material

#45
20110109024
2011-05-12

APPARATUS FOR INSERTION AND EXTRACTION OF FUEL INJECTION LANCES INTO AND OUT OF THE TUYERE STOCK OF A FURNACE BLAST

#46
20110101576
2011-05-05

Tuyere for Manufacturing Molten Iron and Method for Injecting Gas Using the Same

#47
20110088600
2011-04-21

Eddy-free high velocity cooler

#48
20110017021
2011-01-27

Lance for injecting solid material into a vessel

#49
20100320653
2010-12-23

Tuyere structure of melting furnace

#50
20100294080
2010-11-25

Method for the production and the melting of liquid pig iron or of liquid steel intermediate products in a melt-down gasifier

#51
20100251855
2010-10-07

Shaft furnace and method for operating a furnace

#52
20100186552
2010-07-29

Melting starting material in a cupola furnace

#53
20090314035
2009-12-24

Method for producing mineral wool

#54
20090309275
2009-12-17

Direct smelting plant

#55
20090266200
2009-10-29

Method for reducing metal oxide slags or glasses and/or for degassing mineral melts, and device for carrying out said method

#56
20090218737
2009-09-03

Direct smelting plant

#57
20090194919
2009-08-06

Direct smelting plant

#58
20090166937
2009-07-02

Direct smelting plant

#59
20090065984
2009-03-12

Smelting apparatus

#60
20090044568
2009-02-19

Submerged fired vertical furnance

#61
20080277843
2008-11-13

Method for supersonically injecting oxygen into a furnace

#62
20080237944
2008-10-02

Method for operating a shaft furnace, and shaft furnance operable by that method

#63
20080211148
2008-09-04

Apparatus and method for injection of fluid hydrocarbons into a blast furnace

#64
20080202061
2008-08-28

Direct smelting plant

#65
20080118880
2008-05-22

Process and apparatus for calcining solids or sludges

#66
20080017085
2008-01-24

Vertical shaft melting furnace

#67
20070235910
2007-10-11

Double chamber single directional spiral tuyere for blast furnaces

#68
20070205543
2007-09-06

Oxidant-swirled fossil fuel injector for a shaft furnace

#69
20070200280
2007-08-30

Method for protecting a tuyere assembly and a refractory lining of a furnace

#70
20070175297
2007-08-02

Launder burner

#71
20070137436
2007-06-21

Method for the thermal treatment of raw materials and a device for carrying out said method

#72
20060226254
2006-10-12

Method for unlocking nozzles of reactors

#73
20050206051
2005-09-22

Tuyere cooling system

#74
20050161868
2005-07-28

Vertical shaft melting furnace

#75
20050155457
2005-07-21

Method and device for the continuous production of steel using metal charge material