ClassID:

161559

F27D17/002 - CPC Classification

Classification description:

Arrangements for using waste heat ; Arrangements for using, or disposing of, waste gases; Extraction of waste gases, collection of fumes and hoods used therefor Details of the installations, e.g. fume conduits or seals

Recent Application in this class:
#1
20250020406
2025-01-16

EXHAUST STRUCTURE AND ELECTRODE HEAT TREATMENT DEVICE COMPRISING THE SAME

#2
20240401883
2024-12-05

EXHAUST STACK FOR GLASS MELTER

#3
20240352568
2024-10-24

METAL FUME REDUCTION APPARATUS FOR SNOUT, SNOUT APPARATUS, AND PLATING FACILITY

#4
20240200776
2024-06-20

PASS-THROUGH DEVICE FOR A CHIMNEY

#5
20240084410
2024-03-14

BLEED-OFF GAS RECOVERY IN A DIRECT REDUCTION PROCESS

#6
20240044580
2024-02-08

Metallurgical furnace having an integrated off-gas hood

#7
20230295756
2023-09-21

Process and plant for preheating a metal charge fed in continuous to an electric melting furnace

#8
20230258326
2023-08-17

SYSTEMS AND METHODS FOR UTILIZING FLUE GAS

#9
20230251037
2023-08-10

Devices, systems and methods for effluent removal from furnace process gas

#10
20230243591
2023-08-03

REGENERATORS WITH PRESSURIZED CAVITY IN PARTITION WALLS

#11
20230111491
2023-04-13

SYSTEM FOR TREATING TIN SMELTING INTERMEDIATE MATERIALS AND METHOD FOR TREATING SAME

#12
20230025710
2023-01-26

DIVERTER PLATE FOR FURNACE OF HVAC SYSTEM

#13
20220285177
2022-09-08

Exhaust system and process equipment

#14
20220213895
2022-07-07

Rotor and rotor shaft for molten metal

#15
20220183304
2022-06-16

WOOD-BURNING OVEN

#16
20220136770
2022-05-05

MULTI-HALF PIPE HEAT EXCHANGE SYSTEM FOR ELECTRIC ARC, METALLURGICAL OR REFINING FURNACES AND SYSTEM THEREOF

#17
20220065534
2022-03-03

Furnace for producing secondary battery cathode material and method for firing secondary battery cathode material

#18
20220049900
2022-02-17

Metallurgical furnace having an integrated off-gas hood

#19
20220026150
2022-01-27

Exhaust hood overflow system

#20
20220026149
2022-01-27

Induration machine

#21
20210348848
2021-11-11

Carbon Baking Furnace

#22
20210262048
2021-08-26

Process and plant for preheating a metal charge fed in continuous to an electric melting furnace

#23
20210207889
2021-07-08

Device for diversion of quenching waste gas and diversion method thereof

#24
20210190373
2021-06-24

Diverter plate for furnace of HVAC system

#25
20210123118
2021-04-29

Dross management system and method

#26
20210040573
2021-02-11

Smelting assembly for the production of steel

#27
20200393198
2020-12-17

Hood for Si-metal tapping

#28
20200300547
2020-09-24

Regenerators with pressurized cavity in partition walls

#29
20200208833
2020-07-02

Systems and methods for Utilizing flue gas

#30
20200164433
2020-05-28

Melting apparatus for the production of steel

#31
20200025448
2020-01-23

Metallurgical furnace having an integrated off-gas hood

#32
20190360492
2019-11-28

COUPLING AND ROTOR SHAFT FOR MOLTEN METAL DEVICES

#33
20190360491
2019-11-28

COUPLING AND ROTOR SHAFT FOR MOLTEN METAL DEVICES

#34
20190348309
2019-11-14

Thermal chamber exhaust structure and method

#35
20190310019
2019-10-10

Carbon Baking Furnace

#36
20190093878
2019-03-28

Waste heat recovery boiler in producing glass beads

#37
20190035653
2019-01-31

Thermal chamber exhaust structure and method

#38
20190024980
2019-01-24

DUCT SYSTEM WITH INTEGRATED WORKING PLATFORMS

#39
20180245222
2018-08-30

Continuous annealing equipment

#40
20180195802
2018-07-12

Regenerators with pressurized cavity in partition walls

#41
20180195513
2018-07-12

Rotor and rotor shaft for molten metal

#42
20180112916
2018-04-26

Dividing-wall rotary kiln apparatus

#43
20180045466
2018-02-15

GAS EXHAUSTING SYSTEM AND METHOD FOR EXHAUSTING GAS

#44
20180038655
2018-02-08

Adjustable heat exchange apparatus and method of use

#45
20170314861
2017-11-02

Method for reducing molten raw materials, and device for carrying out said method

#46
20170233839
2017-08-17

BLAST FURNACE PLANT

#47
20170160013
2017-06-08

Denitration and waste heat recovery integrated furnace

#48
20170121781
2017-05-04

Apparatus to move and preheat metal material

#49
20170051381
2017-02-23

Dross management system and method

#50
20170038146
2017-02-09

Immersion heater for molten metal

#51
20160310891
2016-10-27

Solvent separator and heat treatment apparatus

#52
20160290722
2016-10-06

Gas purging element and associated gas connection element

#53
20160258073
2016-09-08

Pot heat exchanger

#54
20160252305
2016-09-01

Method and arrangement for feeding process gases from a suspension smelting furnace into a waste heat boiler

#55
20160252304
2016-09-01

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

#56
20160209117
2016-07-21

Refractory ceramic gas purging element

#57
20160208351
2016-07-21

Methods and systems for producing high carbon content metallic iron using coke oven gas

#58
20160187078
2016-06-30

Method and apparatus for improving thermal efficiency of heating device

#59
20160168653
2016-06-16

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

#60
20160102375
2016-04-14

Method and plant for producing iron from roasted pyrites

#61
20160053814
2016-02-25

Coupling and rotor shaft for molten metal devices

#62
20160053762
2016-02-25

Rotor and rotor shaft for molten metal

#63
20150345869
2015-12-03

Reformer gas-based reducing method with reduced NOemission

#64
20150308746
2015-10-29

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

#65
20150292802
2015-10-15

Carbon Baking Furnace

#66
20150219396
2015-08-06

Flue gas recirculation method and system for combustion systems

#67
20150176099
2015-06-25

Furnace and system for heat treating material

#68
20150159232
2015-06-11

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

#69
20150153106
2015-06-04

Apparatus and method to feed and preheat a metal charge to a melting furnace

#70
20150135900
2015-05-21

Method and system for operating a blast furnace with top-gas recycle and a fired tubular heater

#71
20140353886
2014-12-04

Purification, Recovery, and Recycle of Vent Gas

#72
20140230606
2014-08-21

IRONMAKING PROCESS AND INSTALLATION

#73
20140127636
2014-05-08

Energy efficient furnace with coaxial segmented center hearth and multiple combustion stages with regenerative heat return

#74
20140124993
2014-05-08

OFF-GAS CHANNEL

#75
20130154167
2013-06-20

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

#76
20130139647
2013-06-06

Partially-reduced iron producing method and partially-reduced iron producing apparatus

#77
20120160062
2012-06-28

Reformer gas-based reducing method with reduced NO emission

#78
20120141354
2012-06-07

Methods and systems for recovery of COgas in cement-manufacturing facilities, and processes for manufacturing cement

#79
20110148012
2011-06-23

Immersion heater for molten metal

#80
20100273121
2010-10-28

OVEN EXHAUST FAN SYSTEM AND METHOD

#81
20100107939
2010-05-06

Treatment method for high-temperature exhaust gas

#82
20100028821
2010-02-04

Fine dust removal system for lime kiln

#83
20080296006
2008-12-04

ADJUSTABLE HEAT EXCHANGE APPARATUS AND METHOD OF USE

#84
20080173217
2008-07-24

Methods for reclaiming and beneficiating fly ash particles and systems thereof

#85
20070075468
2007-04-05

Cooling exhaust gases from smelting furnace

#86
20070074644
2007-04-05

Support system for smelting-furnace exhaust-gas stack

#87
18242752
2024-03-26

High-temperature flue gas recovery apparatus for melting furnace