ClassID:

161067

F27B9/028 - CPC Classification

Classification description:

Furnaces through which the charge is moved mechanically, e.g. of tunnel type ; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces Multi-chamber type furnaces,

Recent Application in this class:
#1
20260124785
2026-05-07

RAPID CERAMIC PROCESSING TECHNIQUES AND EQUIPMENT

#2
20260110494
2026-04-23

SPIRAL DUCT AND SPIRAL OVEN

#3
20260092739
2026-04-02

OVEN

#4
20260085891
2026-03-26

OXYGEN CONCENTRATION DETECTION SYSTEM AND REFLOW OVEN USING THE SAME

#5
20260085888
2026-03-26

HEAT TREATMENT FURNACE WITH STABLE CONVEYANCE

#6
20250383154
2025-12-18

HEAT TREATMENT SYSTEM

#7
20250362083
2025-11-27

FURNACE

#8
20250296115
2025-09-25

SYSTEM AND PROCESS FOR CURING A WET COATING APPLIED TO A SUBSTRATE

#9
20250271213
2025-08-28

CONTINUOUS, HIGH-TEMPERATURE SLAB PREHEATING PLANT FOR FLAT SEMI-FINISHED STEEL PRODUCTS

#10
20250198702
2025-06-19

SINTERING FURNACE AND METHOD OF TREATING A PROCESSING ELEMENT IN A SINTERING FURNACE

#11
20250187228
2025-06-12

RAPID CERAMIC PROCESSING TECHNIQUES AND EQUIPMENT

#12
20250179596
2025-06-05

BIOMASS DIRECT REDUCED IRON

#13
20250075977
2025-03-06

HEAT TREATMENT FURNACE

#14
20250050536
2025-02-13

RAPID CERAMIC PROCESSING TECHNIQUES AND EQUIPMENT

#15
20250020406
2025-01-16

EXHAUST STRUCTURE AND ELECTRODE HEAT TREATMENT DEVICE COMPRISING THE SAME

#16
20240426555
2024-12-26

SYSTEM AND METHOD FOR DETERMINING WHETHER TO CLEAN A REFLOW OVEN

#17
20240116826
2024-04-11

Rapid ceramic processing techniques and equipment

#18
20240059568
2024-02-22

PETROLEUM COKE TREATMENT APPARATUS, PROCESS, AND TREATMENT SYSTEM

#19
20240027135
2024-01-25

OVEN SLOT COVER

#20
20230415376
2023-12-28

Rapid ceramic processing techniques and equipment

#21
20230392868
2023-12-07

VERTICAL FURNACE FOR A CONTINUOUS HEAT TREATMENT OF A METAL STRIP

#22
20230366626
2023-11-16

FIRING FURNACE

#23
20230258406
2023-08-17

Method for ventilating an oven

#24
20230203634
2023-06-29

Hot stamping component and method of manufacturing the same

#25
20220152884
2022-05-19

Treatment machine for a flexible material web, in particular a plastics film, which can be passed through a treatment furnace

#26
20220090861
2022-03-24

Substrate treating apparatus and substrate treating system comprising the same

#27
20210372704
2021-12-02

Oven slot cover

#28
20210187583
2021-06-24

Hot stamping component and method of manufacturing the same

#29
20210142944
2021-05-13

Device and method for continuously performing grain boundary diffusion and heat treatment

#30
20210142943
2021-05-13

Continous heat treatment device and method for alloy workpiece or metal workpiece

#31
20210071955
2021-03-11

Arrangement having plural temperature-control stations for heat treating component parts, and their handling

#32
20210010754
2021-01-14

Continuous furnace for aluminum strips

#33
20200278153
2020-09-03

Heat-treating furnace

#34
20200269205
2020-08-27

Device and method for thermal or thermo-chemical treatment of material

#35
20200248965
2020-08-06

Profiling an oven

#36
20200122205
2020-04-23

System for cleaning metallic scraps from organic compounds

#37
20190293351
2019-09-26

Oxy-fuel combustion system and method for melting a pelleted charge material

#38
20190248045
2019-08-15

Installation for recycling composite materials with carbon fiber and/or glass fiber reinforcement and method for recycling in said installation

#39
20190218642
2019-07-18

Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof

#40
20190177829
2019-06-13

Continuous nitriding treatment furnace and continuous nitriding treatment method

#41
20190024977
2019-01-24

KILN AND METHOD FOR FIRING BASIC CERAMIC ARTICLES

#42
20180326614
2018-11-15

Ceramic composite

#43
20170370648
2017-12-28

Heat treatment system

#44
20160356548
2016-12-08

Multiple hearth furnace improvements

#45
20160223259
2016-08-04

Multi-chamber furnace for vacuum carburizing and quenching of gears, shafts, rings and similar workpieces

#46
20160195332
2016-07-07

Apparatus for the heat treatment of coated semi-finished steel products

#47
20160114391
2016-04-28

Finish heat treatment method and finish heat treatment apparatus for iron powder

#48
20160069615
2016-03-10

Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof

#49
20160024609
2016-01-28

ROLLER HEARTH FURNACE AND METHOD FOR THE HEAT TREATMENT OF METAL SHEETS

#50
20150377552
2015-12-31

Method and apparatus for processing process-environment-sensitive material

#51
20150307782
2015-10-29

Multi-level furnace and method for thermal treatment of a material flow

#52
20150243434
2015-08-27

Method and apparatus for sintering NdFeB rare earth permanent magnet

#53
20150225189
2015-08-13

Handling device

#54
20140175712
2014-06-26

Cellular ceramics apparatus and methods of production

#55
20140099590
2014-04-10

Multistage furnace system

#56
20140072710
2014-03-13

Method for infiltrating a porous material with a second material

#57
20130216969
2013-08-22

Multi-deck Chamber Furnace

#58
20120285295
2012-11-15

METHOD FOR PRODUCING METALLIC IRON NUGGETS

#59
20120217669
2012-08-30

Method for manufacturing ceramic honeycombs with reduced shrinkage

#60
20110308672
2011-12-22

Furnace configured for use in both the galvannealing and galvanizing of a metal strip

#61
20110254208
2011-10-20

Heat treatment furnace

#62
20110227260
2011-09-22

Cellular ceramics apparatus and methods of production

#63
20110008743
2011-01-13

Gate unit and high temperature oven having the same

#64
20100300584
2010-12-02

METHOD FOR PRODUCING A SHAPED COMPONENT HAVING AT LEAST TWO STRUCTURAL REGIONS OF DIFFERENT DUCTILITY

#65
20100164150
2010-07-01

Method and system for producing metallic iron nuggets

#66
20100148410
2010-06-17

Linear hearth furnace system and methods regarding same

#67
20100127421
2010-05-27

BI-DIRECTIONAL FLOW FOR PROCESSING SHAPED BODIES

#68
20100127418
2010-05-27

Methods For Continuous Firing Of Shaped Bodies And Roller Hearth Furnaces Therefor

#69
20100110175
2010-05-06

Video camera inspection system for roller hearth heat treating furnaces and the like

#70
20100107818
2010-05-06

System and method for producing metallic iron nodules

#71
20100031776
2010-02-11

System and method of producing metallic iron

#72
20090269713
2009-10-29

Heat treatment equipment

#73
20090175753
2009-07-09

Method and system for producing metallic iron nuggets

#74
20090075225
2009-03-19

HEATING APPARATUS AND HEATING METHOD

#75
20090031950
2009-02-05

Furnace configured for use in both the galvannealing and galvanizing of a metal strip

#76
20080302211
2008-12-11

Linear hearth furnace system and methods regarding same

#77
20080258360
2008-10-23

Continuous carburizing furnace

#78
20080014543
2008-01-17

Heating treatment method and apparatus

#79
20080008976
2008-01-10

Heat treatment apparatus

#80
20070128568
2007-06-07

Method and apparatus to provide continuous movement through a furnace

#81
20060150775
2006-07-13

Method and system for producing metallic iron nuggets

#82
20060150774
2006-07-13

Method and system for producing metallic iron nuggets

#83
20060150773
2006-07-13

Method and system for producing metallic iron nuggets

#84
20060150772
2006-07-13

Method and system for producing metallic iron nuggets

#85
20060108347
2006-05-25

Firing furnace and method for manufacturing porous ceramic fired object with firing furnace

#86
20060057035
2006-03-16

Fluidized bed gas distributor system for elevated temperature operation

#87
20050229748
2005-10-20

Linear hearth furnace system and methods regarding same

#88
20050161869
2005-07-28

Installation for the heat-treatment of parts

#89
20050158685
2005-07-21

Heat treatment furnace

#90
20050056686
2005-03-17

Hydrogen gas brazing method for manufacturing a diamond tool and arch-shaped hydrogen gas brazing apparatus for performing the same

#91
19088980
2025-09-23

Graphitization apparatus for manufacturing artificial graphite using laser

#92
15078880
2019-01-22

Multi-zone heating oven with a plurality of heating zones having individually controlled temperature humidity