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ClassID:

161099 ⎘

F27B9/20 - 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 characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace

Sub-classes:
Recent Application in this class:
#1
20230304740
2023-09-28

APPARATUS FOR HEATING STEEL PRODUCTS

 #2
20230003378
2023-01-05

METHOD AND DEVICE FOR HEATING A FURNACE

 #3
20220404098
2022-12-22

Device and method for controlling a reheating furnace

 #4
20220025559
2022-01-27

Systems and methods for thermally bonding fiber

 #5
20200354859
2020-11-12

CONTROLLED ATMOSPHERE RECIRCULATION OVEN

 #6
20200070225
2020-03-05

Furnace for heating metal strips, and device and method for producing metal strips by continuous casting and rolling

 #7
20190024979
2019-01-24

Door structure of heat treatment furnace

 #8
20180347813
2018-12-06

Method and device for heating a furnace

 #9
20180202716
2018-07-19

Reverse catenary muffle

 #10
20180017326
2018-01-18

Reduced iron production method and device

 #11
20170082364
2017-03-23

INDUSTRIAL FURNACE FOR HEATING PRODUCTS SUCH AS STEEL PRODUCTS

 #12
20170044643
2017-02-16

METHOD AND APPARATUS FOR PRODUCING A STEEL STRIP

 #13
20160326609
2016-11-10

Annealing furnace and method for annealing a steel strand

 #14
20160290719
2016-10-06

Furnace with a convection and radiation heating

 #15
20160184868
2016-06-30

Ceramic wear tile and method of using same

 #16
20160184867
2016-06-30

Ceramic wear tile and method of using same

 #17
20160138806
2016-05-19

Industrial furnace and process for controlling the combustion inside

 #18
20160097593
2016-04-07

Conveyor furnace

 #19
20160076116
2016-03-17

Apparatus for the press hardening of components

 #20
20160052048
2016-02-25

Furnace assembly

 #21
20160018161
2016-01-21

Continuous heating furnace

 #22
20150377553
2015-12-31

Continuous heating furnace

 #23
20150275325
2015-10-01

Continuous furnace system

 #24
20150219396
2015-08-06

Flue gas recirculation method and system for combustion systems

 #25
20150176099
2015-06-25

Furnace and system for heat treating material

 #26
20150044621
2015-02-12

Substrate treatment process

 #27
20140170582
2014-06-19

Heating furnace and continuous heating furnace

 #28
20140150606
2014-06-05

Method of manufacturing direct reduction iron and reduction firing apparatus

 #29
20140129045
2014-05-08

Control device, heating device control system, control method, program, and recording medium

 #30
20140127124
2014-05-08

Graphitization furnace and method for producing graphite

 #31
20140120026
2014-05-01

Device for manufacturing recycled carbon fibers, and method for manufacturing recycled carbon fibers

 #32
20140011150
2014-01-09

Tunnel kiln for firing ceramic porous bodies

 #33
20130189634
2013-07-25

PLANT AND METHOD FOR PREHEATING BLANKS IN RESPONSE TO HOT FORMING

 #34
20130157210
2013-06-20

Device and method for transversely moving tubular material inside a furnace

 #35
20130142212
2013-06-06

Graphitization furnace and method for producing graphite

 #36
20130008567
2013-01-10

Heat treatment method

 #37
20120285295
2012-11-15

METHOD FOR PRODUCING METALLIC IRON NUGGETS

 #38
20120269226
2012-10-25

Diffusion furnaces employing ultra low mass transport systems and methods of wafer rapid diffusion processing

 #39
20120211191
2012-08-23

High pressure heat treatment system

 #40
20120055592
2012-03-08

Method of metal processing using cryogenic cooling

 #41
20120055286
2012-03-08

Method of manufacturing direct reduction iron and reduction firing apparatus

 #42
20120031235
2012-02-09

Metal recovery system

 #43
20120031232
2012-02-09

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

 #44
20120024111
2012-02-02

Metal separation using a tunnel kiln furnace

 #45
20120018114
2012-01-26

Casting and continuous rolling method and plant to make long metal rolled products

 #46
20110306160
2011-12-15

Diffusion furnaces employing ultra low mass transport systems and methods of wafer rapid diffusion processing

 #47
20110073220
2011-03-31

CONTINUOUS PRESS HARDENING PROCESS AND APPARATUS THEREFOR

 #48
20100267188
2010-10-21

Diffusion furnaces employing ultra low mass transport systems and methods of wafer rapid diffusion processing

 #49
20100226629
2010-09-09

ROLL-TO-ROLL PROCESSING AND TOOLS FOR THIN FILM SOLAR CELL MANUFACTURING

 #50
20100164150
2010-07-01

Method and system for producing metallic iron nuggets

 #51
20100156011
2010-06-24

Continuous heat treatment furnace and utilizing the same, metal tube and heat treatment method

 #52
20100107818
2010-05-06

System and method for producing metallic iron nodules

 #53
20100043699
2010-02-25

Method for siliconizing carbon-containing materials

 #54
20100040991
2010-02-18

IN-LINE ANNEALING APPARATUS AND METHOD OF ANNEALING SUBSTRATE USING THE SAME

 #55
20090229712
2009-09-17

Method for controlling a metal strip in a heat treatment furnace

 #56
20090206527
2009-08-20

HIGH PRESSURE HEAT TREATMENT SYSTEM

 #57
20090183675
2009-07-23

REACTOR TO FORM SOLAR CELL ABSORBERS

 #58
20090175753
2009-07-09

Method and system for producing metallic iron nuggets

 #59
20090127753
2009-05-21

Method and apparatus for heating steel components in a continuous furnace

 #60
20090035712
2009-02-05

Reheat Furnace System with Reduced Nitrogen Oxides Emissions

 #61
20080237946
2008-10-02

Continuous carburizing furnace

 #62
20080213155
2008-09-04

Method for siliconizing carbon-containing materials

 #63
20080199822
2008-08-21

Device and method for continuously and catalytically removing binder, with improved flow conditions

 #64
20080182118
2008-07-31

CONTINUOUS HEAT TREATMENT FURNACE AND UTILIZING THE SAME, METAL TUBE AND HEAT TREATMENT METHOD

 #65
20080175993
2008-07-24

REEL-TO-REEL REACTION OF A PRECURSOR FILM TO FORM SOLAR CELL ABSORBER

 #66
20080116621
2008-05-22

Method and apparatus for thermally debinding a ceramic cellular green body

 #67
20080041836
2008-02-21

High temperature heating element for preventing contamination of a work piece

 #68
20080041505
2008-02-21

Continuous process for production of steel part with regions of different ductility

 #69
20070161315
2007-07-12

Method of sealing glass panel assembly and sealing process furnace

 #70
20070128568
2007-06-07

Method and apparatus to provide continuous movement through a furnace

 #71
20070042313
2007-02-22

Reflow Furnace

 #72
20060150775
2006-07-13

Method and system for producing metallic iron nuggets

 #73
20060150774
2006-07-13

Method and system for producing metallic iron nuggets

 #74
20060150773
2006-07-13

Method and system for producing metallic iron nuggets

 #75
20060150772
2006-07-13

Method and system for producing metallic iron nuggets

 #76
20060108347
2006-05-25

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

 #77
20060103059
2006-05-18

High pressure heat treatment system

 #78
20060096480
2006-05-11

Device for heat-treating a coating of flat-bed offset printing plates

 #79
20060082034
2006-04-20

Method and apparatus for automatically controlling temperature in a furnace system

 #80
20060029897
2006-02-09

Continuous firing furnace, manufacturing method of porous ceramic member using the same, porous ceramic member, and ceramic honeycomb filter

 #81
20050166844
2005-08-04

High reflectivity atmospheric pressure furnace for preventing contamination of a work piece

 #82
20050158685
2005-07-21

Heat treatment furnace

 #83
20050056686
2005-03-17

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

 #84
20050056310
2005-03-17

Thermoelectric energy conversion unit and tunnel-type furnace therewith

 #85
20050056221
2005-03-17

Minimum volume oven for producing uniform pyrolytic oxide coatings on capacitor anodes