ClassID:

161335

F27D1/1858 - CPC Classification

Classification description:

Casings; Linings; Walls; Roofs; Door frames; Doors, lids, removable covers Doors

Sub-classes:
Recent Application in this class:
#1
20250230980
2025-07-17

HEAT TREATMENT APPARATUS

#2
20240426554
2024-12-26

HEAT TREATMENT SYSTEM AND ATMOSPHERE SUBSTITUTION STRUCTURE OF HEAT TREATMENT FURNACE

#3
20230243589
2023-08-03

CLOSURE FOR CONCRETE PRODUCTS CURING KILN

#4
20230213283
2023-07-06

SUBSTRATE PROCESSING APPARATUS

#5
20230133535
2023-05-04

SLAG DOOR ARRANGEMENT AND CLEANING METHOD

#6
20220412652
2022-12-29

Batch furnace assembly and method of operating a batch furnace assembly

#7
20220268522
2022-08-25

Sintering apparatus

#8
20220155013
2022-05-19

DEVICE AND METHOD FOR THERMAL OR THERMO-CHEMICAL TREATMENT OF MATERIAL

#9
20220075281
2022-03-10

SHUTTER APPARATUS AND SUBSTRATE TREATING APPARATUS INCLUDING THE SAME

#10
20220034588
2022-02-03

Melt furnace header gate system

#11
20210324518
2021-10-21

INJECTOR CONFIGURED FOR ARRANGEMENT WITHIN A REACTOR OF A VERTICAL FURNACE AND VERTICAL FURNACE

#12
20210222331
2021-07-22

Furnace and method for treating material

#13
20200064071
2020-02-27

Electric furnace

#14
20190024979
2019-01-24

Door structure of heat treatment furnace

#15
20180211854
2018-07-26

System and method for heat treatment of substrates

#16
20180202717
2018-07-19

Sample heating apparatus

#17
20180156705
2018-06-07

Access port for a thermogravimetric analyzer furnace

#18
20170082366
2017-03-23

Modular oven

#19
20160033202
2016-02-04

Door Assembly for Use with a Furnace

#20
20150253082
2015-09-10

Vertical heat treatment apparatus

#21
20150209861
2015-07-30

Method of preheating a set of shell molds for lost-wax casting

#22
20150192363
2015-07-09

Mobile removable hearth for furnace and transporter

#23
20150168070
2015-06-18

Automatic charge hearth access door assembly

#24
20150055673
2015-02-26

Apparatus for closing the slag doorway and for cleaning the slag doorway and channel of a metallurgical furnace and relative method

#25
20140290026
2014-10-02

Method of manufacturing a slag discharge door

#26
20130285392
2013-10-31

Furnace door latch assembly

#27
20130250996
2013-09-26

Slag discharge door device for an electric furnace

#28
20120276495
2012-11-01

METHOD AND APPARATUS FOR PROCESSING OF MATERIALS

#29
20120205841
2012-08-16

Furnace slag door and corresponding furnace

#30
20120146268
2012-06-14

Method and apparatus for melting metal

#31
20120139170
2012-06-07

Slag discharge door apparatus for electric furnace

#32
20110038391
2011-02-17

Arc metallurgic furnace slagging door

#33
20110023860
2011-02-03

Mechanism for the autonomous latching of coke oven chamber doors for horizontal coke oven chambers

#34
20100272422
2010-10-28

Retort furnace for heat and/or thermochemical treatment

#35
20100209865
2010-08-19

Kiln lid lift apparatus

#36
20100021856
2010-01-28

Safety door for rotary kiln

#37
20090309276
2009-12-17

Method and apparatus for melting metal

#38
20090215000
2009-08-27

Method and apparatus for processing of materials

#39
20080305448
2008-12-11

Safety door for rotary kiln

#40
20080223264
2008-09-18

Door sealing device for industrial furnace

#41
20080135555
2008-06-12

Kiln lid lift apparatus

#42
20080134947
2008-06-12

Feeding door of heat treatment furnace