Patents-Review.com
ClassID:

119061 ⎘

C21D9/0012 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor; Details, accessories not peculiar to any of the following furnaces Rolls; Roll arrangements

Recent Application in this class:
#1
20250257417
2025-08-14

HEARTH ROLL FOR CONTINUOUS ANNEALING FURNACE

 #2
20250129445
2025-04-24

QUENCHING APPARATUS, CONTINUOUS ANNEALING FACILITY, QUENCHING METHOD, METHOD FOR MANUFACTURING STEEL SHEET, AND METHOD FOR MANUFACTURING COATED STEEL SHEET

 #3
20240068062
2024-02-29

DEVICE FOR HEATING STEEL PRODUCTS

 #4
20240003628
2024-01-04

CENTERING DEVICE FOR METAL BLANKS

 #5
20230407426
2023-12-21

HEAT TREATMENT APPARATUS

 #6
20230366054
2023-11-16

HEAT TREATMENT METHOD FOR AMORPHOUS ALLOY RIBBON AND HEAT TREATMENT APPARATUS FOR AMORPHOUS ALLOY RIBBON

 #7
20230257842
2023-08-17

CORRECTION APPARATUS FOR CORRECTING THE PLANARITY OF A METAL STRIP AND RELATED CORRECTION METHOD

 #8
20220380862
2022-12-01

Hearth roll for continuous annealing furnace

 #9
20220307102
2022-09-29

HIGH PRODUCTIVITY PLANT FOR THE QUENCHING OF STEEL BARS, QUENCHING MACHINE AND CORRESPONDING METHOD FOR QUENCHING STEEL BARS

 #10
20220184923
2022-06-16

Roll-bonded laminate and method for producing the same

 #11
20220032351
2022-02-03

METHOD FOR THE MANUFACTURE OF MULTIMATERIAL ROLL AND THE MULTIMATERIAL ROLL

 #12
20210310091
2021-10-07

Electric resistance welded steel pipe or tube

 #13
20210301363
2021-09-30

Non-oriented electrical steel sheet

 #14
20210292863
2021-09-23

Non-oriented electrical steel sheet and method of manufacturing stacked core using same

 #15
20210107254
2021-04-15

Roll-bonded laminate and method for producing the same

 #16
20200149128
2020-05-14

METHOD FOR MANUFACTURING STEEL PLATES

 #17
20190360749
2019-11-28

ROLL-TRANSPORT DEVICE

 #18
20190285345
2019-09-19

Roller transport assembly for transporting rollers to and from a roller hearth furnace

 #19
20180124872
2018-05-03

CURRENT APPLYING APPARATUS, CURRENT APPLYING METHOD AND DIRECT RESISTANCE HEATING APPARATUS

 #20
20170164425
2017-06-08

Heating method, heating apparatus and method of manufacturing press-molded article

 #21
20170127482
2017-05-04

Transverse flux induction heating device

 #22
20160363372
2016-12-15

METHOD FOR CONTROLLING DEW POINT OF REDUCTION FURNACE, AND REDUCTION FURNACE

 #23
20160024609
2016-01-28

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

 #24
20150208466
2015-07-23

Direct resistance heating method

 #25
20150173126
2015-06-18

Current applying apparatus, current applying method and direct resistance heating apparatus

 #26
20140227651
2014-08-14

Roller hearth furnace and method for heating workpieces

 #27
20120312805
2012-12-13

Transverse flux induction heating device

 #28
20120282480
2012-11-08

HIGH-TEMPERATURE MATERIAL TRANSFERRING MEMBER

 #29
20070232471
2007-10-04

Adiabatic Roll

 #30
20070017774
2007-01-25

Roller-conveyor roller for the transport of furnace-heated metallic strip material

 #31
20060275728
2006-12-07

Roller table roll, particularly for conveying furnace-heat

 #32
20060011446
2006-01-19

Roller conveyor roller, especially for the transport of furnace-heated metallic strip material