ClassID:

119115

C21D9/5737 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length; Furnaces for treating strips or wire; Continuous furnaces for strip or wire with cooling; Details Rolls; Drums; Roll arrangements

Recent Application in this class:
#1
20260092339
2026-04-02

METAL-STRIP WARPED-SHAPE PREDICTION METHOD, METAL-STRIP WARPED-SHAPE CONTROL METHOD, METAL-STRIP MANUFACTURING METHOD, WARPED-SHAPE PREDICTION MODEL GENERATION METHOD, AND METAL-STRIP WARPED-SHAPE CONTROL DEVICE

#2
20260091420
2026-04-02

METAL-STRIP WARPED-SHAPE CONTROL METHOD, METAL-STRIP MANUFACTURING METHOD, AND METAL-STRIP WARPED-SHAPE CONTROL DEVICE

#3
20210332455
2021-10-28

Magnetic cooling roll

#4
20210164078
2021-06-03

SPRING STEEL HAVING SUPERIOR FATIGUE LIFE, AND MANUFACTURING METHOD FOR SAME

#5
20190010564
2019-01-10

Rapid-cooling quenching apparatus and rapid-cooling quenching method

#6
20180312938
2018-11-01

Method and apparatus for continuous thermal treatment of a steel strip

#7
20170327926
2017-11-16

Method for manufacturing metal sheet and rapid quenching unit

#8
20170275731
2017-09-28

Hearth roll and continuous annealing facility

#9
20170178805
2017-06-22

Rapidly quenched Fe-based soft-magnetic alloy ribbon and its production method and core

#10
20160304984
2016-10-20

Method for continuous thermal treatment of a steel strip

#11
20110094636
2011-04-28

Production equipment and production method for precipitation hardened alloy strip

#12
20060254682
2006-11-16

Method and plant for cooling a moving metal strip

#13
20060163780
2006-07-27

Method and apparatus for cooling strip and wire material

#14
20050126742
2005-06-16

Cooling drum for thin slab continuous casting, processing method and apparatus thereof, and thin slab and continuous casting method thereof