ClassID:

119025

C21D8/0442 - CPC Classification

Classification description:

Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps Flattening; Dressing; Flexing

Recent Application in this class:
#1
20220305538
2022-09-29

Sheet steel having a deterministic surface structure

#2
20190218652
2019-07-18

Metal coated steel sheet, manufacturing method of hot-dip galvanized steel sheet, and manufacturing method of alloyed galvannealed steel sheet

#3
20190176436
2019-06-13

Chassis component having high durability

#4
20180340266
2018-11-29

Method for Manufacturing a Product from a Flexibly Rolled Strip Material

#5
20170335481
2017-11-23

Method for Manufacturing a Product from a Flexibly Rolled Strip Material

#6
20170306430
2017-10-26

Cold-rolled and recrystallization annealed flat steel product, and method for the production thereof

#7
20160319391
2016-11-03

Method for producing high-strength duplex stainless steel

#8
20150225830
2015-08-13

Cold-rolled steel sheet and method for manufacturing same, and hot-stamp formed body

#9
20150000798
2015-01-01

Method of manufacturing high-strength steel sheet for a can

#10
20140007990
2014-01-09

Steel sheet for aerosol can bottom having high pressure resistance and excellent workability and method for producing same

#11
20120018055
2012-01-26

Steel sheet for cans with excellent surface properties after drawing and ironing and method for producing the same

#12
20110108168
2011-05-12

HIGH-STRENGTH STEEL SHEET FOR CAN AND METHOD FOR MANUFACTURING SAME

#13
20110076177
2011-03-31

HIGH-STRENGTH STEEL SHEET FOR CANS AND METHOD FOR MANUFACTURING THE SAME

#14
20100108201
2010-05-06

High-strength hot rolled steel sheet being free from peeling and excellent in surface properties and burring properties, and method for manufacturing the same

#15
20100018277
2010-01-28

Apparatus for hot-forming, press-quenching, and cutting semifinished hardenable-steel workpiece

#16
20090218015
2009-09-03

Damping Alloy Steel Sheet and Method for Producing Same