B21D51/02 - CPC Classification Index

ClassID:

38790 ⎘

B21D51/02 - CPC Classification

Classification description:

Making hollow objects characterised by the structure of the objects

Sub-classes:

B21D51/04 » built-up objects, e.g. objects with rigidly-attached bottom or cover 8
B21D51/06 » folded objects 19
B21D51/08 » ball-shaped objects 7
B21D51/10 » conically or cylindrically shaped objects 76
B21D51/12 » objects with corrugated walls 12
B21D51/14 » Flattening hollow objects for transport or storage; Re-forming same 2

Recent Application in this class:

20250289007

2025-09-18

METHOD OF INDUSTRIAL CENTRIFUGE BASKET PERFORATION

20250102083

2025-03-27

A HIGH-STRENGTH TUBE RESISTANT TO ALUMINUM SULFATE CORROSION AND MANUFACTURING METHOD THEREFOR

20230182191

2023-06-15

Hollow shell part manufacturing method

20210276025

2021-09-09

METHOD OF INDUSTRIAL CENTRIFUGE BASKET PERFORATION

20200376531

2020-12-03

Method for forming vehicle body member

20200248803

2020-08-06

Method of manufacturing driving drum

20190232350

2019-08-01

Processing method for metal plate

20190143392

2019-05-16

Cast components and manufacture and use methods

20190077439

2019-03-14

Steering column for a motor vehicle and method for producing a steering column

#10

20180318907

2018-11-08

ALUMINUM SHEET WITH ENHANCED FORMABILITY AND AN ALUMINUM CONTAINER MADE FROM ALUMINUM SHEET

#11

20180009022

2018-01-11

Aluminum sheet with enhanced formability and an aluminum container made from aluminum sheet

#12

20170348756

2017-12-07

Manufacturing method and apparatus for USB interface metal casing

#13

20170225216

2017-08-10

METHOD AND DEVICE FOR PRODUCING A HALF-SHELL PART

#14

20160008867

2016-01-14

Cast components and manufacture and use methods

#15

20150314361

2015-11-05

ALUMINUM SHEET WITH ENHANCED FORMABILITY AND AN ALUMINUM CONTAINER MADE FROM ALUMINUM SHEET

#16

20150239029

2015-08-27

Press-work method and bottomed container

#17

20140053406

2014-02-27

Fabrication member

#18

20140047893

2014-02-20

Fabrication member

#19

20140041232

2014-02-13

Fabrication member

#20

20140041229

2014-02-13

Fabrication member

#21

20120282482

2012-11-08

Method and Device for Producing a Half-Shell Part

#22

20090205393

2009-08-20

Method for providing an armature housing