ClassID:

38794

B21D51/10 - CPC Classification

Classification description:

Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects

Recent Application in this class:
#1
20260061473
2026-03-05

NEAR-ISOTHERMAL HOT SPIN FORMING METHOD AND HEAT COMPLEMENTING METHOD FOR METAL WORKPIECE

#2
20250262656
2025-08-21

A TOOL HEAD FOR MANUFACTURING A SEPARATION DISC AND A METHOD FOR MANUFACTURING A SEPARATION DISC USING A TOOL HEAD

#3
20250108425
2025-04-03

SYSTEMS AND METHODS FOR IMPROVING BACKWARD FLOW FORMING OF SHAFTS

#4
20240216975
2024-07-04

DEEP-CUP-SHAPED THIN-WALL PART CURRENT AUXILIARY COMPOSITE SPINNING FORMING DEVICE AND METHOD

#5
20230302520
2023-09-28

Manufacture of annular sectors for producing an air intake lip

#6
20230173702
2023-06-08

APPARATUS AND METHOD FOR PRODUCTION OF DUCT MEMBERS

#7
20230166312
2023-06-01

Hot-spinning formation method for large-diameter titanium alloy cylindrical parts

#8
20230016790
2023-01-19

Can end with a coined rivet, tooling assembly therefor and a method of forming

#9
20220362829
2022-11-17

Tooling assembly and method for explosively forming features in a thin-walled cylinder

#10
20220228678
2022-07-21

SEGMENTAL TUBES

#11
20220178401
2022-06-09

Hollow shaft member and rolling device

#12
20220168798
2022-06-02

Method for producing a hollow valve for internal combustion engines

#13
20220143664
2022-05-12

Hollow shaft

#14
20220126349
2022-04-28

Manufacturing method of member, manufacturing method of member for vehicle, and die and punch

#15
20220081836
2022-03-17

Method for manufacturing a steel Yankee drier and a steel Yankee drier

#16
20220048089
2022-02-17

Systems and methods for improving backward flow forming of shafts

#17
20210316355
2021-10-14

Method and device for producing components having an adjusted bottom reagion

#18
20210245221
2021-08-12

Method for manufacturing pipe

#19
20210140567
2021-05-13

Segmental tubes

#20
20200246853
2020-08-06

Method of manufacturing pipe

#21
20200158372
2020-05-21

Apparatus and method for production of duct members

#22
20200108433
2020-04-09

TAPERED METAL CUP AND METHOD OF FORMING THE SAME

#23
20200078843
2020-03-12

Systems and methods for manufacturing a ring from a metal sheet

#24
20200056331
2020-02-20

Heat transfer tube and method for manufacturing a heat transfer tube

#25
20200024802
2020-01-23

Heat transfer tube and method for manufacturing a heat transfer tube

#26
20190388953
2019-12-26

Method for production of a supporting member and a ladder frame or box frame

#27
20190366228
2019-12-05

Heat transfer tube and method for manufacturing a heat transfer tube

#28
20190291167
2019-09-26

Systems and methods for improving backward flow forming of shafts

#29
20190232352
2019-08-01

Formed material manufacturing method and surface treated metal plate used in same

#30
20190217365
2019-07-18

Production of reinforced double-layer parts

#31
20190193136
2019-06-27

Method and Device for Producing Formed, in Particular Flanged, Sheet Metal Components

#32
20190170276
2019-06-06

Segmental tubes

#33
20190160511
2019-05-30

Method of manufacturing cup structure

#34
20190099796
2019-04-04

MANUFACTURING METHOD OF BASE MEMBER OF ROTATABLE FIXING MEMBER AND MANUFACTURING METHOD OF THE ROTATABLE FIXING MEMBER

#35
20190060977
2019-02-28

CAN END WITH A COINED RIVET, TOOLING ASSEMBLY THEREFOR AND A METHOD OF FORMING

#36
20180221936
2018-08-09

Tapered metal cup and method of forming the same

#37
20180169728
2018-06-21

Method of manufacturing a cylindrical housing of an exhaust gas treatment unit and method of manufacturing an exhaust gas treatment unit for vehicles

#38
20180162205
2018-06-14

Bracket-integrated double-layer door impact beam, apparatus and method for manufacturing the same

#39
20180133772
2018-05-17

Plate roll bending machine bending control system and method

#40
20180056378
2018-03-01

Localized torsional severe plastic deformation method for conical tube metals

#41
20170333970
2017-11-23

Method and apparatus for producing a rolled curl on an open end of metal container

#42
20170326617
2017-11-16

Method of forming a cup-shaped body for a beverage capsule

#43
20170320119
2017-11-09

Apparatus for manufacturing elbow-shaped duct

#44
20170243685
2017-08-24

Solenoid housing and method of providing a solenoid housing

#45
20170232502
2017-08-17

Apparatus and method for forming an antipollution device housing

#46
20170144211
2017-05-25

Apparatus and method for production of duct members

#47
20160317350
2016-11-03

INJECTION NEEDLE

#48
20160312610
2016-10-27

Friction bolt

#49
20160311006
2016-10-27

Formed material manufacturing method and surface treated metal plate used in same

#50
20160258159
2016-09-08

Column/beam maufacturing apparatus and methods

#51
20160193784
2016-07-07

3D PRINTER AND SCANNER FRAME

#52
20160123328
2016-05-05

Pump arrangement and method for producing a containment shell for the pump arrangement

#53
20160008868
2016-01-14

Manufacturing composite tubular structures using adjustable cylindrical mechanical pressure device and process

#54
20150290698
2015-10-15

Apparatus and method for forming an antipollution device housing

#55
20150220046
2015-08-06

Roller, image forming apparatus and manufacturing method of cylindrical shaft

#56
20150076142
2015-03-19

PORTABLE TANK, AND METHOD OF ASSEMBLING A TANK AT A WELL SITE

#57
20150047407
2015-02-19

Can manufacture

#58
20140345247
2014-11-27

Tank and method for manufacturing same

#59
20140334879
2014-11-13

METHOD OF GRIPPING A PIPELINE

#60
20140331733
2014-11-13

Torsional extreme-plastic processing method of conic metal pipe

#61
20140328649
2014-11-06

Packaging can and method and apparatus for its manufacture

#62
20140259601
2014-09-18

Apparatus and method for production of adjustable duct member

#63
20130340879
2013-12-26

Method of manufacturing porous metal foam cone assembly having high surface area

#64
20130312865
2013-11-28

Double-wall pipe and production process

#65
20130122133
2013-05-16

Continuous Bi-Metallic Twin Bore Barrel for Screw Extruder and Method of Making Same

#66
20130037554
2013-02-14

Can manufacture

#67
20120299673
2012-11-29

Solenoid housing and method of providing a solenoid housing

#68
20120137519
2012-06-07

Apparatus and method for forming an antipollution device housing

#69
20110247196
2011-10-13

Method of manufacturing a rotor

#70
20110174409
2011-07-21

Closed structure parts, method and press forming apparatus for manufacturing the same

#71
20100229618
2010-09-16

Method and apparatus for forming a turbofan mixer

#72
20100224348
2010-09-09

Method for the manufacture of an ejector nozzle tube

#73
20100192351
2010-08-05

METHOD FOR PRODUCING AN ANNULAR WALL STRUCTURE

#74
20090255310
2009-10-15

Multi-directionally swept beam, roll former, and method

#75
20090086568
2009-04-02

CONTINUOUS BI-METALLIC TWIN BORE BARREL FOR SCREW EXTRUDER AND METHOD OF MAKING SAME

#76
20090022861
2009-01-22

Packaging can and method and apparatus for its manufacture

#77
20070180677
2007-08-09

Internal high-pressure shaping method for shaping conical tubes made of metal

#78
20050204541
2005-09-22

Method for manufacturing clutch housing

#79
13599223
2015-06-09

Process for making an interlocking flanged bushing and products made by this process