ClassID:

38797

B21D51/16 - CPC Classification

Classification description:

Making hollow objects characterised by the use of the objects

Sub-classes:
Recent Application in this class:
#1
20250325389
2025-10-23

STENTS HAVING A HYBRID PATTERN AND METHODS OF MANUFACTURE

#2
20250108425
2025-04-03

SYSTEMS AND METHODS FOR IMPROVING BACKWARD FLOW FORMING OF SHAFTS

#3
20250046917
2025-02-06

Pouch-Shaped Case Forming Apparatus and Method of Manufacturing Pouch-Shaped Case Using the Same

#4
20240322295
2024-09-26

BATTERY CASE AND MANUFACTURING METHOD THEREOF

#5
20240181515
2024-06-06

DEVICE AND METHOD FOR CONTINUOUSLY PRODUCING AN AT LEAST PARTLY HOLLOW SHAFT HAVING A VARYING INNER AND/OR OUTER DIAMETER

#6
20240051006
2024-02-15

STAMPING METHOD AND DEEP-DRAWING DIE FOR ALUMINUM ALLOY LINER OF LARGE-VOLUME HYDROGEN STORAGE CYLINDER

#7
20240042509
2024-02-08

RECEIVER EXTENSION AND A METHOD OF MANUFACTURING IT

#8
20240033807
2024-02-01

Apparatus for mechanical machining by plastic deformation or for assembling a pair of components, and relative machine tool comprising such an apparatus

#9
20240016630
2024-01-18

Stents having a hybrid pattern and methods of manufacture

#10
20230344924
2023-10-26

Cell phone frame and method for manufacturing the same

#11
20230339211
2023-10-26

Composite plate, composite plate roughening device, and method for manufacturing composite plate

#12
20230339210
2023-10-26

Method for making a metal material composite

#13
20230226586
2023-07-20

METHOD FOR MANUFACTURING CONTAINER AND APPARATUS FOR MANUFACTURING CONTAINER

#14
20230124823
2023-04-20

MANUFACTURING METHOD OF BATTERY CASE

#15
20220399600
2022-12-15

Pouch-shaped case forming apparatus and method of manufacturing pouch-shaped case using the same

#16
20220105456
2022-04-07

Devices, systems and methods for a filter

#17
20220048089
2022-02-17

Systems and methods for improving backward flow forming of shafts

#18
20210298130
2021-09-23

METHOD OF MANUFACTURING AN ELECTRIC HEATER AND ELECTRIC HEATER

#19
20210245537
2021-08-12

Method of manufacturing outer case for hot water unit

#20
20210205874
2021-07-08

Device and method for producing a thin-walled component

#21
20210148492
2021-05-20

Stepped pipe member and stepped pipe member production method

#22
20210048042
2021-02-18

Shell member for accumulator, method of producing the same, accumulator, and method of producing the same

#23
20200338623
2020-10-29

Metal middle frame machining process

#24
20200269306
2020-08-27

Machining process for production of titanium motor housing

#25
20200246853
2020-08-06

Method of manufacturing pipe

#26
20200069447
2020-03-05

Stents having a hybrid pattern and methods of manufacture

#27
20200061692
2020-02-27

NOTCHING DEVICE INCLUDING A TWO-TIER DIE SET

#28
20190366415
2019-12-05

MOLD FOR FORMING AN INHALATION DEVICE

#29
20190291167
2019-09-26

Systems and methods for improving backward flow forming of shafts

#30
20190143393
2019-05-16

Method for producing a container

#31
20180375973
2018-12-27

Mobile terminal having case, method for manufacturing same

#32
20180244125
2018-08-30

TUBULAR SPRING FOR MOTOR VEHICLES, AND A METHOD FOR PRODUCING A TUBULAR SPRING

#33
20180214925
2018-08-02

Method and system for producing ring-shaped member for vehicle, and synchronizer ring

#34
20180155932
2018-06-07

Corner piece for rain gutters and method of manufacture

#35
20180154425
2018-06-07

Bowl forming device and method

#36
20180117659
2018-05-03

Tubular steel product

#37
20180062475
2018-03-01

Yoke housing, motor, and method for manufacturing yoke housing

#38
20180058719
2018-03-01

Burner case production method and burner case

#39
20170326617
2017-11-16

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

#40
20170299120
2017-10-19

Container for receiving and storing cryogenic fluids particularly cryogenic liquids and viscous materials, and method for the production thereof, and use thereof

#41
20170274434
2017-09-28

Method of producing shaped article, tooling, and tubular shaped article

#42
20170259767
2017-09-14

Multi-tubular reinforcement beam with center leg

#43
20170243685
2017-08-24

Solenoid housing and method of providing a solenoid housing

#44
20170159538
2017-06-08

Method for manufacturing a double pipe

#45
20170151074
2017-06-01

Stents having a hybrid pattern and methods of manufacture

#46
20170135720
2017-05-18

Medical needle manufacturing method, medical needle manufacturing apparatus, and medical needle

#47
20170115102
2017-04-27

Perforating tool

#48
20160339537
2016-11-24

Forming a Casing of an Electronics Device

#49
20160319967
2016-11-03

Method for manufacturing stop collar for pipe fitting device and stop collar

#50
20160236283
2016-08-18

Drill chuck

#51
20160228935
2016-08-11

System and method for forming a metal beverage container using blow molding

#52
20160167098
2016-06-16

MANUFACTURING METHOD OF SLIDING UNIT OF SLIDING RAIL AND STRUCTURE THEREOF

#53
20160074926
2016-03-17

Fuselage manufacturing system

#54
20160001349
2016-01-07

Ironing mold and formed material manufacturing method

#55
20150300024
2015-10-22

Inside corner piece for rain gutters and method of manufacture

#56
20150255891
2015-09-10

Moisture resistant electrical fittings

#57
20150190857
2015-07-09

Method for producing a solid actuator

#58
20150114064
2015-04-30

Water pipe for which hydroforming is employed, and a production method therefor

#59
20150104242
2015-04-16

Non detachable body connection system with connection ring for emergency brake cylinders

#60
20150096344
2015-04-09

Method of forming integrated drive shaft and yoke

#61
20150075664
2015-03-19

Corrugated metal plate assembly system and method

#62
20150074982
2015-03-19

System and method for forming a metal beverage container using blow molding

#63
20150042192
2015-02-12

Yoke housing, motor, and method for manufacturing yoke housing with improved deformation resistance

#64
20150040399
2015-02-12

METHOD OF FABRICATING A COMPONENT OF A SOLAR ENERGY SYSTEM

#65
20150015007
2015-01-15

Tubular beam with center leg and method for forming the same

#66
20150004551
2015-01-01

CANDLE HOLDER

#67
20140353028
2014-12-04

ALTERNATIVE MANUFACTURING PROCESSES FOR ALUMINUM ENCLOSURES

#68
20140346309
2014-11-27

Anti-spin mounting pole and method of forming

#69
20140339237
2014-11-20

One-piece carbon steel cookware

#70
20140334879
2014-11-13

METHOD OF GRIPPING A PIPELINE

#71
20140326479
2014-11-06

Electric-wire protection pipe and harness

#72
20140247609
2014-09-04

Method for manufacturing a lamp-housing-type heat-sink, lamp-housing-type heat-sink, and LED lighting device

#73
20140215790
2014-08-07

Devices and methods for crimping and loading a medical device into a delivery system

#74
20140178616
2014-06-26

POLYURETHANE DISPERSIONS FOR COATING CONTAINERS

#75
20140135888
2014-05-15

Stents having a hybrid pattern and methods of manufacture

#76
20140053953
2014-02-27

Blunt tip vial access cannula and method for manufacture

#77
20140033791
2014-02-06

Method for forming tubular beam with center leg

#78
20130255616
2013-10-03

Air-Guiding Device for Vehicles and Method for Making the Same

#79
20130245732
2013-09-19

LEAD HEADER AND MANUFACTURE THEREOF

#80
20130199657
2013-08-08

Steel plate for producing pipe highly resistant to fuel vapor corrosion, pipe using same and method for producing pipe

#81
20130168360
2013-07-04

Apparatus for making tubular beam with center leg

#82
20130167607
2013-07-04

System and method for forming a metal beverage container using pressure molding

#83
20130153738
2013-06-20

Anti-spin mounting pole and method of forming

#84
20130031757
2013-02-07

Method of forming sheet metal casket shell

#85
20130025701
2013-01-31

Method of manufacturing flow path member, flow path member, liquid ejecting head and liquid ejecting apparatus

#86
20130008021
2013-01-10

Method for manufacturing outer conductor

#87
20120312066
2012-12-13

Method of Forming a Metal Container

#88
20120299673
2012-11-29

Solenoid housing and method of providing a solenoid housing

#89
20120204992
2012-08-16

Water pipe for which hydroforming is employed, and a production method therefor

#90
20120074720
2012-03-29

TUBULAR BEAM WITH SINGLE CENTER LEG

#91
20120040813
2012-02-16

Containers and Method and Apparatus for Forming Containers

#92
20110180471
2011-07-28

Method for making a bag filter housing

#93
20100307632
2010-12-09

Apparatus for and process of filling a muffler with fibrous material utilizing a directional jet

#94
20100058826
2010-03-11

Method of manufacturing container for absorbing fluid shock or mechanical shock

#95
20090326485
2009-12-31

Blunt tip vial access cannula and method for manufacture

#96
20080229803
2008-09-25

Hollow rack manufacturing method and manufacturing apparatus

#97
20080209729
2008-09-04

Automotive exhaust component and process of manufacture

#98
20070107194
2007-05-17

Method for manufacturing rotary drum for drum washing machine and pressing device therefor

#99
20060045820
2006-03-02

Port assembly for a cavitation chamber

#100
20060045819
2006-03-02

Port assembly for a spherical cavitation chamber

#101
20060042089
2006-03-02

Method of assembling multiple port assemblies in a cavitation chamber

#102
20060042088
2006-03-02

Method of assembling a port assembly in a cavitation chamber

#103
20060042087
2006-03-02

Method of assembling multiple port assemblies in a spherical cavitation chamber

#104
20060042086
2006-03-02

Method of constructing a port assembly in a spherical cavitation chamber

#105
20050079411
2005-04-14

Drawn and grooved battery can

#106
17515156
2023-12-05

Receiver extension and a method of manufacturing it

#107
15051392
2019-03-19

Submersible pump thrust surface arrangement

#108
12976941
2018-08-14

Heat exchanger fin forming machine