ClassID:

39111

B21J5/025 - CPC Classification

Classification description:

Methods for forging, hammering, or pressing ; Special equipment or accessories therefor; Die forging; Trimming by making use of special dies ; Punching during forging Closed die forging

Recent Application in this class:
#1
20250381593
2025-12-18

CLOSED DIE FORGED BOP BONNET HOUSING AND METHOD

#2
20250187062
2025-06-12

METHOD FOR MANUFACTURING CONSTANT VELOCITY DRIVE SHAFT

#3
20250179620
2025-06-05

METHOD FOR MANUFACTURING HOT-FORGED MEMBER

#4
20230311196
2023-10-05

Hot Forging Process and Mould for Carrying Out Said Process

#5
20230242276
2023-08-03

Method for manufacturing a monolithic aircraft door by die-cutting and machining

#6
20230150013
2023-05-18

Forging and Pressing Production System and Management Method Therefor

#7
20220339693
2022-10-27

Method for manufacturing operation rod of wrench assembly for disassembling fan clutch, and product and wrench assembly thereof

#8
20220219225
2022-07-14

Forging device and method for manufacturing forged product

#9
20220152688
2022-05-19

Method and device for producing a hose nipple

#10
20220097139
2022-03-31

METHOD FOR THE PRODUCTION OF PARTS MADE FROM METAL OR METAL MATRIX COMPOSITE AND RESULTING FROM ADDITIVE MANUFACTURING FOLLOWED BY AN OPERATION INVOLVING THE FORGING OF SAID PARTS

#11
20220048094
2022-02-17

Method of repeatedly processing metal

#12
20220016693
2022-01-20

Method for producing metal components and metal component produced in this way

#13
20210229160
2021-07-29

Method and device for thickening a plastically deformable hollow body wall of a hollow body, in particular in portions, and manufacturing method and machine for producing a hollow body

#14
20210187591
2021-06-24

Method for producing forged crankshaft

#15
20210138528
2021-05-13

Apparatus for manufacturing parts, and related methods

#16
20210129788
2021-05-06

GAS GENERATOR, PLUG FOR GAS GENERATOR, AND METHOD OF MANUFACTURING PLUG FOR GAS GENERATOR

#17
20210094088
2021-04-01

Method and apparatus for manufacturing a forged component

#18
20210023606
2021-01-28

HOT-DIE NI-BASED ALLOY, HOT-FORGING DIE EMPLOYING SAME, AND FORGED-PRODUCT MANUFACTURING METHOD

#19
20200391277
2020-12-17

Forging and pressing production system and management method therefor

#20
20200391275
2020-12-17

Process of manufacturing of segments for carbon thrust bearing

#21
20200340081
2020-10-29

NICKEL-BASED ALLOY FOR HOT FORGING DIE, HOT FORGING DIE USING SAME, AND METHOD FOR MANUFACTURING FORGED PRODUCT

#22
20200300410
2020-09-24

Die lubricant rotating spray tray device

#23
20200282448
2020-09-10

MANUFACTURING METHOD

#24
20200261964
2020-08-20

Method For Producing A Structural Component From A High-Strength Alloy Material

#25
20200261963
2020-08-20

Forging and inclined window hole punching composite die

#26
20200230693
2020-07-23

Methods of forming forged fixed-cutter earth-boring drill bit bodies

#27
20200230692
2020-07-23

ALUMINUM ALLOYS FOR APPLICATIONS SUCH AS WHEELS AND METHODS OF MANUFACTURE

#28
20200070240
2020-03-05

LIGHT WEIGHT INSERTS FOR PISTON RINGS, METHODS OF MANUFACTURING THEREOF AND ARTICLES COMPRISING THE SAME

#29
20200030926
2020-01-30

Manufacturing method for cylindrical parts

#30
20200030864
2020-01-30

Forging assembly having capacitance sensors

#31
20190366419
2019-12-05

Apparatus for manufacturing parts, and related methods

#32
20190284844
2019-09-19

Forged frame handcuffs

#33
20190239604
2019-08-08

Mourning and Memorial Jewelry and Methods of Manufacture

#34
20190218647
2019-07-18

Aluminum alloys for applications such as wheels and methods of manufacture

#35
20190217376
2019-07-18

Aluminum wheels and methods of manufacture

#36
20190091748
2019-03-28

Method of producing press-formed product

#37
20180354081
2018-12-13

Fluid end and method of manufacturing it

#38
20180326472
2018-11-15

METHOD OF NEAR-NET-SHAPE FORGED MOLDING OF COUPLER KNUCKLE OF RAILWAY VEHICLE

#39
20180281049
2018-10-04

Method of producing forged product

#40
20180274641
2018-09-27

Power steering device

#41
20180257131
2018-09-13

Method for manufacturing cylindrical ring member, bearing, clutch, vehicle, and machine

#42
20180257127
2018-09-13

Method for producing forged TiAl components

#43
20180243819
2018-08-30

Methods of forming forged fixed-cutter earth-boring drill bit bodies

#44
20180185901
2018-07-05

Method and device for thickening a plastically deformable hollow body wall of a hollow body, in particular in portions, and manufacturing method and machine for producing a hollow body

#45
20180169742
2018-06-21

Apparatus and method for manufacturing forged crankshaft

#46
20180155805
2018-06-07

High toughness and high tensile strength thick steel plate with excellent material homogeneity and production method for same

#47
20180119459
2018-05-03

Forged frame handcuffs

#48
20180104735
2018-04-19

Press-working apparatus, press-working method, and press-molded product

#49
20180051777
2018-02-22

Ring gear, gear device and mold for manufacturing the ring gear

#50
20170361374
2017-12-21

PRESS FORMING METHOD FOR A SEMI-SOLID METAL MATERIAL AND PRESS FORMING APPARATUS FOR A SEMI-SOLID METAL MATERIAL

#51
20170312801
2017-11-02

Method of forming a trailer hitch receiver tube

#52
20170283926
2017-10-05

Method of manufacturing Ni-base superalloy

#53
20170165741
2017-06-15

Apparatus for forming a blank for finish forging for a forged crankshaft for a straight-6-cylinder engine and method for manufacturing a forged crankshaft for a straight-6-cylinder engine using the same

#54
20170106431
2017-04-20

Forming die, and undercut forming method

#55
20170100769
2017-04-13

Method and apparatus for producing forging by rotary forging

#56
20170072455
2017-03-16

BURR-FREEBOLT FORGING MOULD

#57
20170043402
2017-02-16

METHOD FOR THE PRODUCTION OF PARTS MADE FROM METAL OR METAL MATRIX COMPOSITE AND RESULTING FROM ADDITIVE MANUFACTURING FOLLOWED BY AN OPERATION INVOLVING THE FORGING OF SAID PARTS

#58
20160271684
2016-09-22

Method for producing a forged crankshaft

#59
20160263637
2016-09-15

Press-molding apparatus, press-molding method, and press-molded product

#60
20160250679
2016-09-01

Method for producing a forged crankshaft

#61
20160207093
2016-07-21

Device for forming a sheet-metal workpiece

#62
20160175918
2016-06-23

Net shaped forging for fluid ends and other work pieces

#63
20160158826
2016-06-09

Forging apparatus

#64
20160038994
2016-02-11

System and method of making a forged part

#65
20150352628
2015-12-10

Drawing Die With Lower Die Provided With Microstructures

#66
20150352627
2015-12-10

COLD FORMED PRODUCT AND METHOD FOR MAKING

#67
20150336163
2015-11-26

Method for producing a shaft

#68
20150321245
2015-11-12

Forged crankshaft and method for manufacturing the forged crankshaft

#69
20150321244
2015-11-12

Forging press

#70
20150314365
2015-11-05

Apparatus for forming a blank for finish forging for a forged crankshaft for a three-cylinder engine and method for manufacturing a forged crankshaft for a three-cylinder engine using the same

#71
20150283600
2015-10-08

Ball screw and manufacturing method of nut for ball screw

#72
20150283599
2015-10-08

Forged material sizing method and apparatus

#73
20150273291
2015-10-01

Method for Manufacturing a Cup-shaped Striking Faceplate of a Wood Golf Club Head

#74
20150266081
2015-09-24

Method for manufacturing integrated aluminum alloy bicycle front fork

#75
20150231688
2015-08-20

Press-forming method

#76
20150217363
2015-08-06

Forming tool with punch

#77
20150202680
2015-07-23

METHOD FOR MANUFACTURING SEMIFINISHED PRODUCT FOR HARD DISK DRIVE DEVICE CASE BODY AND SEMIFINISHED PRODUCT FOR CASE BODY

#78
20150190855
2015-07-09

Forging apparatus

#79
20150183065
2015-07-02

Method for manufacturing a forging

#80
20150174643
2015-06-25

Precision forged cartridge case

#81
20150158075
2015-06-11

Press molding machine

#82
20150143865
2015-05-28

Device and method for construction of baffles from engine block freeze plugs

#83
20150128419
2015-05-14

Method of manufacturing a gear

#84
20150128416
2015-05-14

Method of manufacturing die forged crankshaft

#85
20150117943
2015-04-30

Method for machining a functional part

#86
20150114070
2015-04-30

Method and apparatus that forms a closed cross-sectional structure

#87
20150074976
2015-03-19

JOINT MEMBER MANUFACTURED USING PIPE AND MANUFACTURING METHOD OF THE SAME

#88
20150063737
2015-03-05

Method for producing an extruded bearing journal

#89
20150052963
2015-02-26

Method and apparatus for forging

#90
20150042072
2015-02-12

Method and Apparatus for Cold Forging Metal Tubing for Trailer Hitch Receivers and the Trailer Hitch Receiver so Formed

#91
20150040639
2015-02-12

Hot forging die

#92
20150038244
2015-02-05

Forging method, molding device for forgings, and tripod uniform motion universal joint

#93
20150020566
2015-01-22

Forging device for the production of a piston blank, and method for the production of the piston blank by means of said forging device

#94
20150013408
2015-01-15

Method for forming forged parts

#95
20140373593
2014-12-25

Hot upset forging method

#96
20140366604
2014-12-18

Forging method and forging die

#97
20140360018
2014-12-11

Method for manufacturing a gear

#98
20140238099
2014-08-28

Process for making forged and machined components

#99
20140165688
2014-06-19

Forging apparatus

#100
20140144199
2014-05-29

Closed-die forging method and method of manufacturing forged article

#101
20140096584
2014-04-10

Forged sideways extrusion

#102
20140083319
2014-03-27

Precision forged cartridge case

#103
20140033786
2014-02-06

FABRICATING METHOD FOR FABRICATING METALLIC MEMBER

#104
20130319065
2013-12-05

Hot forging press machine

#105
20130091970
2013-04-18

Free-form surface gear

#106
20120325036
2012-12-27

Ball Screw and Manufacturing Method of Nut for Ball Screw

#107
20120256412
2012-10-11

Joint member manufactured using pipe and manufacturing method of the same

#108
20120137520
2012-06-07

Integrated valve sleeve

#109
20110224005
2011-09-15

Forging method, molding device for forgings, and tripod uniform motion universal joint

#110
20110224004
2011-09-15

Forging method, closed forging mold and tripod uniform motion universal joint

#111
20110146364
2011-06-23

Method and apparatus for forging

#112
20110130211
2011-06-02

Tripod-type constant-velocity universal joint and method of manufacturing the same

#113
20100035077
2010-02-11

Powder metal forging and method and apparatus of manufacture

#114
14612703
2017-05-23

Stamp, mold, quench of aluminum and magnesium sheet