ClassID:

39053

B21H3/02 - CPC Classification

Classification description:

Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling

Sub-classes:
Recent Application in this class:
#1
20260126075
2026-05-07

MATERIAL FOR ALUMINUM ALLOY SCREW, AND ALUMINUM ALLOY SCREW AND PRODUCTION METHOD THEREFOR

#2
20250256322
2025-08-14

METHOD OF MANUFACTURING A SCREW

#3
20230211405
2023-07-06

Processing die and preparation method for fastener

#4
20220120308
2022-04-21

Formed body of Cu—Al—Mn-based shape-memory alloy and method for producing same

#5
20220009668
2022-01-13

Apparatus to seal a metallic container

#6
20200156139
2020-05-21

Metallic container with a threaded closure

#7
20190353194
2019-11-21

Bolt and method for manufacturing the same

#8
20190331156
2019-10-31

Aircraft assembly

#9
20190331152
2019-10-31

Wood screw and method for producing a wood screw

#10
20190195264
2019-06-27

Frictionally damped fasteners and methods of manufacturing the same

#11
20190177976
2019-06-13

Screw-type rebar joint structure of deformed rebar and manufacturing method thereof

#12
20190031388
2019-01-31

Metallic container with a threaded closure

#13
20180355904
2018-12-13

Bolt

#14
20180298934
2018-10-18

Wood screw having a crescent-shaped protrusion between thread turns

#15
20180283437
2018-10-04

ROLLED-THREAD BOLT PRODUCTION METHOD

#16
20180209139
2018-07-26

COMBINED ANCHOR AND REBAR ASSEMBLY AND METHOD FOR PRODUCING THE SAME

#17
20180209138
2018-07-26

COMBINED ANCHOR AND REBAR ASSEMBLY AND METHOD FOR PRODUCING THE SAME

#18
20180185940
2018-07-05

Turning and thread-rolling machine with pre-compression device

#19
20180169738
2018-06-21

Method, module, and apparatus for roll-processing external pipe thread, and external pipe thread production line

#20
20180117664
2018-05-03

Thread-rolling flat die for threaded fastener, and thread-rolling method

#21
20180056367
2018-03-01

Thread rolling assembly

#22
20180050383
2018-02-22

Method of machining screw

#23
20180003212
2018-01-04

Screw thread structure for preventing being pulled out and tool for manufacturing same

#24
20170282236
2017-10-05

Hollow metal screw and method of making

#25
20170198736
2017-07-13

Pull-up bolt assembly

#26
20160377107
2016-12-29

Process for producing a connecting element as well as connecting element

#27
20160368107
2016-12-22

Automatic steel-bar coupling head making machine

#28
20160208841
2016-07-21

Hollow metal screw and method of making

#29
20160201710
2016-07-14

Hollow metal screw and method of making

#30
20160169263
2016-06-16

Threaded fastener

#31
20160107221
2016-04-21

Method of producing threaded member, method of producing spark plug, and apparatus for producing threaded member

#32
20160024808
2016-01-28

Method for reinforcing and calibrating a pipe portion

#33
20160003281
2016-01-07

Hollow metal screw and method of making

#34
20150336156
2015-11-26

Threaded rebar manufacturing process and system

#35
20150266083
2015-09-24

Method and apparatus for cold forming thread rolling dies

#36
20150225107
2015-08-13

Metallic container with a threaded closure

#37
20150037090
2015-02-05

THREADED REINFORCING BAR COUPLING FOR DEFORMED REINFORCING BAR, AND THREADED DEFORMED REINFORCING BAR

#38
20150013416
2015-01-15

Manufacturing method and manufacturing apparatus of screw-threaded bottle-can

#39
20140338412
2014-11-20

Form-rolling die structure and form-rolling method for compound screw

#40
20140308091
2014-10-16

Locking bolt and method for manufacturing same

#41
20140144197
2014-05-29

LUBRICATING OIL FOR ROLLING AND ROLLING METHOD

#42
20140008320
2014-01-09

Screw-top bottle-can and method for producing the same

#43
20130259597
2013-10-03

Weld stud

#44
20130230366
2013-09-05

Method for manufacturing aluminum based alloy-made fastening part and aluminum based alloy-made fastening part

#45
20130115025
2013-05-09

Production method for a semi-finished product and semi-finished product

#46
20130111964
2013-05-09

Production method for a semi-finished product

#47
20130022427
2013-01-24

Metallic glass fastening screw

#48
20120316000
2012-12-13

Method and rolling die for manufacturing a screw

#49
20120198906
2012-08-09

METHOD FOR MANUFACTURING COLD-FORGED WING BOLTS

#50
20120186318
2012-07-26

DEVICE FOR ROLLING THREADS

#51
20120180543
2012-07-19

Threaded rebar manufacturing process and system

#52
20120135378
2012-05-31

FASTENING SCREW FOR PROSTHETIC COMPONENTS IN IMPLANTODONTICS

#53
20110226594
2011-09-22

Wire binding screw for a circuit breaker

#54
20110217571
2011-09-08

BATTERY PACK AND METHOD OF MANUFACTURING SAME

#55
20110108149
2011-05-12

MANUFACTURING METHOD, A MANUFACTURING DEVICE AND A PRODUCT OF A LEAD-IN TYPE INTERFERENCE FIT PIPELINE EXTERNAL THREAD

#56
20110107806
2011-05-12

Device and non-cutting shaping method for introducing an outside profile into a workpiece

#57
20100068003
2010-03-18

Anti-cross threading screw

#58
20100054893
2010-03-04

Hollow bolt comprising a longitudinal bore

#59
20090320551
2009-12-31

Thread rolling die

#60
20090214317
2009-08-27

WELD STUD

#61
20090017924
2009-01-15

METHOD OF MANUFACTURING A BI-METAL SCREW

#62
20080194348
2008-08-14

Machining method and apparatus for thread formation on workpiece

#63
20070017610
2007-01-25

High strength bolt excellent in delayed fracture resistance and method of production of same

#64
20060234800
2006-10-19

Titanium alloy bolt and its manufacturing process

#65
20060225477
2006-10-12

Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt

#66
20060185169
2006-08-24

Methods for manufacturing endodontic instruments

#67
20060107717
2006-05-25

Method and apparatus for precision rolling of rotationally symmetrical components

#68
20050272354
2005-12-08

Method and apparatus for manufacturing hourglass worm rolling die

#69
20050217345
2005-10-06

Rolling die

#70
20050158149
2005-07-21

Die for, method of making, and fastener with lobed primary thread lead and interposed dual auxiliary thread lead with improved substrate entry end portion

#71
20050115293
2005-06-02

Thread rolling tool

#72
14218526
2017-05-09

Compound die for dual thread forming