B21K1/46 - CPC Classification Index

ClassID:

39253 ⎘

B21K1/46 - CPC Classification

Classification description:

Making machine elements bolts, studs, or the like with heads

Sub-classes:

B21K1/463 » {with recessed heads} 48
B21K1/466 » {Heading machines with an oscillating die block} 3
B21K1/48 » Machines working with hammers, e.g. beating in a radial direction, for forming heads 1
B21K1/50 » Trimming or shearing formed heads, e.g. working with dies 6

Recent Application in this class:

20250033174

2025-01-30

PULL STUD BOLT INSTALLATION AND REMOVAL TOOL AND TUBULAR BODY MANUFACTURING METHOD THEREOF

20240109121

2024-04-04

AN IMPROVED SCREW AND A METHOD OF MANUFACTURING THEREOF

20230166323

2023-06-01

Method for manufacturing a profiled rod

20190242422

2019-08-08

Lightweight fastener design

20180223889

2018-08-09

Metric self-tapping locking screw and the manufacturing method thereof

20180209139

2018-07-26

COMBINED ANCHOR AND REBAR ASSEMBLY AND METHOD FOR PRODUCING THE SAME

20180209138

2018-07-26

COMBINED ANCHOR AND REBAR ASSEMBLY AND METHOD FOR PRODUCING THE SAME

20180172051

2018-06-21

Enlarged head fastener device and method of manufacture

20180056371

2018-03-01

Method and apparatus for manufacturing stepped member

#10

20170282236

2017-10-05

Hollow metal screw and method of making

#11

20170159693

2017-06-08

STEEL WIRE FOR BOLTS, BOLT, AND METHODS FOR MANUFACTURING SAME

#12

20170072455

2017-03-16

BURR-FREEBOLT FORGING MOULD

#13

20160252125

2016-09-01

Lightweight fastener design

#14

20150354613

2015-12-10

Compressive indentation fastener device

#15

20150190861

2015-07-09

METHOD AND DEVICE FOR PRODUCING GROOVED BOLTS

#16

20150104271

2015-04-16

Punch pins, associated sockets, and methods of forming sockets using punch pins

#17

20140315649

2014-10-23

System and Method of Producing Mine Roof Bolts

#18

20140308091

2014-10-16

Locking bolt and method for manufacturing same

#19

20140157855

2014-06-12

TOOLING FOR HEADED PILOT POINTED BOLTS

#20

20140003882

2014-01-02

Functional element in the form of a press-in element

#21

20130333165

2013-12-19

Fastener made of bulk amorphous alloy

#22

20130324270

2013-12-05

MANUFACTURING METHOD AND EQUIPMENT FOR INTENSIFYING HARDNESS OF SCREWS

#23

20130230366

2013-09-05

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

#24

20120277007

2012-11-01

MAGNESIUM-BASED ALLOY SCREW AND PRODUCING METHOD THEREOF

#25

20120198906

2012-08-09

METHOD FOR MANUFACTURING COLD-FORGED WING BOLTS

#26

20120189402

2012-07-26

Functional element in the form of a press-in element

#27

20110183766

2011-07-28

Method for manufacturing a bolting part, tool for implementing the method, and device for tightening and loosening such a bolting part

#28

20110045915

2011-02-24

METHOD FOR THE FABRICATION OF A SCREW MEMBER FOR PLATE MEMBER FASTENER

#29

20100173716

2010-07-08

FORMED PRODUCT AND METHOD FOR PRODUCTION THEREOF

#30

20100068003

2010-03-18

Anti-cross threading screw

#31

20100043376

2010-02-25

Mower blade coupler with enlarged head and projecting fins

#32

20100003103

2010-01-07

Method of manufacturing a vehicular traction apparatus and a vehicular traction hook, and method of manufacturing a vehicular connecting member

#33

20090286608

2009-11-19

Method of forming a high performance thread forming screw

#34

20090247310

2009-10-01

Method and tooling for headed pilot pointed bolts

#35

20090183546

2009-07-23

Method for cold forging high strength fastener with austenitic 300 series material

#36

20090017925

2009-01-15

METHOD FOR THE COLD EXTRUSION OF BOLTS, IN PARTICULAR FOR FASTENING THE CUTTING BLADES OF MOWERS OR THE LIKE

#37

20080210351

2008-09-04

Formed product and method for production thereof

#38

20070243043

2007-10-18

HIGH PERFORMANCE THREAD FORMING SCREW

#39

20070017610

2007-01-25

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

#40

20060237134

2006-10-26

Method for preparing pre-coated, ultra-fine, submicron grain high-temperature aluminum and aluminum-alloy components and components prepared thereby

#41

20060130947

2006-06-22

Magnesium-base alloy screw and method of manufacturing the same

#42

20060123877

2006-06-15

Double-cavity heading die

#43

20060107517

2006-05-25

Method for the cold extrusion of bolts, in particular for fastening the cutting blades of mowers or the like

#44

20060054748

2006-03-16

Apparatus and method for manufacturing a rock bolt

#45

20050271496

2005-12-08

Formed product and method for production thereof