B21K1/44 - CPC Classification Index

ClassID:

39252 ⎘

B21K1/44 - CPC Classification

Classification description:

Making machine elements bolts, studs, or the like

Sub-classes:

B21K1/46 » with heads 45
B21K1/52 » double-ended, e.g. with heads on both ends 2
B21K1/54 » with grooves or notches 8

Recent Application in this class:

20200055151

2020-02-20

METHOD OF MANUFACTURING A WELDING STUD

20180363691

2018-12-20

3-D-printed components including fasteners and methods for producing same

20170074311

2017-03-16

Two-steel screw with an extrusion connection and method for producing said screw

20170016097

2017-01-19

Copper-nickel-zinc alloy containing silicon

20160107273

2016-04-21

Sensor-containing connection element and manufacturing method

20150041028

2015-02-12

Copper-nickel-zinc alloy containing silicon

20150030408

2015-01-29

Sensor-containing connection element and manufacturing method

20140318208

2014-10-30

Penetrator and method of manufacturing same

20140241832

2014-08-28

Unitary connector pin formed by two-stage cold heading die

#10

20140158672

2014-06-12

Method of welding a weld stud to a workpiece and of checking the strength of the welded joint

#11

20140076128

2014-03-20

Penetrator and method of manufacturing same

#12

20120090290

2012-04-19

Power transmission chain pin and manufacture method thereof

#13

20120067198

2012-03-22

Penetrator and method of manufacture same

#14

20110218667

2011-09-08

FORMING MACHINE FOR PRODUCING FORMED PARTS

#15

20110142566

2011-06-16

Stud for stud welding

#16

20080302162

2008-12-11

Cold-headed standoff

#17

20080188337

2008-08-07

Power transmission chain pin and manufacture method thereof

#18

20070000114

2007-01-04

Cold-headed standoff

#19

20060196330

2006-09-07

Method of forming a cold-headed standoff

#20

20060193713

2006-08-31

Thread-cutting screw

#21

20060119075

2006-06-08

Trailer ball and production thereof

#22

20050262916

2005-12-01

Stamping apparatus for forming rod with configured ends