ClassID:

38663

B21D28/346 - CPC Classification

Classification description:

Shaping by press-cutting; Perforating; Perforating, i.e. punching holes; Perforating tools; Die holders length adjustable perforating tools

Recent Application in this class:
#1
20240351088
2024-10-24

Stud Punch

#2
20220362830
2022-11-17

Punching apparatus

#3
20200406331
2020-12-31

Adjustable width blanking die apparatuses

#4
20200122351
2020-04-23

Method of adjusting a punch body assembly

#5
20180318903
2018-11-08

Punch die

#6
20180281223
2018-10-04

Adjustable punch head assembly

#7
20180281222
2018-10-04

Adjustable punch body assembly

#8
20170348752
2017-12-07

Punch die

#9
20160193747
2016-07-07

Flexible grip die-alignment arrangement

#10
20150367400
2015-12-24

Punch die

#11
20150360276
2015-12-17

Punch die

#12
20140345435
2014-11-27

Punch holder and punch configurations

#13
20140109742
2014-04-24

Punch assembly with separate adjustable punch guiding shim block

#14
20140033887
2014-02-06

Tool system with interchangeable tool inserts for punching machines

#15
20130319200
2013-12-05

Adjustable punch assemblies and associated adjustment methods

#16
20120199642
2012-08-09

Multiple punch and die assembly providing hand disassembly, punch length adjustment and replacement

#17
20100229701
2010-09-16

Multiple punch and die assembly providing hand disassembly, punch length adjustment and replacement

#18
20100212469
2010-08-26

Multiple punch and die assembly

#19
20100139470
2010-06-10

Tool system with interchangeable tool inserts for punching machines

#20
20100107832
2010-05-06

Adjustable punch assemblies and associated adjustment methods

#21
20100095825
2010-04-22

Biasing assembly for a punching device

#22
20090266209
2009-10-29

Punch device with adjustment subassembly as retrofit insert or as original equipment

#23
20080092711
2008-04-24

Multiple punch and die assembly providing hand disassembly, punch length adjustment and replacement

#24
20060060046
2006-03-23

Biasing assembly for a punching device