Patents-Review.com
ClassID:

38653 ⎘

B21D28/246 - CPC Classification

Classification description:

Shaping by press-cutting; Perforating; Perforating, i.e. punching holes Selection of punches

Recent Application in this class:
#1
20250170635
2025-05-29

Knockout Punch Tool with Draw Stud

 #2
20230347404
2023-11-02

PUNCH UNIT FOR PUNCHING HOLES IN A PROFILE WITH HIGH THROUGHPUT AND ITS METHOD

 #3
20230022370
2023-01-26

ARCHITECTURAL PANEL AND METHOD FOR MANUFACTURING THE SAME

 #4
20220097117
2022-03-31

Sheet metal working machine

 #5
20220032356
2022-02-03

HYDRAULIC DRIVE SYSTEM FOR A PUNCHING APPARATUS

 #6
20210197244
2021-07-01

SYSTEM AND METHOD FOR FLEXIBLE MANUFACTURING

 #7
20200139419
2020-05-07

COMPACT INTELLIGENT LOADING AND UNLOADING DEVICE OF NUMERICAL CONTROL TURRET PUNCH PRESS

 #8
20200009634
2020-01-09

System and method for flexible manufacturing

 #9
20190060974
2019-02-28

Punching apparatus

 #10
20190054516
2019-02-21

Punch press

 #11
20180207702
2018-07-26

Linear Punch Press and Method for Use

 #12
20170209912
2017-07-27

Punching apparatus

 #13
20160368037
2016-12-22

Metal punch assembly and method of use thereof

 #14
20160101457
2016-04-14

Punching apparatus

 #15
20150372572
2015-12-24

Method for manufacturing laminated iron core

 #16
20150372571
2015-12-24

Method for manufacturing laminated iron core

 #17
20140202298
2014-07-24

Reprocessed dies

 #18
20130240615
2013-09-19

Punch assembly with quick attach punch point and stripper plate removably secure thereon

 #19
20120291605
2012-11-22

Blanking die with device for replacing at least one punch

 #20
20110296969
2011-12-08

Multiple punch unit for punch presses

 #21
20110252938
2011-10-20

Punch press device

 #22
20100095824
2010-04-22

Reprocessed dies

 #23
20050126358
2005-06-16

Press apparatus, striker control modular tool apparatus and programmable method for punching apertures into a workpiece