Patents-Review.com
ClassID:

38664 ⎘

B21D28/36 - CPC Classification

Classification description:

Shaping by press-cutting; Perforating; Perforating, i.e. punching holes using rotatable work or tool holders

Recent Application in this class:
#1
20250178061
2025-06-05

DEVICE AND SYSTEM FOR LAYING AND INSERTING VARIABLE HOLES IN IRRIGATION TUBING

 #2
20230256499
2023-08-17

WORKPIECE TRANSPORT DEVICE

 #3
20220203475
2022-06-30

COMPOSITE WORKING MACHINE

 #4
20210331227
2021-10-28

Rotary installation tools for clinch fasteners

 #5
20210094086
2021-04-01

Center Punch Driver for Positioning a Fastener

 #6
20190374993
2019-12-12

Punching mold device capable of rotating a workpiece and punching method using thereof

 #7
20190168276
2019-06-06

Die-pressing punch capable of adjusting initial load of coil spring in accordance with material of workpiece, die-pressing die set, and beveling method

 #8
20190160508
2019-05-30

Die-pressing die having dust collection passage at peripheral edge portion of roller unit

 #9
20190054514
2019-02-21

Rotary stamper

 #10
20180214925
2018-08-02

Method and system for producing ring-shaped member for vehicle, and synchronizer ring

 #11
20180141177
2018-05-24

Punching system

 #12
20180093311
2018-04-05

Method and device for manufacturing plate parts for a heat exchanger

 #13
20180085813
2018-03-29

Tools and methods for handling workpieces

 #14
20180078989
2018-03-22

Reorientable rotatable processing tool

 #15
20180015525
2018-01-18

Buffer turret apparatus

 #16
20160303636
2016-10-20

Variable pitch punch apparatus

 #17
20150344252
2015-12-03

Apparatus for manufacturing current collector

 #18
20150239084
2015-08-27

Multi-tool adaptor

 #19
20150217363
2015-08-06

Forming tool with punch

 #20
20150202676
2015-07-23

Buffer turret apparatus

 #21
20150056035
2015-02-26

Tapping machine and tap die, and method of detecting overstroke of tap

 #22
20140318204
2014-10-30

Rotary stamper

 #23
20140251102
2014-09-11

Punching apparatus and punching method

 #24
20140096661
2014-04-10

Reorientable rotatable processing tool

 #25
20130133497
2013-05-30

Multiple tool

 #26
20130036884
2013-02-14

METHOD AND APPARATUS FOR PUNCHING OR PERFORATING MOVING MATERIAL WEBS

 #27
20120279369
2012-11-08

Punch press

 #28
20120204692
2012-08-16

Apparatus for punching moving material webs

 #29
20110174125
2011-07-21

METHOD OF SHEARING THIN PLATE

 #30
20110116881
2011-05-19

Tapping machine and tap die, and method of detecting overstroke of tap

 #31
20110100181
2011-05-05

Support for tool press

 #32
20110036135
2011-02-17

Rotary stamper

 #33
20090223273
2009-09-10

Plate workpiece processing tools and machines

 #34
20090211326
2009-08-27

Reorientable rotatable processing tool

 #35
20090019804
2009-01-22

TRACKS, METHODS FOR USE THEREOF, AND APPARATUS, SYSTEM, AND METHOD FOR MANUFACTURE

 #36
20090000205
2009-01-01

Reinforced Sealing, Trimming or Guiding Strips

 #37
20080142630
2008-06-19

WEB FORMING MACHINE

 #38
20080092712
2008-04-24

Flexible Electromechanical Punching Device

 #39
20070044532
2007-03-01

Rotary stamping apparatus and method of forming sheet metal

 #40
20060272377
2006-12-07

Finned multi-aperture sheet metal, method of manufacturing the sheet metal, part for exhaust emission control device using the sheet metal, and method of manufacturing the part for exhaust emission control device

 #41
20060201294
2006-09-14

Continuous rotary hole punching method and apparatus

 #42
20060027066
2006-02-09

Web forming machine

 #43
20050202948
2005-09-15

Web forming machine

 #44
20050199110
2005-09-15

Continuous rotary hole punching method and apparatus

 #45
20050044915
2005-03-03

Finned multi-aperture sheet metal, method of manufacturing the sheet metal, part for exhaust emission control device using the sheet metal, and method of manufacturing the part for exhaust emission control device