Patents-Review.com
ClassID:

38635 ⎘

B21D28/002 - CPC Classification

Classification description:

Shaping by press-cutting; Perforating Drive of the tools

Sub-classes:
Recent Application in this class:
#1
20250083353
2025-03-13

HYDRAULIC HAND-HELD KNOCKOUT PUNCH DRIVER

 #2
20250041925
2025-02-06

RADIAL PRESS

 #3
20240261848
2024-08-08

Material forming

 #4
20230381849
2023-11-30

WORKPIECE PROCESSING APPARATUS

 #5
20230234119
2023-07-27

PRESS RAM FOR A FINE BLANKING PRESS

 #6
20230107079
2023-04-06

STUD PUNCH

 #7
20220371072
2022-11-24

METHODS OF AND APPARATUSES FOR METAL FORMING AND/OR CUTTING

 #8
20220097117
2022-03-31

Sheet metal working machine

 #9
20220032486
2022-02-03

Hydraulic hand-held knockout punch driver

 #10
20220032356
2022-02-03

HYDRAULIC DRIVE SYSTEM FOR A PUNCHING APPARATUS

 #11
20210268567
2021-09-02

Methods of, and apparatuses for, material forming

 #12
20210170472
2021-06-10

Press ram for a fine blanking press

 #13
20200331052
2020-10-22

Method for operating a fine blanking system

 #14
20200290107
2020-09-17

STAMPING APPARATUS AND STAMPING METHOD

 #15
20200188983
2020-06-18

Fine blanking press and method for operating the same

 #16
20200086372
2020-03-19

Press device

 #17
20200031081
2020-01-30

Dynamic balance device for press machine

 #18
20190329312
2019-10-31

Press punching machine and respective method of punching apertures in elongated nonferric enclosed polygonally profiled workpieces

 #19
20190152083
2019-05-23

Hydraulic hand-held knockout punch driver

 #20
20190151929
2019-05-23

Automatic cleaner and pressing device

 #21
20190099798
2019-04-04

Machining apparatus

 #22
20190054516
2019-02-21

Punch press

 #23
20180297099
2018-10-18

PUNCHING DEVICE

 #24
20180266446
2018-09-20

Cylinder device, press machine, workpiece clamping apparatus, cylinder device actuating method, method for clamping workpiece, and method for pressing workpiece

 #25
20180229392
2018-08-16

PUNCH JAWS AND PUNCH DEVICE COMPRISING A PUNCH SLEEVE AND A PUNCH OPENING

 #26
20180023651
2018-01-25

Spring deflection control assembly

 #27
20170368589
2017-12-28

Balanced panel punch drive system

 #28
20170328120
2017-11-16

Automated spacer frame fabrication and method

 #29
20170136519
2017-05-18

Punching a workpiece

 #30
20170008062
2017-01-12

Precision blanking press

 #31
20160325339
2016-11-10

Manufacturing apparatus for heat exchanger fins

 #32
20160144419
2016-05-26

Machine tool drive system

 #33
20160039108
2016-02-11

Hydraulic hand-held knockout punch driver

 #34
20160038991
2016-02-11

Device and method for producing clutch bodies that are suitable for synchronizer systems and provided with teeth or tooth sections

 #35
20160038990
2016-02-11

Punch apparatus

 #36
20150375287
2015-12-31

Methods and apparatus to shape a workpiece

 #37
20140090443
2014-04-03

Machine tool for processing workpieces

 #38
20130333578
2013-12-19

Assemblies and methods for processing workpieces in ram-driven presses

 #39
20130326858
2013-12-12

Assemblies and methods for processing workpieces in ram-driven presses

 #40
20130186245
2013-07-25

PUNCHING APPARATUS AND METHOD

 #41
20130133497
2013-05-30

Multiple tool

 #42
20130098218
2013-04-25

Stamping Press

 #43
20120255183
2012-10-11

Hydraulic hand-held knockout punch driver

 #44
20110297244
2011-12-08

Universal hole cutter

 #45
20110252938
2011-10-20

Punch press device

 #46
20110120281
2011-05-26

COUNTER-ROTATING SPINDLE TRANSMISSION

 #47
20110000349
2011-01-06

Hydraulic fine blanking head for a press and method of its infeed

 #48
20100095817
2010-04-22

Fluid distributor apparatus and punching method

 #49
20100013364
2010-01-21

Carriage assembly

 #50
20090188364
2009-07-30

Punch Press

 #51
20090126548
2009-05-21

Punch press

 #52
20090013843
2009-01-15

Counter-Rotating Spindle Transmission

 #53
20090007747
2009-01-08

Live tooling systems for machine tools

 #54
20090000295
2009-01-01

Press-driven tool actuation system

 #55
20080269031
2008-10-30

Tool assembly for a ram driven press responsive to the stroke of the ram driven press

 #56
20070240551
2007-10-18

Punch tool lift spindle

 #57
20070107574
2007-05-17

Spindle drive support

 #58
20070101840
2007-05-10

Counter-rotating spindle transmission

 #59
20060005674
2006-01-12

Punching process with magnetostrictive power source

 #60
20050252269
2005-11-17

Toggle press

 #61
20050072287
2005-04-07

Pierce cam