Patents-Review.com
ClassID:

38639 ⎘

B21D28/04 - CPC Classification

Classification description:

Shaping by press-cutting; Perforating; Punching blanks or articles with or without obtaining scrap ; Notching Centering the work; Positioning the tools

Recent Application in this class:
#1
20260138391
2026-05-21

METHOD AND APPARATUS FOR PRODUCING A CALIBRATED STAMPED PART

 #2
20250303460
2025-10-02

ELECTRODE PLATE MANUFACTURING DEVICE AND ELECTRODE PLATE MANUFACTURING METHOD

 #3
20240307947
2024-09-19

STRIP MATERIAL CUTTING DEVICE AND STACKING APPARATUS

 #4
20230294155
2023-09-21

Fastener enabled multi-plate securement and alignment arrangement

 #5
20230208260
2023-06-29

METHOD FOR MANUFACTURING STATOR CORE

 #6
20220410243
2022-12-29

APPARATUS FOR PRODUCING HOLLOW PANELS AND METHOD OF OPERATING SAME

 #7
20220187782
2022-06-16

Method for offset measure compensation

 #8
20210276071
2021-09-09

BENT TUBE AUTOMATION TOOLING

 #9
20210060635
2021-03-04

Device for manufacturing laminated iron core and method for manufacturing laminated iron core

 #10
20200376537
2020-12-03

Lead acid battery case punch and sensor

 #11
20200331051
2020-10-22

Real-time Control Apparatus for Punch

 #12
20190389024
2019-12-26

Automatic fault diagnosable integrated sheet body punching and grinding assembly

 #13
20190389021
2019-12-26

Conveying accuracy related fault detectable integrated sheet body punching and grinding assembly

 #14
20190329312
2019-10-31

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

 #15
20190299272
2019-10-03

Machining planar workpieces

 #16
20190202175
2019-07-04

Laminated member, laminated body, and motor

 #17
20190168283
2019-06-06

Shell system locating assembly for shells

 #18
20190143391
2019-05-16

Method and device for feeding a sheet metal panel to a punch press

 #19
20190126338
2019-05-02

Letter box with auto riveting

 #20
20190009324
2019-01-10

Method for processing laminated material

 #21
20180178267
2018-06-28

Laminated core manufacturing apparatus and laminated core manufacturing method

 #22
20180117658
2018-05-03

Steering yoke cutting equipment with automatic transporting system

 #23
20170361369
2017-12-21

Progressive die machine and method for manufacturing laminated iron cores by using same

 #24
20170120320
2017-05-04

Punching apparatus

 #25
20160303638
2016-10-20

Managing panel-like workpieces and products

 #26
20160144419
2016-05-26

Machine tool drive system

 #27
20150298337
2015-10-22

Method and tool unit for setting a punching gap

 #28
20150146218
2015-05-28

Detecting an overall dimension of a plate-shaped workpiece by a non-contact sensor

 #29
20140173922
2014-06-26

Laser positioner for punching machines

 #30
20120073352
2012-03-29

Method for producing embossed blanks

 #31
20120042764
2012-02-23

Punching tools and related machines and methods

 #32
20110048095
2011-03-03

Process and apparatus for positioning laminations

 #33
20100190625
2010-07-29

Positioning-jig for adjusting a face plate

 #34
20090205190
2009-08-20

Method of mounting a face plate on a female-die, and a positioning-jig used to mount the face plate on the female-die

 #35
20090145273
2009-06-11

Methods and machine tools for processing workpieces

 #36
20080217504
2008-09-11

Mechanical arrangement for processing plate-like workpieces

 #37
20070180723
2007-08-09

Punch press alignment instrument