ClassID:

38527

B21D13/00 - CPC Classification

Classification description:

Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form

Sub-classes:
Recent Application in this class:
#1
20250262837
2025-08-21

COMBINED MATERIAL HONEYCOMB CORE

#2
20240375372
2024-11-14

Combined Material Honeycomb Core

#3
20240293858
2024-09-05

SHEET MATERIAL FORMING

#4
20230057918
2023-02-23

Aircraft Heat Exchanger Finned Plate Manufacture

#5
20230055470
2023-02-23

Aircraft heat exchanger finned plate manufacture

#6
20220212241
2022-07-07

Sheet material forming

#7
20210354184
2021-11-18

METHOD FOR MANUFACTURING A SPATIALLY STRUCTURED PRODUCT, SEMI-FINISHED PRODUCT FOR THE PRODUCTION OF SUCH A PRODUCT AND PRODUCT WITH A SPATIALLY STRUCTURED SURFACE

#8
20210222962
2021-07-22

Aircraft heat exchanger finned plate manufacture

#9
20190128518
2019-05-02

Flexible Chimney Liner

#10
20180172061
2018-06-21

Method of manufacturing washer and washer

#11
20180169736
2018-06-21

Method of manufacturing washer and washer

#12
20170259319
2017-09-14

Sheet material forming

#13
20160329155
2016-11-10

BEADING TOOL, HOUSING PART FOR AN ELECTROCHEMICAL CELL, AND METHOD FOR TREATING A HOUSING PART

#14
20150107327
2015-04-23

Support for a grain bin floor and method of making the same

#15
20150076771
2015-03-19

Hot gasket with stainless steel

#16
20140352345
2014-12-04

Heat exchange matrix

#17
20130199256
2013-08-08

Process for Obscuring Corrugations in a Window Well

#18
20130180698
2013-07-18

Corrugated plate manufacturing apparatus

#19
20120312517
2012-12-13

Process for producing heat exchanger tubes and heat exchanger tubes

#20
20110300399
2011-12-08

Tolerance strips

#21
20090255317
2009-10-15

Method for producing high-precision half shells

#22
20090186196
2009-07-23

Multistable Structural Member and Method for Forming a Multistable Structural Member

#23
20090133865
2009-05-28

Process for producing heat exchanger tubes and heat exchanger tubes

#24
20090090160
2009-04-09

Process for obscuring corrugations in a window well

#25
20070107485
2007-05-17

Device for sheet material corrugation

#26
20060288556
2006-12-28

Method for fluid-shaping of sheet metal

#27
20060254334
2006-11-16

Device for shaping corrugated fin

#28
20050137087
2005-06-23

Metallic layer with regions of varying material thickness, method for producing such a metallic layer and honeycomb body at least partly produced from such metallic layers

#29
14690525
2016-01-05

Corrugated blast frequency control panel and method