ClassID:

38430

B21D3/05 - CPC Classification

Classification description:

Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work

Recent Application in this class:
#1
20250205766
2025-06-26

APPARATUS AND METHOD FOR STRAIGHTENING A METAL WIRE

#2
20210078237
2021-03-18

Rerounder system

#3
20200215594
2020-07-09

Versatile tubing straightener

#4
20200101508
2020-04-02

Straightening device

#5
20190337037
2019-11-07

Multifunction work apparatus

#6
20190275577
2019-09-12

Fence post straightening device

#7
20180345345
2018-12-06

Coiled material passing device and coiled material passing method

#8
20180036779
2018-02-08

Straightening apparatus and method of changing rollers thereof

#9
20180015570
2018-01-18

Device and method for manufacturing welded shaped steel

#10
20160354820
2016-12-08

WIRE STRAIGHTENING DEVICE

#11
20160311048
2016-10-27

Straightening device for welding wire

#12
20160221055
2016-08-04

Open containment frame for roller applied deep compression treatment of shaft products

#13
20150360270
2015-12-17

Straightening machine

#14
20150343508
2015-12-03

Drawing unit and corresponding method

#15
20150258593
2015-09-17

METHOD AND ASSEMBLY OF STRAIGHTENING HEAVY WALL TUBE

#16
20150209850
2015-07-30

Straightening Roller Unit

#17
20140150512
2014-06-05

Pipe straightening apparatus and a method of straightening a pipe

#18
20120291507
2012-11-22

DEVICE FOR UNWINDING AND STRAIGHTENING COILED METALLIC TUBES

#19
20120279270
2012-11-08

Turk's head stand

#20
20110174595
2011-07-21

Device for leveling metal stock

#21
20110138868
2011-06-16

Method for leveling parts in a roller leveling machine

#22
20100181078
2010-07-22

Mobile coiled tubing straightening tool

#23
20100095736
2010-04-22

Straightening a tube on an expander

#24
20090301156
2009-12-10

TUBING STRAIGHTENER

#25
20080202187
2008-08-28

Method for Straightening Hot Profiled Sections

#26
20050056068
2005-03-17

Method of operating a section straightening machine

#27
13935152
2015-09-22

Apparatus for installing a retractable thermocouple