ClassID:

38303

B21C37/0803 - CPC Classification

Classification description:

Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes; Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes

Recent Application in this class:
#1
20260152375
2026-06-04

BOOM ASSEMBLY

#2
20250041921
2025-02-06

METHOD OF MANUFACTURING PIPE

#3
20240100582
2024-03-28

METHOD AND SYSTEM FOR FORMING TUBULAR OR TRUNCATED CONICAL SEGMENTS

#4
20230116787
2023-04-13

BEAM ASSEMBLY WITH MULTI-HOLLOW FORMATION

#5
20230113975
2023-04-13

Method for joining edges and/or surfaces of a profile, joining roller arrangement and profiling installation

#6
20230060627
2023-03-02

EXPANDED TUBE FOR A MOTOR VEHICLE CRASH BOX AND MANUFACTURING METHOD FOR IT

#7
20220016684
2022-01-20

Method for manufacturing torsion beam

#8
20210387242
2021-12-16

Profiling station, profiling unit formed therefrom and profiling system

#9
20210276847
2021-09-09

BOOM ASSEMBLY

#10
20210261075
2021-08-26

Beam assembly with multi-hollow formation

#11
20210138521
2021-05-13

Process for the production of thin-walled hollow profiles which are composed of nonferrous metals and have small diameters

#12
20200122210
2020-04-23

Press device, and method of manufacturing elliptical-cylindrical member

#13
20190071833
2019-03-07

Foundation pile for a wind turbine and methods for manufacturing a foundation pile

#14
20190039077
2019-02-07

Electrical dust filter manufacturing method and electrical dust filter manufactured thereby

#15
20180354080
2018-12-13

Method of manufacturing a welded tube

#16
20180304938
2018-10-25

Tubular component with an extruded profile

#17
20180185896
2018-07-05

CLAD PIPE AND CLAD PIPE MANUFACTURING METHOD

#18
20180104731
2018-04-19

Steel pipe, steel pipe structure, method of manufacturing steel pipe, and method of designing steel pipe

#19
20170274434
2017-09-28

Method of producing shaped article, tooling, and tubular shaped article

#20
20160368034
2016-12-22

Method of manufacturing a welded tubular section using in-line notching and trimming initiated after roll-forming and welding

#21
20160229458
2016-08-11

Roof segment for a vehicle and method for producing a roof segment

#22
20160114366
2016-04-28

Apparatus and method for the continuous and progressive shaping of metal strips to give a profile with longitudinally varying cross section

#23
20160094001
2016-03-31

Tube hydroforming of jointless USB stainless steel shell

#24
20150328675
2015-11-19

Metal strip

#25
20150176272
2015-06-25

Square pipe, frame structure, square pipe manufacturing method, and square pipe manufacturing apparatus

#26
20150090361
2015-04-02

UOE steel pipe and structure

#27
20150076215
2015-03-19

Method of manufacturing curvilineal closed structure parts without flange and apparatus for the same

#28
20130319375
2013-12-05

Tubular pressure accumulator, in particular for mixture-compressing, spark-ignited internal combustion engines

#29
20130020835
2013-01-24

STRUCTURAL TUBE AND METHOD

#30
20120204993
2012-08-16

Curvilineal closed structure parts and method for manufacturing the same

#31
20120145356
2012-06-14

Hybrid pin-fin micro heat pipe heat sink and method of fabrication

#32
20110308660
2011-12-22

Dual seam electric resistance welded tubes

#33
20110247196
2011-10-13

Method of manufacturing a rotor

#34
20110179845
2011-07-28

Apparatus for producing a flat tube and method of producing a flat tube

#35
20100244347
2010-09-30

DEVICE AND SYSTEM FOR POSITIONING CIRCULAR WORK PIECES

#36
20100193064
2010-08-05

Square pipe, frame structure, square pipe manufacturing method, and square pipe manufacturing apparatus

#37
20100012306
2010-01-21

Procedure For Manufacture Of A Tube For Conveyance Of A Fluid Of A Heat Exchanger, And Tube Obtained By Such Procedure

#38
20090038156
2009-02-12

Method of making a tubular support bar for a dashboard support

#39
20080314189
2008-12-25

Deformable element of a steering wheel spindle in the form of a corrugated tube

#40
20080141872
2008-06-19

Pressing Method for Sealing Heat Pipe

#41
20080113534
2008-05-15

Hollow Bar Manufacturing Process

#42
20080111385
2008-05-15

Method for manufacturing impact absorber for vehicle

#43
20080035628
2008-02-14

Production of Ihpf Components Having a Flange

#44
20080028609
2008-02-07

Hollow member, manufacturing method thereof, fluid distribution system using the hollow member, and forming apparatus of hollow material

#45
20070295490
2007-12-27

Flat Tube for a Heat Exchanger

#46
20070271788
2007-11-29

Method and apparatus for manufacturing a muffler for automotive exhaust systems

#47
20070138237
2007-06-21

Method of manufacturing heat exchanger tube and heat exchanger

#48
20070095001
2007-05-03

Continuous process of roll-forming pre-stamped varying shapes

#49
20070074556
2007-04-05

Continuous process of roll-forming stamped sheet

#50
20070050965
2007-03-08

Hollow bar manufacturing process

#51
20060260376
2006-11-23

Tubular metal body, method of producing same, liner for pressure vessel and method of producing same

#52
20060208036
2006-09-21

Tubes with an integrated flange consisting of flexibly rolled material for structural classis and body parts

#53
20060201665
2006-09-14

Heat exchanger tube having strengthening deformations

#54
20060138090
2006-06-29

System and method for manufacturing steel tapered poles

#55
20060090339
2006-05-04

Method and apparatus for fabricating arcuate sheet metal components for HVAC duct systems

#56
20060073353
2006-04-06

Profiles or tubes consisting of flexibly rolled strip material

#57
20060048597
2006-03-09

Support casing for housing a steering shaft

#58
20050262982
2005-12-01

Coolant delivery system and continuous fabrication apparatus which includes the system

#59
20050150108
2005-07-14

Heat carrier and method for the production thereof

#60
20050127142
2005-06-16

Structural element having a metal wall of generally tubular shape

#61
20050082345
2005-04-21

Device for production of a tube

#62
20050067156
2005-03-31

Pressure containing heat transfer tube and method of making thereof

#63
20050028572
2005-02-10

Method for the production of a metal tube, in particular a gas distributor tube for vehicle airbags