ClassID:

38300

B21C37/06 - 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

Sub-classes:
Recent Application in this class:
#1
20240084923
2024-03-14

Method for manufacture, assembly and continuous construction of pipe sections in a spoolbase with gradual movement

#2
20230191466
2023-06-22

STEEL PIPE COLLAPSE STRENGTH PREDICTION MODEL GENERATION METHOD, STEEL PIPE COLLAPSE STRENGTH PREDICTION METHOD, STEEL PIPE MANUFACTURING CHARACTERISTICS DETERMINATION METHOD, AND STEEL PIPE MANUFACTURING METHOD

#3
20220162820
2022-05-26

Removable reef and barricade system, appurtenances, and means of manufacture

#4
20220146018
2022-05-12

Method for manufacture, assembly and continuous construction of pipe sections in a spoolbase with gradual movement

#5
20220072595
2022-03-10

Heating system for production of a double-layer tube

#6
20220062991
2022-03-03

Device for forming bimetal composite pipe by spinning semisolid metal powder on outer wall of steel pipe

#7
20220008718
2022-01-13

Ring electrode with intermediate diffusion layer

#8
20210292879
2021-09-23

Superalloy seamless tube and preparation method thereof

#9
20210268563
2021-09-02

Systems and methods for production of metallurgically bonded clad billet and products thereof, and metallurgically bonded clad billet

#10
20200332421
2020-10-22

Manufacture of pipes

#11
20200094302
2020-03-26

Metal plate and method of producing tubular body

#12
20200061688
2020-02-27

Drawing machine and drawing method

#13
20190368649
2019-12-05

Composite tube with a sacrificial layer for very thin wall heat exchangers

#14
20190337034
2019-11-07

Forming system

#15
20190255317
2019-08-22

Production method for a ring electrode

#16
20190060969
2019-02-28

Method and tools for manufacturing of seamless tubular shapes, especially tubes

#17
20180356376
2018-12-13

Strain induced face seal

#18
20180318897
2018-11-08

Method of manufacturing band-shaped metal wire member including bonded portion

#19
20180133772
2018-05-17

Plate roll bending machine bending control system and method

#20
20180126432
2018-05-10

Composite manufacturing method with extruding and turning processes

#21
20170268121
2017-09-21

Method for Obtaining a Cooking Vessel Having a Colored Hard-Anodized Outer Face

#22
20170246670
2017-08-31

MULTI-LAYER PIPE MANUFACTURING APPARATUS AND METHOD OF MANUFACTURING MULTI-LAYER PIPES USING THE SAME

#23
20160273683
2016-09-22

Process for producing a multilayer pipe having a metallurgical bond by drawing, and multilayer pipe produced by this process

#24
20160256908
2016-09-08

Net-shaped duct forming apparatus

#25
20160207086
2016-07-21

Process for producing a multilayer pipe by expansion and multilayer pipe produced by said process

#26
20160094001
2016-03-31

Tube hydroforming of jointless USB stainless steel shell

#27
20160030817
2016-02-04

Metal shaft having longitudinally varying hardness, golf shaft using the metal shaft, golf club using the metal golf shaft, method of manufacturing the metal shaft, and tempering apparatus

#28
20150345669
2015-12-03

Method of forming seamless pipe of titanium and/or titanium alloys

#29
20150240377
2015-08-27

Method for obtaining a cooking vessel having a colored hard-anodized outer face

#30
20150202672
2015-07-23

Double-action extrusion press

#31
20150183015
2015-07-02

Method of producing cold-worked centrifugal cast tubular products

#32
20150059426
2015-03-05

Apparatus and method for manufacturing a seamless pipe

#33
20150000133
2015-01-01

Method for fabricating flattened tube finned heat exchanger

#34
20140373332
2014-12-25

Manufacturing method for stage tube

#35
20140166753
2014-06-19

Method and apparatus to tag metal

#36
20140166752
2014-06-19

Method and apparatus to tag metal

#37
20140053623
2014-02-27

HOT EXTRUSION METHOD FOR PRODUCING A METAL PART, EXTRUSION TOOL FOR IMPLEMENTATION IT AND LANDING GEAR ROD THUS PRODUCED

#38
20140047893
2014-02-20

Fabrication member

#39
20140007641
2014-01-09

Welded component comprising seamless bent pipe and seamless straight pipe sections and methods of manufacturing thereof

#40
20130327116
2013-12-12

METHOD FOR DESIGNING MATERIAL TO BE SUBJECTED TO CYLINDER FORMING AND PRODUCT FORMED BY PERFORMING CYLINDER FORMING

#41
20130252820
2013-09-26

Method of manufacturing high-frequency acceleration cavity component

#42
20130247632
2013-09-26

Method for producing spiral pipe

#43
20120279607
2012-11-08

Austenitic stainless steel pipe excellent in steam oxidation resistance and manufacturing method therefor

#44
20120279031
2012-11-08

PRODUCTION LINE FOR HIGH TEMPERATURE ALLOY FURNACE PIPES AND PIPEROWS USED IN PETROCHEMICAL INDUSTRY

#45
20120273152
2012-11-01

Method for producing a pipe

#46
20120249778
2012-10-04

Inspection apparatus for tubular product and inspection method therefor

#47
20120000565
2012-01-05

Barrel Form and Manufacturing Process for Same

#48
20110250365
2011-10-13

Continuously Manufactured Colored Metallic Products and Method of Manufacture of Such Products

#49
20110223053
2011-09-15

MANUFACTURE OF PIPES

#50
20110218661
2011-09-08

Method for individual tracking of metallic hollow bodies

#51
20100184577
2010-07-22

Apparatus for forming curls in reinforcing material-attached profile strip, method for producing spiral pipe, and apparatus for producing spiral pipe

#52
20100066273
2010-03-18

Copper/niobium composite piping material produced by copper electroforming, process for producing the same and superconducting acceleration cavity produced from the composite piping material

#53
20100000286
2010-01-07

Method of manufacturing a welded component comprising a seamless bent pipe and seamless straight pipe sections

#54
20090293579
2009-12-03

Net-shaped duct forming apparatus and method

#55
20090246550
2009-10-01

Tube

#56
20090049674
2009-02-26

HOLLOW BAR MANUFACTURING PROCESS

#57
20090007993
2009-01-08

Aluminum Alloy pipe and method of manufacturing same

#58
20080113534
2008-05-15

Hollow Bar Manufacturing Process

#59
20080011037
2008-01-17

Process for manufacturing a seamless tube

#60
20070277580
2007-12-06

Aluminum pipe production method

#61
20070113405
2007-05-24

Method for manufacturing a solid housing

#62
20070050979
2007-03-08

Manufacture of flow optimized stiffener for improving rigidity of ducting

#63
20070050965
2007-03-08

Hollow bar manufacturing process

#64
20060236544
2006-10-26

Design methodology to maximize the application of direct manufactured aerospace parts

#65
20060138090
2006-06-29

System and method for manufacturing steel tapered poles

#66
20060108017
2006-05-25

Multiple pipe, method of manufacturing the multiple pipe and device for manufacturing multiple pipe

#67
20060076147
2006-04-13

Method of completing a well

#68
20050249965
2005-11-10

Continuously manufactured colored metallic products and method of manufacture of such products

#69
20050241357
2005-11-03

Method for producing a metal tube

#70
20050230015
2005-10-20

Aluminum alloy pipe and method of manufacturing same

#71
20050223768
2005-10-13

Method for manufacturing a metal tubular blank, a tubular blank, and a product produced from said tubular blank

#72
20050145677
2005-07-07

Metal tubular body and manufacturing method thereof

#73
20050145676
2005-07-07

Metal tubular body and manufacturing method thereof

#74
20050126241
2005-06-16

Metal tube and its production method

#75
20050121563
2005-06-09

Support for moving cylindrical elements and method and conveyor using such supports

#76
20050058851
2005-03-17

Composite tube for ethylene pyrolysis furnace and methods of manufacture and joining same

#77
20050005449
2005-01-13

Method for manufacturing articless of jewellery

#78
17679254
2023-05-09

Method of manufacturing vehicle body structure component to include reinforced regions

#79
14155093
2015-11-17

Gun barrel manufacturing methods