ClassID:

38238

B21C23/085 - CPC Classification

Classification description:

Extruding metal; Impact extrusion; Making uncoated products by direct extrusion; Making wire, bars, tubes Making tubes

Recent Application in this class:
#1
20260138170
2026-05-21

Shear Assisted Extrusion Apparatus, Tools, and Methods

#2
20260124051
2026-05-07

PROCESS AND APPARATUS FOR PRODUCING A HOLLOW CYLINDER FOR A MEDICAL APPLICATION

#3
20260014608
2026-01-15

EXTRUDED HEAT PIPE

#4
20250367402
2025-12-04

SYSTEMS AND METHODS FOR MANUFACTURING INFUSION CANNULAS

#5
20250327159
2025-10-23

AUSTENITIC STAINLESS ALLOY MATERIAL

#6
20250281958
2025-09-11

TUBE MANUFACTURING EQUIPMENT FOR SQUARE BATTERY CANS FOR ELECTRIC VEHICLES

#7
20250164188
2025-05-22

Method for inductively heating steel ingots on a transport shoe and device for carrying out the method

#8
20250073767
2025-03-06

HOLLOW PROFILE-MANUFACTURING EXTRUSION DIE AND HOLLOW PROFILE

#9
20250065386
2025-02-27

THIN-WALLED COMPOSITE PIPE WITH HIGH THERMAL CONDUCTIVITY, AND PREPARATION METHOD AND APPLICATION THEREOF

#10
20250041920
2025-02-06

MULTI-AXIS SHEAR-ASSISTED EXTRUSION MACHINE

#11
20240307938
2024-09-19

EXTRUSION FEEDSTOCK AND PRODUCT THEREOF INCLUDING EXTRUDABLE ALUMINUM SCRAP

#12
20240307937
2024-09-19

EXTRUSION FEEDSTOCK AND PRODUCT THEREOF INCLUDING EXTRUDABLE ALUMINUM SCRAP

#13
20240239629
2024-07-18

PRE-STRETCHING ROLLER, METHOD OF MANUFACTURING THE PRE-STRETCHING ROLLER AND WINDING APPARATUS

#14
20240082898
2024-03-14

EXTRUSION WITH SPECIFIABLE OR VARIABLE WALL THICKNESS

#15
20240082897
2024-03-14

Hot extrusion die and hot extrusion integral forming method for special-shaped square pipe

#16
20240042504
2024-02-08

METHOD AND DEVICE FOR PRODUCING A TUBULAR SEMI-FINISHED PRODUCT FOR A SCAFFOLD OF AN IMPLANT

#17
20240009725
2024-01-11

Shear Assisted Extrusion Apparatus, Tools, and Methods

#18
20230405658
2023-12-21

Extruded material and method for producing the same

#19
20230166310
2023-06-01

Method of drawing an axial tube made of aluminum material and a cowl cross bar manufactured using same

#20
20230101127
2023-03-30

METHOD FOR MANUFACTURING AN ALUMINIUM TUBE, A METHOD FOR MANUFACTURING AN ALUMINIUM SLUG, AN ALUMINIUM TUBE AND AN ALUMINIUM SLUG

#21
20220371067
2022-11-24

Devices and Methods for Performing Shear-Assisted Extrusion and Extrusion Processes

#22
20220314290
2022-10-06

Extrusion molding method for differential thickness pipe and extrusion molding apparatus for differential thickness pipe

#23
20220226874
2022-07-21

EXTRUSION PRESS SYSTEMS AND METHODS

#24
20220203419
2022-06-30

EXTRUSION PRESS SYSTEMS AND METHODS

#25
20220107134
2022-04-07

Method for inductively heating steel ingots on a transport shoe and device for carrying out the method

#26
20220105565
2022-04-07

Method of metal foam extrusion and articles manufactured therefrom

#27
20210292865
2021-09-23

Fabrication method of tubular member

#28
20210245412
2021-08-12

Device and method for cutting an extruded pipe to length

#29
20210114244
2021-04-22

Device and method for cutting an extruded pipe to length

#30
20210069765
2021-03-11

Method of manufacturing two tubes simultaneously and machine for use therein

#31
20210069764
2021-03-11

FRICTION-ASSISTED TUBE FABRICATION METHOD

#32
20210053100
2021-02-25

Devices and methods for performing shear-assisted extrusion and extrusion processes

#33
20210053099
2021-02-25

Method for manufacturing cold-forged, extruded aluminum alloy tube

#34
20210039149
2021-02-11

Extrusion apparatus and method for manufacturing aluminum capillary tube using same

#35
20200405020
2020-12-31

System and method for manufacturing hollow tubular jewellery

#36
20200391266
2020-12-17

Extruded heat pipe

#37
20200298297
2020-09-24

METHOD FOR PIERCING TITANIUM ALLOY SOLID BILLET

#38
20200278160
2020-09-03

Heat exchangers, heat exchanger tubes, and additive manufacturing cold spray processes for producing the same

#39
20200269299
2020-08-27

Cold-extrusion forming method for unsymmetrical ferrule blanks

#40
20200269295
2020-08-27

Lubricating device for applying a lubricant when rolling a rolling material

#41
20200230364
2020-07-23

Intravenous therapy system for blood vessel access via a curved needle and curved catheter

#42
20200156132
2020-05-21

Method for producing seamless metal pipe

#43
20200147661
2020-05-14

Bridge Tool for Producing Extruded Profiled Elements of Varying Cross-Section

#44
20200124362
2020-04-23

Flat extruded aluminum multi-port tube whose inner surface is highly corrosion-resistant and an aluminum heat exchanger using the tube

#45
20200047233
2020-02-13

Extrusion press systems and methods

#46
20200047232
2020-02-13

Extrusion press systems and methods

#47
20190309778
2019-10-10

Furniture frame

#48
20190240710
2019-08-08

System, apparatus and method for manufacturing braid reinforced tubing

#49
20190234697
2019-08-01

Heat exchangers, heat exchanger tubes, and additive manufacturing cold spray processes for producing the same

#50
20190119786
2019-04-25

COPPER ALLOY BACKING TUBE AND METHOD OF MANUFACTURING COPPER ALLOY BACKING TUBE

#51
20190091745
2019-03-28

Method and tool for calibration of a hollow profile component produced by extrusion for automobile manufacturing

#52
20190090076
2019-03-21

Method of forming a speaker housing

#53
20190039110
2019-02-07

MANUFACTURING ULTRA-HIGH STRENGTH LOAD BEARING PARTS USING HIGH STRENGTH/LOW INITIAL YIELD STEELS THROUGH TUBULAR HYDROFORMING PROCESS

#54
20190010569
2019-01-10

Process of producing a duplex stainless steel tube

#55
20190009855
2019-01-10

Bicycle frame with built-in and removable battery

#56
20180369889
2018-12-27

Special-purpose die for shaping aluminum-magnesium alloy by rotating extrusion

#57
20180328316
2018-11-15

TUBE, EGR COOLER HAVING TUBE, AND MANUFACTURING METHOD OF TUBE

#58
20180313616
2018-11-01

Highly resistant copper tube against ant nest corrosion

#59
20180305795
2018-10-25

Tube for Use in Conjunction with a Deep Drilled Hole

#60
20180304328
2018-10-25

Copper alloy tube with excellent high-temperature brazeability and manufacturing method therefor

#61
20180292763
2018-10-11

Metallic ingot for impact pressing, cylindrical metal member, and electrophotographic photoreceptor

#62
20180272400
2018-09-27

Apparatus and method for fabricating high strength long nanostructured tubes

#63
20180223388
2018-08-09

Method for producing a strand from stainless steel and strand made of stainless steel

#64
20180173123
2018-06-21

Metallic ingot for impact pressing, cylindrical metal member, and electrophotographic photoreceptor

#65
20180073119
2018-03-15

Aluminum alloy pipe with superior corrosion resistance and processability, and method for manufacturing same

#66
20180066796
2018-03-08

Systems, devices and methods for modular pressure vessels

#67
20180056352
2018-03-01

Warm forming process and apparatus for transverse bending of an extruded aluminum beam to warm form a vehicle structural component

#68
20180056351
2018-03-01

Rotary extrusion producing method for producing inner ring rib with large aspect ratio formed of hollow billet

#69
20180023428
2018-01-25

Oil mist filter and oil separator

#70
20180001364
2018-01-04

Method of manufacturing a tube and a machine for use therein

#71
20170368585
2017-12-28

Method of manufacturing a tube and a machine for use therein

#72
20170361367
2017-12-21

Method of manufacturing a tube and a machine for use therein

#73
20170314862
2017-11-02

Multi port extrusion tubing design

#74
20170297069
2017-10-19

Direct or indirect metal pipe extrusion process, mandrel for extruding metal pipes, metal pipe extruder and extruded metal pipe

#75
20170253097
2017-09-07

Extruded suspension linkage

#76
20170248097
2017-08-31

Extruded cylinder liner

#77
20170173999
2017-06-22

Variable-wall light-weight axle shaft with an integral flange member and method for making the same

#78
20170165730
2017-06-15

MEMORY INTERFACE CONFIGURABLE FOR ASYNCHRONOUS AND SYNCHRONOUS OPERATION AND FOR ACCESSING STORAGE FROM ANY CLOCK

#79
20170100758
2017-04-13

Extrusion method for extruded material

#80
20170089649
2017-03-30

HEAT TRANSFER TUBE CONSTRUCTED OF TIN BRASS ALLOY

#81
20170080468
2017-03-23

Extrusion press systems and methods

#82
20170072450
2017-03-16

Method of forming extruded tubing for vehicle body component

#83
20170051384
2017-02-23

APPARATUS, MANUFACTURE, COMPOSITION AND METHOD FOR PRODUCING LONG LENGTH TUBING AND USES THEREOF

#84
20170011786
2017-01-12

Memory interface configurable for asynchronous and synchronous operation and for accessing storage from any clock domain

#85
20170001228
2017-01-05

Hydrostatic extrusion system and method for producing high strength seamless pipes

#86
20170001226
2017-01-05

PROCESS FOR MANUFACTURING SEAMLESS STEEL PIPE, HOLLOW SPRING UTILIZING SEAMLESS STEEL PIPE

#87
20160327346
2016-11-10

Heat exchanger with mechanically offset tubes and method of manufacturing

#88
20160288042
2016-10-06

End cap for an assembly used in the preparation of compressed gas

#89
20160229458
2016-08-11

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

#90
20160186685
2016-06-30

Piston for internal combustion engine

#91
20160167181
2016-06-16

Method and apparatus for forming a hard disk drive base plate with an extended height

#92
20160151818
2016-06-02

Composite tube and manufacturing method thereof

#93
20160101452
2016-04-14

Hot extrusion die tool and method of making same

#94
20160096221
2016-04-07

Method and apparatus for producing metal sheets

#95
20160059368
2016-03-03

Method and apparatus for forming a hard disk drive base plate with an extended height

#96
20150360281
2015-12-17

Aluminum porthole extruded tubing with locating feature

#97
20150285297
2015-10-08

Method for forming a variable wall light weight axle shaft with friction welded flange

#98
20150285296
2015-10-08

Variable-wall light-weight axle shaft with an integral flange member and method for making the same

#99
20150283594
2015-10-08

Systems and methods for extruding tubes

#100
20150225019
2015-08-13

Hollow structure with flange

#101
20150202672
2015-07-23

Double-action extrusion press

#102
20150144681
2015-05-28

Method for making corrosion resistant fluid conducting parts

#103
20150059426
2015-03-05

Apparatus and method for manufacturing a seamless pipe

#104
20140352386
2014-12-04

Apparatus for producing a tubular structure

#105
20140346721
2014-11-27

Hollow spring utilizing seamless steel pipe

#106
20140324213
2014-10-30

Extrusion press systems and methods

#107
20140283577
2014-09-25

Extrusion die for forming hollow material

#108
20140272210
2014-09-18

Extrusion

#109
20140227130
2014-08-14

Aluminum alloy and process for producing aluminum alloy extrusions

#110
20140102601
2014-04-17

Aluminum alloy and method of manufacturing extrusion using same

#111
20140093377
2014-04-03

EXTRUDED ROTOR, A STEAM TURBINE HAVING AN EXTRUDED ROTOR AND A METHOD FOR PRODUCING AN EXTRUDED ROTOR

#112
20130282104
2013-10-24

Implant and method for producing the same

#113
20130247640
2013-09-26

Extrusion plate and extrusion apparatus

#114
20130239637
2013-09-19

Process for manufacturing seamless steel pipe, hollow spring utilizing seamless steel pipe

#115
20130180616
2013-07-18

Double pipe and coupling structure for the pipe

#116
20130175728
2013-07-11

Permanent magnet production method

#117
20130000123
2013-01-03

Methods of structural health monitoring using metal bodies containing microcavities

#118
20120198903
2012-08-09

Forming apparatus for forming extruded hollow section

#119
20120192613
2012-08-02

Method for forming an extruded hollow section

#120
20120145358
2012-06-14

THINNED FLAT PLATE HEAT PIPE FABRICATED BY EXTRUSION

#121
20120096301
2012-04-19

Memory interface configurable for asynchronous and synchronous operation and for accessing storage from any clock

#122
20120047981
2012-03-01

Method for producing seamless tubes

#123
20110314885
2011-12-29

Methods and system for manufacturing lead battery plates

#124
20110290377
2011-12-01

Method for producing duplex stainless steel pipe

#125
20110252854
2011-10-20

Method for producing high alloy pipe

#126
20110233961
2011-09-29

Multi-thickness tube for hydroformed members

#127
20110146938
2011-06-23

HIGHLY CORROSION-RESISTANT ALUMINUM ALLOY FOR HEAT EXCHANGER TUBE AND METHOD FOR MANUFACTURING HEAT EXCHANGER TUBE USING THE SAME

#128
20110067475
2011-03-24

Process for producing high-alloy seamless tube

#129
20110058949
2011-03-10

Turbine airfoil fabricated from tapered extrusions

#130
20110056596
2011-03-10

High strength and high thermal conductivity copper alloy tube and method for producing the same

#131
20110041582
2011-02-24

Forming device for thixoextrusion and method thereof

#132
20110017334
2011-01-27

Wired conduit segment and method of making same

#133
20100285327
2010-11-11

Corrosion resistant fluid conducting parts, methods of making corrosion resistant fluid conducting parts and equipment and parts replacement methods utilizing corrosion resistant fluid conducting parts

#134
20100227193
2010-09-09

Composite metal extrusions and a process for producing composite metal extrusions

#135
20100095730
2010-04-22

DIE ASSEMBLY TOOL FOR EXTRUSION MOLDING

#136
20100064756
2010-03-18

Micro-channel tubes and apparatus and method for forming micro-channel tubes

#137
20100037976
2010-02-18

SEAMLESS STEEL PIPE, HOLLOW SPRING UTILIZING SEAMLESS STEEL PIPE, AND PROCESS FOR MANUFACTURING THE SAME

#138
20090305797
2009-12-10

Method for forming hollow profiles

#139
20090188110
2009-07-30

MICRO HEAT PIPE WITH POLIGONAL CROSS-SECTION MANUFACTURED VIA EXTRUSION OR DRAWING

#140
20090169911
2009-07-02

Extruded hollow section, forming apparatus for forming same, and method for forming same

#141
20090087604
2009-04-02

EXTRUDED TUBE FOR USE IN HEAT EXCHANGER

#142
20090011272
2009-01-08

Metal bodies containing microcavities and apparatus and methods relating thereto

#143
20090007993
2009-01-08

Aluminum Alloy pipe and method of manufacturing same

#144
20080289809
2008-11-27

Heat exchanger and fabrication method thereof

#145
20080245125
2008-10-09

Method of controlling mandrel in a tube-extruding press

#146
20080148085
2008-06-19

Memory interface configurable for asynchronous and synchronous operation and for accessing storage from any clock domain

#147
20080118595
2008-05-22

Continuous extrusion apparatus

#148
20070277580
2007-12-06

Aluminum pipe production method

#149
20070236870
2007-10-11

Small-sized electronic casing and method of manufacturing small-sized electronic casing

#150
20070158004
2007-07-12

Low-migration components, media- or drinking-water carrying works

#151
20070151710
2007-07-05

High throughput technology for heat pipe production

#152
20070137277
2007-06-21

Light weight, stiffened, twist resistant, extruded vehicle axle

#153
20070130769
2007-06-14

Micro heat pipe with pligonal cross-section manufactured via extrusion or drawing

#154
20070039369
2007-02-22

Aluminum pipe having excellent surface quality, method and apparatus for manufacturing the aluminum pipe, and photosensitive drum base body

#155
20060261135
2006-11-23

Composite metal tube and ring and a process for producing a composite metal tube and ring

#156
20060260724
2006-11-23

Aluminum alloy-based extruded multi-path flat tubes for the heat exchanger and method of manufacture thereof

#157
20060260376
2006-11-23

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

#158
20060242829
2006-11-02

Method of forming a jacketed steam distribution tube

#159
20060118282
2006-06-08

Heat exchanger tubing by continuous extrusion

#160
20060027628
2006-02-09

Corrosion resistant fluid conducting parts, methods of making corrosion resistant fluid conducting parts and equipment and parts replacement methods utilizing corrosion resistant fluid conducting parts

#161
20060005387
2006-01-12

Method of forming a jacketed steam distribution tube

#162
20050247380
2005-11-10

Heat transfer tube constructed of tin brass alloy

#163
20050230015
2005-10-20

Aluminum alloy pipe and method of manufacturing same

#164
20050217340
2005-10-06

Extruded composite profile and method for separately winding two individual simultaneously extruded tubes with the aid of a winding device

#165
20050188739
2005-09-01

Furniture structure having a bamboo-like shape

#166
20050155785
2005-07-21

Method of producing a sheath for a multifilament superconducting cable and sheath thus produced

#167
20050126246
2005-06-16

Solid shapes extrusion

#168
20050086992
2005-04-28

Method of forming a trailer receiver tube using hollow forward extrusion

#169
18113410
2023-08-15

Method for producing seamless pipes and extruder

#170
17679254
2023-05-09

Method of manufacturing vehicle body structure component to include reinforced regions