ClassID:

52858

B29D23/003 - CPC Classification

Classification description:

Producing tubular articles; Pipes; Pipe joints Pipe joints, e.g. straight joints

Sub-classes:
Recent Application in this class:
#1
20260104122
2026-04-16

METHOD OF JOINING PIPES AND APPARATUS FOR FACILITATING THE SAME

#2
20250387990
2025-12-25

METHOD FOR PRODUCING PRE-INSULATED FITTINGS

#3
20250276486
2025-09-04

CONSTANT STRAIN PEX EXPANSION TOOL HEAD

#4
20250102095
2025-03-27

COMPOSITE CONNECTORS AND METHODS OF MANUFACTURING THE SAME

#5
20240318761
2024-09-26

METHOD OF JOINING PIPES AND APPARATUS FOR FACILITATING THE SAME

#6
20240318760
2024-09-26

METHOD OF JOINING PIPES AND APPARATUS FOR FACILITATING THE SAME

#7
20240189091
2024-06-13

METHODS OF MANUFACTURING A Y-SHAPED BRANCH POINT FLOW DIVERSION DEVICE AND METHODS OF DEPLOYING A Y-SHAPED BRANCH POINT FLOW DIVERSION SYSTEM

#8
20240019071
2024-01-18

Electrofusion fittings for lined pipes

#9
20230332725
2023-10-19

Method of joining pipes and apparatus for facilitating the same

#10
20220260192
2022-08-18

Method of joining pipes and apparatus for facilitating the same

#11
20220055328
2022-02-24

Auto extruded split/spherical tee and full encirclement saddle

#12
20210378813
2021-12-09

Methods of manufacturing a Y-shaped branch point flow diversion device and methods of deploying a Y-shaped branch point flow diversion system

#13
20210348290
2021-11-11

Method of Manufacturing Aircraft Engine Parts Utilizing Reusable And Reconfigurable Smart Memory Polymer Mandrel

#14
20210332927
2021-10-28

REINFORCING RING WITH SLEEVE

#15
20210332916
2021-10-28

HYDRAULIC SEALING BODY FOR BICYCLE BRAKING SYSTEMS AND HYDRAULIC HOSE ASSEMBLY FOR BICYCLE BRAKING SYSTEMS

#16
20210088166
2021-03-25

METHOD OF MAKING AN INLINE HOUSING FOR A PART ENCLOSED IN A TUBE

#17
20210071426
2021-03-11

Post mount cable rail installation system

#18
20210032943
2021-02-04

Composite dual channel drill pipes and method of manufacture

#19
20200408349
2020-12-31

Electrofusion fittings for lined pipes

#20
20200338837
2020-10-29

Method for connecting piping pieces

#21
20200191312
2020-06-18

Method of joining pipes and apparatus for facilitating the same

#22
20200070428
2020-03-05

Method for fixing a connection of a supply tube to an OPW airbag, in particular in a vehicle restraint system

#23
20200049296
2020-02-13

Composite connectors and methods of manufacturing the same

#24
20190351605
2019-11-21

Constant Strain PEX Expansion Tool Head

#25
20190270257
2019-09-05

Inductive welding of plastic objects with electrically interrupted heating means

#26
20190077956
2019-03-14

Tube connectors based on a polyamide composition

#27
20180356012
2018-12-13

Hydraulic sealing body for bicycle braking systems and hydraulic hose assembly for bicycle braking systems

#28
20180272616
2018-09-27

Method for assembling tubular joining sleeve and a conduit lining tube by laser welding

#29
20180128409
2018-05-10

Reinforcing ring with sleeve

#30
20180119300
2018-05-03

Method of manufacturing aircraft engine parts utilizing reusable and reconfigurable smart memory polymer mandrel

#31
20180045352
2018-02-15

Method of making an inline housing for a part enclosed in a tube

#32
20170363243
2017-12-21

Method of joining pipes and apparatus for facilitating the same

#33
20170361538
2017-12-21

Tube end detection

#34
20170321829
2017-11-09

Method for forming inline triple wall coupling connector

#35
20170151699
2017-06-01

Air duct cuff and method of manufacture

#36
20170151698
2017-06-01

Air duct cuff and method of manufacture

#37
20160319984
2016-11-03

Connecting systems for adjacent ends of insulation tubing

#38
20160265704
2016-09-15

Method of joining pipes and apparatus for facilitating the same

#39
20160208751
2016-07-21

Motor vehicle assembly unit and method for the production of the motor vehicle assembly unit

#40
20160178094
2016-06-23

Threaded pipe assembly for use in a valve cartridge of a separable water faucet and method for manufacturing same

#41
20160136907
2016-05-19

METHOD OF MOLDING PE-RT PIPELINE

#42
20160082651
2016-03-24

Device for welding plastic tubes

#43
20150285416
2015-10-08

METHOD OF MANUFACTURING OR REPAIRING A PIPE

#44
20150219261
2015-08-06

Air duct cuff and method of manufacture

#45
20150210005
2015-07-30

Electrofusion coupler composition

#46
20150076809
2015-03-19

Electrofusion fittings and methods

#47
20150065641
2015-03-05

TUBE CONNECTORS BASED ON A POLYAMIDE COMPOSITION

#48
20150020977
2015-01-22

Thermoplastic induction-welding systems

#49
20140374961
2014-12-25

Method for manufacturing a connector

#50
20140299258
2014-10-09

Method of preparing a pipe for joining to another pipe

#51
20140231025
2014-08-21

Device for welding plastic tubes

#52
20140197572
2014-07-17

Method for producing a tubular hollow body, and tubular hollow body

#53
20140157568
2014-06-12

Method of manufacture of pipe with reinforced female end

#54
20140144410
2014-05-29

Motor Vehicle Assembly Unit and Method for the Production of the Motor Vehicle Assembly Unit

#55
20140096861
2014-04-10

POLYMER COMPOSITION FOR MANUFACTURNING BIODEGRADABLE ARTICLES AND PROCESS THEREOF

#56
20140062083
2014-03-06

Method For Reinforcing A Connection Tube Having An Expansion Part, And Connection Tube Having An Expansion Part Reinforced By Said Method

#57
20130299068
2013-11-14

Method and arrangement for treatment of liner sleeve

#58
20130174972
2013-07-11

AIRCRAFT ENVIRONMENTAL CONTROL SYSTEM DUCTS AND METHOD FOR MAKING SAME

#59
20130126088
2013-05-23

Method and device for the butt-welding of pipes made of thermoplastic material

#60
20130026752
2013-01-31

Chemical fusion of non-metallic pipe joints

#61
20120153614
2012-06-21

Clamping ring

#62
20120090770
2012-04-19

METHOD FOR MAKING COMPOSITE PARTS HAVING COMPLEX SHAPES

#63
20120090721
2012-04-19

Plastic pipe with bell

#64
20120048455
2012-03-01

THERMOPLASTIC PIPE MADE WITH COMMINGLED GLASS FIBERS

#65
20110186211
2011-08-04

End-fittings for composite tubes, method for joining fittings to the ends of composite tubes and composite tubes incorporating end-fitting

#66
20100314033
2010-12-16

Device for welding plastic tubes

#67
20100227096
2010-09-09

Method for producing a tubular hollow body, and tubular hollow body

#68
20090152864
2009-06-18

Method of forming a clamping ring and a clamping ring

#69
20090014121
2009-01-15

Chemical fusion of non-metallic pipe joints

#70
20080023860
2008-01-31

Reinforcement of Polymer Bodies with Oriented Strips

#71
20050212297
2005-09-29

Chemical fusion of non-metallic pipe joints