ClassID:

51441

B29C66/52231 - CPC Classification

Classification description:

General aspects of processes or apparatus for joining preformed parts; General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles; Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles; Joining tubular articles, bars or profiled elements; Joining tubular articles for forming corner connections or elbows, e.g. for making V-shaped pieces with a right angle, e.g. for making L-shaped pieces

Recent Application in this class:
#1
20250387980
2025-12-25

INDUCTION HEATED CORNER KEYS

#2
20240351253
2024-10-24

ALUMINUM PROFILE INJECTION BONDING METHOD

#3
20200363004
2020-11-19

Vapor retarder for insulated pipe

#4
20190353291
2019-11-21

Couplings

#5
20190128459
2019-05-02

Connection device for pipe elements

#6
20190128458
2019-05-02

Continuous fiber reinforced composite and metal electrofusion coupler

#7
20180216772
2018-08-02

Pipe coupler and coupling methods

#8
20170343141
2017-11-30

Rotatable pipe adapter

#9
20170307124
2017-10-26

Pipe elbows and methods of manufacture

#10
20170198842
2017-07-13

Conduit coupling apparatus and method

#11
20160186910
2016-06-30

Pipe fittings allowing non-destructive pressure testing of integrity of seals

#12
20160167294
2016-06-16

Portable system for bonding pipes

#13
20160153599
2016-06-02

Weld fitting

#14
20160131295
2016-05-12

A METHOD OF MANUFACTURING AN ELBOW CHANNEL AND AN ELBOW CHANNEL

#15
20150292664
2015-10-15

Method for the manufacture of a plug-in connector, and plug-in connector

#16
20150059911
2015-03-05

Metal-containing polymeric reinforced pipe, method for manufacturing same and pipeline produced using said pipe

#17
20140326410
2014-11-06

Portable system for bonding pipes

#18
20140069548
2014-03-13

Resin end-face butt joint, method for welding the joints, and piping member

#19
20140020842
2014-01-23

Fusion welding socket

#20
20130341260
2013-12-26

Sealed fluidic component comprising a composite material of different paek materials

#21
20130106099
2013-05-02

Fusion welding fittings with weld bead cover

#22
20130038053
2013-02-14

Welding joint and welding method for same, welding device, welding joint, resin pipe welding device and welding method

#23
20120248764
2012-10-04

Conduit coupling apparatus and method

#24
20120159757
2012-06-28

Convenient-used securing clamp

#25
20120056418
2012-03-08

Couplings

#26
20110074145
2011-03-31

Connecting Device for Fluid Mediums

#27
20110049874
2011-03-03

Polymeric pipe fitting and gasket assembly and sealed polymeric pipe apparatus formed therewith

#28
20100326113
2010-12-30

Tubular conduit

#29
20100323200
2010-12-23

Customisable Size Load Bearing Polymer Composite Frame

#30
20100295299
2010-11-25

JOINT AND JOINING METHOD FOR PLASTIC PIPE

#31
20100072742
2010-03-25

Electromagnetic bond welding of thermoplastic pipe distribution systems

#32
20090218811
2009-09-03

Adhesively Secured, Fluid-Tight Pipe Joint Of PVC/CPVC Pipe And Fitting

#33
20090176045
2009-07-09

Molded Composite Material and Process for Production Thereof

#34
20090146414
2009-06-11

Method and system for joining pipeline components

#35
20090146413
2009-06-11

Method and system for joining pipeline components

#36
20090090454
2009-04-09

METHOD FOR JOINING PIPING SYSTEMS AND PIPING TO EQUIPMENT, FIXTURES, DEVICES, STRUCTURES, AND APPLIANCES

#37
20090045563
2009-02-19

Clamping device for clamping pipes, particularly on butt welding machines

#38
20080048439
2008-02-28

METHOD FOR JOINING MULTI-LAYERED PIPE

#39
20070272340
2007-11-29

Fusion welding fittings with weld bead cover

#40
20070209757
2007-09-13

Method for attaching tubes using an adhesive

#41
20060202471
2006-09-14

Electro-fusion joining system for thermoplastic piping systems

#42
20060197338
2006-09-07

Electro-fusion joining system for thermoplastic piping systems

#43
20050127664
2005-06-16

Integral barbed fitting

#44
20050022610
2005-02-03

Fluoropolymer flowmeter

#45
16940275
2022-07-12

Conduit coupling apparatus and method