ClassID:

153004

F16L23/0286 - CPC Classification

Classification description:

Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes the flanges being held against a shoulder the shoulder not being formed from the pipe

Recent Application in this class:
#1
20260063227
2026-03-05

BLOCK FITTING ASSEMBLY WITH SEAL STRUCTURE

#2
20250341269
2025-11-06

Sliding Connector Spool

#3
20250257825
2025-08-14

MECHANICAL JOINT RESTRAINT WITH WEDGE ASSEMBLIES INCLUDING COLLAR BOLTS

#4
20250251063
2025-08-07

ADAPTIVE CLAMPING APPARATUS

#5
20250164043
2025-05-22

FLEXIBLE TUBE ASSEMBLY

#6
20250043891
2025-02-06

CONNECTION ELEMENT FOR CONNECTING LINES FOR CONDUCTING A FLUID

#7
20250020249
2025-01-16

COMPOSITE PIPE END-FITTING

#8
20250012386
2025-01-09

COMPOSITE PIPE END-FITTING

#9
20240200700
2024-06-20

Sliding Connector Spool

#10
20240159336
2024-05-16

MECHANICAL JOINT RESTRAINT

#11
20230420165
2023-12-28

FLANGE FOR AN ELECTRICAL BUSHING AND ELECTRICAL BUSHING

#12
20230349494
2023-11-02

Sliding connector spool

#13
20230132678
2023-05-04

Method of using a mechanical joint restraint

#14
20220163146
2022-05-26

Flange for a hose

#15
20210270399
2021-09-02

Seal assembly

#16
20210222806
2021-07-22

END BLOCK DEVICE FOR FLANGE-TYPE FITTINGS

#17
20210080037
2021-03-18

Telescoping meter flange

#18
20200332933
2020-10-22

Mechanical joint restraint

#19
20200256489
2020-08-13

Irrigation pipe assembly

#20
20190234543
2019-08-01

Seal assembly

#21
20190078711
2019-03-14

Telescoping meter flange

#22
20180259101
2018-09-13

Pipe connection device and manufacturing method thereof

#23
20180073669
2018-03-15

ARTICULATING COUPLING ASSEMBLY

#24
20170184232
2017-06-29

Method For Connecting A Coupling Device To Respective Ends Of Two Pipes, And Structure Of Said Coupling Device

#25
20170059068
2017-03-02

Pipe connection fitting

#26
20160334037
2016-11-17

Connecting system

#27
20160334035
2016-11-17

Separation preventive pipe joint and pipeline constituent member

#28
20160066521
2016-03-10

Irrigation pipe and method of fabrication

#29
20160066520
2016-03-10

Irrigation pipe and method of fabrication

#30
20150369408
2015-12-24

Flange fitting

#31
20150097367
2015-04-09

Cooling pipe joint for motor cooling and motor cooling device provided with cooling pipe joint

#32
20150001846
2015-01-01

Method and apparatus for retaining a flange on a fluid meter

#33
20140239633
2014-08-28

Cut-in fitting for connecting pipe

#34
20140103646
2014-04-17

Composite coiled tubing connectors

#35
20130207387
2013-08-15

Pipe connector

#36
20130038054
2013-02-14

Connecting device for connecting a flexible container to a flange or a connecting ring

#37
20130019981
2013-01-24

Modular hydraulic hammer reduction system for railroad tank cars

#38
20120285572
2012-11-15

PIPE ARRANGEMENT

#39
20120274063
2012-11-01

PIPE CONNECTING APPARATUS

#40
20120169046
2012-07-05

PIPE COUPLING ASSEMBLY

#41
20120104750
2012-05-03

LOOSE ANTI-ROTATION LOCK SLEEVE FOR PIPE/FLANGE ASSEMBLY

#42
20120067441
2012-03-22

Irrigation pipe assembly

#43
20110233929
2011-09-29

ROTATABLE FLANGE Y-STRAINER

#44
20110052315
2011-03-03

Loose anti-rotation lock sleeve for pipe/flange assembly

#45
20100289262
2010-11-18

FLANGE COUPLING AND METAL PIPE JOINING STRUCTURE

#46
20100289256
2010-11-18

Pipe insertion indicator and method of use

#47
20100187812
2010-07-29

Two-piece flange adapter

#48
20100032945
2010-02-11

APPARATUS FOR CONNECTING TUBULAR BODIES

#49
20100025991
2010-02-04

PACKING MEANS FOR SEALING AND CONNECTOR FOR A PIPE WITH THE SAME

#50
20090295154
2009-12-03

Flexible captive flange hose connection and method

#51
20090200797
2009-08-13

PIPE FITTING AND PIPE COUPLING ASSEMBLY EMPLOYING SUCH FITTING

#52
20080093845
2008-04-24

Coupler for improved flow to an external drain

#53
20070283553
2007-12-13

METHOD OF PROVIDING A FLANGED CONNECTION

#54
20070216162
2007-09-20

Connection device

#55
20070152446
2007-07-05

Flange joint with at least one flange being mounted in a rotation allowing manner

#56
20050225089
2005-10-13

Pipe coupling

#57
20050146139
2005-07-07

Flange connection and method for producing it

#58
18768901
2025-10-21

Pipe connection device