ClassID:

153018

F16L23/18 - CPC Classification

Classification description:

Flanged joints characterised by the sealing means the sealing means being rings

Sub-classes:
Recent Application in this class:
#1
20260078850
2026-03-19

FLANGE ASSEMBLY

#2
20260009470
2026-01-08

IMPROVED COMPRESSION SEALING GASKET AND SEALING SYSTEM

#3
20250347369
2025-11-13

TORSION RESISTANT COUPLING

#4
20250334215
2025-10-30

STAINLESS STEEL COUPLING ASSEMBLY FOR CONNECTING PIPES

#5
20250290580
2025-09-18

GASKET AND JOINT STRUCTURE

#6
20250271062
2025-08-28

GASKET WITH ELECTRICAL ISOLATING COATINGS

#7
20250264172
2025-08-21

BUSHING SEAL FOR CRUDE OIL DESALTERS

#8
20250230883
2025-07-17

THROUGH-WALL PIPING CONNECTOR

#9
20250155058
2025-05-15

ASSEMBLY FOR ALIGNING

#10
20250067374
2025-02-27

CONNECTING FLANGE FOR CONNECTING TWO TUBULAR COMPONENTS TO EACH OTHER

#11
20250020239
2025-01-16

Subsea Dual Set Multi-Piston Mechanism

#12
20240426407
2024-12-26

DIELECTRIC RING GASKETS AND RELATED METHODS AND ASSEMBLIES FOR DETECTING INTERNAL CURRENT TRANSFER IN A PIPELINE

#13
20240401701
2024-12-05

COMPRESSION LIMITING COUPLING PILOT FOR COMPOSITE SEAL

#14
20240353037
2024-10-24

SYSTEM AND METHOD FOR JOINING AND HANGING DUCTS

#15
20240344609
2024-10-17

Gasket with electrical isolating coatings

#16
20240288103
2024-08-29

Torsion Resistant Coupling

#17
20240288094
2024-08-29

Method of Rotating a Pipeline Section

#18
20240263701
2024-08-08

Mesh flange gaskets and methods of manufacture thereof

#19
20240219258
2024-07-04

LEAKAGE DETECTION APPARATUS, SUBSTRATE PROCESSING APPARATUS, SUBSTRATE PROCESSING METHOD, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM

#20
20240035597
2024-02-01

Combination sealing member and pipe couplings

#21
20240003472
2024-01-04

DEVICE FOR RECEIVING AND/OR CONDUCTING BULK MATERIALS AND/OR POWDERS WITH A FLANGE CONNECTION DEVICE, AND SEALING ELEMENT

#22
20230341051
2023-10-26

Coupling structure

#23
20230283010
2023-09-07

QUICK RELEASE SAFETY ASSEMBLY FOR AIR AND ELECTRICAL CONNECTIONS

#24
20230184356
2023-06-15

CLAMPING SYSTEM FOR CONNECTING TUBES, COMPRISING A COLLAR AND A SEAL

#25
20230160507
2023-05-25

Clamping system for connecting tubes, comprising a collar and a seal

#26
20230160506
2023-05-25

Clamping apparatus

#27
20230135912
2023-05-04

Optimized connection assembly between two portions of a cryogenic line, comprising a double sealing barrier, a fluid expansion chamber and a detector for detecting the presence of the fluid in said chamber

#28
20230133675
2023-05-04

Gasket with electrical isolating coatings

#29
20230129427
2023-04-27

Pipe connection

#30
20230088516
2023-03-23

Stabilizing face ring joint flange and assembly thereof

#31
20230082967
2023-03-16

Hard pipe connecting device and manifold system thereof

#32
20230059749
2023-02-23

Feature for safeguarding fastener clamp-load on metal seal

#33
20220341517
2022-10-27

Method for producing a pipeline arrangement, and pipeline arrangement

#34
20220333722
2022-10-20

Flange belt

#35
20220228684
2022-07-21

Pipe clamp and pipe clamp assembly capable of realizing quick connection

#36
20220221057
2022-07-14

Gasket assembly and seal carrier

#37
20220213992
2022-07-07

Arrangement

#38
20220154859
2022-05-19

Self-sealing a flange

#39
20220026011
2022-01-27

Guide claw and a method of arranging a pump on a base

#40
20220010901
2022-01-13

Active sealing ring, in particular for an auto coupling

#41
20210404582
2021-12-30

Fluid line quick connector with spacer having angled surface(s)

#42
20210388923
2021-12-16

Sealing device for flanges

#43
20210310559
2021-10-07

Gasket with electrical isolating coatings

#44
20210262569
2021-08-26

Gasket

#45
20210247006
2021-08-12

Profiled clamp

#46
20210239246
2021-08-05

Flange connection set

#47
20210222807
2021-07-22

Gasket having interlocked inner diameter seal element

#48
20210222799
2021-07-22

Distribution orifice system for a dry agricultural product applicator

#49
20210215283
2021-07-15

Combination Sealing Member and Pipe Couplings

#50
20210199221
2021-07-01

Tube connector

#51
20210123528
2021-04-29

Hose coupling seal

#52
20210116059
2021-04-22

System and method for joining and hanging ducts

#53
20210108550
2021-04-15

Integrated bellows gasket

#54
20210095797
2021-04-01

Outlet coupling

#55
20210071563
2021-03-11

Arrangement and method for connecting fluid-conducting components, more particularly in the exhaust gas line of a motor vehicle

#56
20210047991
2021-02-18

Fastener-component sub-assembly

#57
20210018279
2021-01-21

Seal and a tubular heat exchanger using such seal

#58
20210018124
2021-01-21

Clamping collar with retaining loop

#59
20210010933
2021-01-14

Process analyzer adapter

#60
20210003218
2021-01-07

Sealing member for gasket, and gasket comprising same

#61
20200408340
2020-12-31

O-RING SEAL SYSTEM FOR METAL, THERMOPLASTIC AND FIBER REINFORCED PLASTIC FLANGES

#62
20200378531
2020-12-03

System for sealing flanged connections

#63
20200370688
2020-11-26

ALKY-ONE GASKET

#64
20200347969
2020-11-05

Non-metallic high pressure high temperature high chemical compatibility flange isolation gasket

#65
20200300393
2020-09-24

Coupling with improved bush-ring connection

#66
20200292113
2020-09-17

Profile clamp comprising a sealing element, sealing element for a profile clamp and conduit connection assembly comprising a profile clamp of this type

#67
20200240558
2020-07-30

PASS-THRU WINDOW AND ORIFICE CAP

#68
20200191305
2020-06-18

Tightening device comprising a belt and a sealing ring

#69
20200182385
2020-06-11

Articulating flow line connector

#70
20200158270
2020-05-21

Pipeline adapter

#71
20200132232
2020-04-30

Device for coupling two pipes of a run of piping comprising a set of frustoconical flanges, and piping comprising the coupling device

#72
20200124212
2020-04-23

Universal vacuum fitting clamp with torque control

#73
20200124176
2020-04-23

Apparatus and method for decreasing flow noise in ring-type joints

#74
20200040998
2020-02-06

Flange gasket

#75
20200018431
2020-01-16

Flange fitting for tubular structures

#76
20200003343
2020-01-02

High pressure composite pipe joining system

#77
20200001683
2020-01-02

Air conditioning fitting with axial and radial elastomeric sealing element and metal to metal taper saddle

#78
20190390773
2019-12-26

Gasket-mounting structure

#79
20190383429
2019-12-19

Isolated flexible fluid connection system

#80
20190331271
2019-10-31

PIPE JOINT FOR PLASTIC PIPES

#81
20190285210
2019-09-19

Flange fastening structure

#82
20190271424
2019-09-05

Sprung coupling

#83
20190271423
2019-09-05

Sprung coupling

#84
20190249807
2019-08-15

NON-METALLIC HIGH PRESSURE HIGH TEMPERATURE HIGH CHEMICAL COMPATIBILITY FLANGE ISOLATION GASKET

#85
20190234516
2019-08-01

Gasket

#86
20190232355
2019-08-01

Joint flange using thickness-increased and cutting-processed pipe and method for manufacturing same

#87
20190226613
2019-07-25

PIPE CONNECTING APPARATUS

#88
20190203837
2019-07-04

SEAL

#89
20190162337
2019-05-30

PIPE JOINT

#90
20190151962
2019-05-23

Kammprofile milling machine

#91
20190137002
2019-05-09

Methods and apparatus to install valve packing components

#92
20190113161
2019-04-18

Flange assembly

#93
20190107232
2019-04-11

Alky-one gasket

#94
20190093803
2019-03-28

Profile clamp having sealing element

#95
20190086004
2019-03-21

Arrangement for fluid-sealing connection of lines

#96
20190078687
2019-03-14

Gasket and flange connection structure for plumbing instrument using the same

#97
20190011049
2019-01-10

Spiral wound gasket

#98
20190011048
2019-01-10

Spiral wound gasket

#99
20180370326
2018-12-27

CONNECTION ARRANGEMENT FOR AN AIR CONDITIONING SYSTEM AND MOBILE AIR CONDITIONING SYSTEM

#100
20180363645
2018-12-20

Valve adapter connection assembly

#101
20180356018
2018-12-13

CONNECTOR WITH ACTUATABLE REACTION MEMBERS TO RESIST BENDING LOADS

#102
20180335157
2018-11-22

SAFETY HEAD APPARATUS

#103
20180328257
2018-11-15

JOINT ASSEMBLY

#104
20180320805
2018-11-08

Tubular joint

#105
20180306355
2018-10-25

Sealing connector

#106
20180299044
2018-10-18

Gasket with electrical isolating coatings

#107
20180299042
2018-10-18

Gasket for fluid coupling, and fluid coupling

#108
20180266595
2018-09-20

Sealing system having interlocking inner diameter seal element to resist pressure changes

#109
20180245693
2018-08-30

Gasket

#110
20180231160
2018-08-16

SYSTEM AND METHOD FOR JOINING AND HANGING DUCTS

#111
20180224031
2018-08-09

SYSTEM AND METHOD FOR JOINING AND HANGING DUCTS

#112
20180216569
2018-08-02

Fluid conduit assembly for connecting orthogonally oriented fluid connections

#113
20180209568
2018-07-26

Universal coupling

#114
20180135754
2018-05-17

Double-shoulder, double-rail serrated metal gasket

#115
20180119855
2018-05-03

GASKET

#116
20180119854
2018-05-03

Method and system for installing a gasket

#117
20180112806
2018-04-26

Pipe coupling

#118
20180094756
2018-04-05

GASKET WITH ELECTRICAL ISOLATING COATINGS

#119
20180088009
2018-03-29

Bi-directional valveless sampling port for use with gas sampling bags

#120
20180058616
2018-03-01

Non-metallic high pressure high temperature high chemical compatibility flange isolation gasket

#121
20180051838
2018-02-22

Quick connector

#122
20170363242
2017-12-21

Self locking and sealing pipe tapping means

#123
20170363234
2017-12-21

O-ring seal system for metal, thermoplastic and fiber reinforced plastic flanges

#124
20170350126
2017-12-07

Segmental duct coupler devices, systems, and methods

#125
20170328500
2017-11-16

Sprung coupling

#126
20170321831
2017-11-09

Flange seal and sealing arrangement comprising a flange seal of this type

#127
20170321828
2017-11-09

Method of preparing a pre-assembled pipe coupling

#128
20170321562
2017-11-09

Feeder duct assembly with flexible end fittings

#129
20170307116
2017-10-26

Pipe coupling

#130
20170276249
2017-09-28

FLANGE GASKET

#131
20170205018
2017-07-20

C flange bracket

#132
20170205003
2017-07-20

Locking pipe joint assembly, device and method

#133
20170191590
2017-07-06

Compressor gasket and method of preventing corrosion

#134
20170191589
2017-07-06

Cam lever clamp for sanitary fittings

#135
20170167648
2017-06-15

Tube with coupling

#136
20170152973
2017-06-01

Electrically isolating, fire-safe sealing element

#137
20170138478
2017-05-18

Sealing gasket for piping systems and its manufacturing process

#138
20170130881
2017-05-11

Sealing rings and sealing ring assemblies for high temperature end applications

#139
20170089644
2017-03-30

Port Connection for a Heat Exchanger

#140
20170089498
2017-03-30

Gasket

#141
20170074437
2017-03-16

Sealing device for flanges

#142
20170074434
2017-03-16

Connector with actuatable reaction members to resist bending loads

#143
20170059068
2017-03-02

Pipe connection fitting

#144
20170059064
2017-03-02

Block fitting and seal structure

#145
20170045167
2017-02-16

PIPE JOINT FOR PLASTIC PIPES

#146
20160377179
2016-12-29

Gasket and the manufacturing method thereof

#147
20160348817
2016-12-01

Double-rail serrated metal gasket

#148
20160338187
2016-11-17

Diaphragm flange and method for lowering particle beam impedance at connected beam tubes of a particle accelerator

#149
20160319971
2016-11-03

Alky-one gasket

#150
20160312935
2016-10-27

Pipe coupling structure

#151
20160265663
2016-09-15

Gasket and the manufacturing method thereof

#152
20160245440
2016-08-25

Tube seal assembly

#153
20160215885
2016-07-28

Device with improved heat resistance

#154
20160208969
2016-07-21

SEALING ASSEMBLY FOR HOSE CONNECTOR

#155
20160186905
2016-06-30

Tube connector for detachably connecting two connector parts for gas-tight connecting of riser tubes to vessels

#156
20160169428
2016-06-16

Hydraulic hose fitting and hydraulic device

#157
20160153597
2016-06-02

Aircraft fuel line couplings in compliance with survivable crash and lightning strike requirements

#158
20160153594
2016-06-02

Air grommet connector

#159
20160138718
2016-05-19

Gasket

#160
20160138172
2016-05-19

Gasket With Internal Galvanic Anode Ring

#161
20160123510
2016-05-05

Valve adapter connection assembly

#162
20160102793
2016-04-14

Flange joining structure and seal body used therein

#163
20160084416
2016-03-24

Breakaway coupling

#164
20160076800
2016-03-17

Low leakage seal for low pressure system

#165
20160040810
2016-02-11

Bleed system bolted duct with recessed seals

#166
20160025223
2016-01-28

Gasket

#167
20160010774
2016-01-14

Nipple with flanged end to couple urinal to waste line

#168
20160003384
2016-01-07

System and method for joining and hanging ducts

#169
20150377394
2015-12-31

Seal element for isolation gasket

#170
20150316186
2015-11-05

Assembly for coupling a pair of double-walled tubes

#171
20150285418
2015-10-08

JOINT FOR TUBE

#172
20150276105
2015-10-01

Sealing system having interlocking inner diameter seal element to resist pressure changes

#173
20150276101
2015-10-01

Bulkhead fitting assembly

#174
20150267846
2015-09-24

Bulkhead fitting assembly and method of making

#175
20150267845
2015-09-24

Bulkhead fitting assembly and method of sealing a bulkhead opening

#176
20150267830
2015-09-24

Fluid control device manifold, manifold assembling method, and connection tool

#177
20150267814
2015-09-24

Spherical annular seal member and method of manufacturing the same

#178
20150260554
2015-09-17

Electromagnetic flow meter having an earth ring with a ring plate part and a wall part formed along an outer periphery

#179
20150260321
2015-09-17

Pipe joining structure

#180
20150252923
2015-09-10

Fluid coupling and retainer for fluid coupling

#181
20150233514
2015-08-20

Block fitting for metal seal structures

#182
20150219258
2015-08-06

Pressure vessel penetrator isolation device

#183
20150211647
2015-07-30

Safety head

#184
20150204473
2015-07-23

Pipe couplers and methods

#185
20150136238
2015-05-21

CONDUIT CONNECTION APPARATUS WITH PURGE GAS

#186
20150115603
2015-04-30

SEAL FITTING WITH O-RING

#187
20150059911
2015-03-05

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

#188
20150054276
2015-02-26

High-Pressure Bidirectional Seal

#189
20150042090
2015-02-12

HUB AND CONNECTOR ARRANGEMENT

#190
20150021863
2015-01-22

Mutiple-Leak Proof Sealiing System

#191
20140367964
2014-12-18

Flange joint connection structure

#192
20140353927
2014-12-04

FIRE AND CHEMICAL RESISTANT GASKET

#193
20140318659
2014-10-30

Sealing method for silicon carbide parts used at high temperatures

#194
20140252765
2014-09-11

Arrangement of an oblique-contact seal in a trapezoidal groove

#195
20140246852
2014-09-04

Combination sealing member and pipe couplings

#196
20140239633
2014-08-28

Cut-in fitting for connecting pipe

#197
20140225367
2014-08-14

Gasket retainer for surface mount fluid component

#198
20140217681
2014-08-07

EZ-seal gasket for joining fluid pathways

#199
20140205429
2014-07-24

Energy diffusing wear ring and methods thereof

#200
20140203551
2014-07-24

Hybrid redundant seal for refrigerant systems

#201
20140059835
2014-03-06

Apparatus and method for insertion of gaskets

#202
20140042702
2014-02-13

Gasket

#203
20140028021
2014-01-30

ASSEMBLY HAVING A FLANGE

#204
20130341874
2013-12-26

Gasket Material, Gaskets, and Related Methods

#205
20130328270
2013-12-12

Alky-one gasket

#206
20130313788
2013-11-28

SPIRAL WOUND GASKET

#207
20130313783
2013-11-28

High-Vacuum Seal

#208
20130300113
2013-11-14

Pipe coupling having movable gripping bodies

#209
20130300104
2013-11-14

ADJUSTABLE ELBOWS AND METHOD FOR USING THE SAME

#210
20130285369
2013-10-31

Tubular joint

#211
20130207388
2013-08-15

Pipe coupling for a riser for the connection of an oil or gas well to an oil rig

#212
20130207382
2013-08-15

Connection Assembly for Tubular Goods and Accessories

#213
20130189037
2013-07-25

Apparatus and method for insertion of gaskets

#214
20130147190
2013-06-13

Flange assembly

#215
20130147127
2013-06-13

Spherical annular seal member

#216
20120326431
2012-12-27

Bulkhead fitting assembly

#217
20120312556
2012-12-13

Seal

#218
20120235405
2012-09-20

Pipe coupling having movable gripping bodies

#219
20120235365
2012-09-20

ALKY-ONE GASKET

#220
20120223519
2012-09-06

Pipe joining structure

#221
20120091708
2012-04-19

Block fitting and seal structure

#222
20120074694
2012-03-29

SELF-ALIGNING SANITARY PIPE JOINTS AND RELATED SYSTEMS

#223
20110316239
2011-12-29

Assembly having a dual barrier gasket

#224
20110266755
2011-11-03

Isolation gasket, system and method of manufacture

#225
20110266483
2011-11-03

Sealing microsawtooth ring joint of two opposing surfaces

#226
20110221189
2011-09-15

Pipe coupling having movable gripping bodies

#227
20110214755
2011-09-08

Double metal seal fitting

#228
20110167607
2011-07-14

Apparatus and method for insertion of gaskets

#229
20110156352
2011-06-30

GASKET

#230
20110140374
2011-06-16

HYGIENIC TUBE FITTING GASKET

#231
20110140371
2011-06-16

Flange sealing system

#232
20110127770
2011-06-02

Coupling ring

#233
20110115216
2011-05-19

Method of using a pipe coupling having movable gripping bodies

#234
20110115170
2011-05-19

Comby two-sided overlain gasket for sealing of dismountable flanged joints

#235
20110057393
2011-03-10

High-vacuum seal

#236
20110037258
2011-02-17

Marmon flange to spherical adapter

#237
20110031745
2011-02-10

Fluid coupling and retainer for fluid coupling

#238
20110017305
2011-01-27

Tubular member with thermal sleeve liner

#239
20100283240
2010-11-11

EXTERNALLY REPLACEABLE VACUUM CHAMBER TO CHAMBER FLANGE SEAL

#240
20100225110
2010-09-09

SEALING WASHER WITH MULTIPLE SEALING RINGS

#241
20100219185
2010-09-02

Sealing System For Pressure Vessels

#242
20100156090
2010-06-24

METHOD AND APPARATUS FOR MAKING A FLUID CONNECTION TO A CONTAINER

#243
20100155986
2010-06-24

Low-stress molded gasket and method of making same

#244
20100127461
2010-05-27

SEAL RING AND METHOD

#245
20100059988
2010-03-11

LOOSE FLANGE PIPE JOINT

#246
20100052268
2010-03-04

Block fitting and seal structure

#247
20100013220
2010-01-21

Extrusion resistant gasket face seal

#248
20090322039
2009-12-31

Sealing system for exhaust-gas lines

#249
20090295155
2009-12-03

Flange connection

#250
20090284008
2009-11-19

SEALING SYSTEM FOR EXHAUST-GAS LINES

#251
20090243291
2009-10-01

Flanged Mechanical Pipe Coupling Having Spacers

#252
20090243290
2009-10-01

Isolation gasket system incorporating secondary seal and compression limiter

#253
20090243231
2009-10-01

Flange gasket

#254
20090174185
2009-07-09

Joint and Joinning Method for Multilayer Composite Tubing

#255
20090134587
2009-05-28

High temperature negative creep gasket and manufacturing same

#256
20090126808
2009-05-21

Connection structure between integrated panel and fluid device

#257
20090115188
2009-05-07

Systems and methods for making connections between pipe sections to form a conduit that is substantially free of gaps

#258
20090115139
2009-05-07

Spiral-wound gasket

#259
20090072536
2009-03-19

Connection Structure of Stack Panel to Fluid Device

#260
20090052981
2009-02-26

Flange assembly

#261
20090044904
2009-02-19

Seamless corrugated insert gasket and method of forming the same

#262
20090033041
2009-02-05

Sealing arrangement

#263
20090026716
2009-01-29

Soft insert gasket

#264
20090015005
2009-01-15

Rigid gasket aseptic connector

#265
20080290652
2008-11-27

Mechanical pipe coupling having spacers

#266
20080284161
2008-11-20

Pipe coupling having movable gripping bodies

#267
20080272595
2008-11-06

Mechanical Pipe Coupling Having Spacers

#268
20080169647
2008-07-17

Hermetic refrigerant fitting

#269
20080136179
2008-06-12

Seal assembly for materials with different coefficients of thermal expansion

#270
20080111313
2008-05-15

Seal ring and method

#271
20080073857
2008-03-27

Sealing system

#272
20080029971
2008-02-07

Seal ring and method

#273
20080018057
2008-01-24

Combination sealing member and pipe couplings

#274
20080012319
2008-01-17

Pipe mating swivel adapter for misaligned joints

#275
20070273102
2007-11-29

Block fitting and seal structure

#276
20070241516
2007-10-18

Negative creep gasket with core of shape memory alloy

#277
20070236008
2007-10-11

Pipe connecting structure

#278
20070235947
2007-10-11

FIXABLE FLANGE GASKET

#279
20070205566
2007-09-06

Seamless corrugated insert gasket and method of forming the same

#280
20070176373
2007-08-02

Low stress / anti-buckling spiral wound gasket

#281
20070145691
2007-06-28

Fluid gasket

#282
20070096402
2007-05-03

Reduced contact area gasket

#283
20070096400
2007-05-03

Seal for use with pipe and flange assemblies

#284
20070090645
2007-04-26

Pipe joint

#285
20070087606
2007-04-19

Sealing Member and System

#286
20070045968
2007-03-01

Pipe gasket

#287
20070024007
2007-02-01

Seal ring and method

#288
20070001403
2007-01-04

Outer ring and clamp-type joint for vacuum apparatus

#289
20060226653
2006-10-12

Flange assembly

#290
20060220324
2006-10-05

Isolation gasket, system and method of manufacture

#291
20060186602
2006-08-24

Seal

#292
20060145428
2006-07-06

Gasket ring with sharp peaks

#293
20060131883
2006-06-22

Externally pressurized connection

#294
20060101563
2006-05-18

Fixable flange gasket

#295
20050258641
2005-11-24

Pipe coupling having compression band

#296
20050253383
2005-11-17

Sealing member for use with pipe couplings

#297
20050253382
2005-11-17

Method of securing facing end portions of pipe elements

#298
20050253381
2005-11-17

Mechanical pipe coupling having spacers

#299
20050253380
2005-11-17

Deformable mechanical pipe coupling

#300
20050253029
2005-11-17

Deformable mechanical pipe coupling