ClassID:

152989

F16L21/035 - CPC Classification

Classification description:

Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed around the spigot end before connection

Recent Application in this class:
#1
20260146691
2026-05-28

PIPE, PIPE CONNECTION AND PIPELINE SYSTEM

#2
20260090697
2026-04-02

DISHWASHER

#3
20250224054
2025-07-10

GLAND, PIPE JOINT, AND METHOD FOR JOINING PIPES

#4
20250207697
2025-06-26

SUBSTRATE PROCESSING APPARATUS

#5
20250146602
2025-05-08

PIPE CONNECTION DEVICE FOR REPAIRS

#6
20240335085
2024-10-10

DISHWASHER

#7
20240165748
2024-05-23

Connecting part for a processing head for thermal material processing

#8
20240019055
2024-01-18

Ring body, pipe fitting, and method for joining pipes

#9
20230400127
2023-12-14

Integrated junction system for tubular fluid distribution elements

#10
20230383878
2023-11-30

PLUG CONNECTOR DEVICE AND PLUG CODING SYSTEM

#11
20230097233
2023-03-30

Coolant connecting piece, housing system and production thereof

#12
20230078069
2023-03-16

Vacuum chamber connector

#13
20220235891
2022-07-28

DUAL PLANE SEAL AIR CONDITIONER CONNECTOR

#14
20220154857
2022-05-19

Pipe connector

#15
20220145829
2022-05-12

POSITIVE RETENTION EXPANSION JOINTS

#16
20210388924
2021-12-16

Pipe joint with conductive seal

#17
20210123548
2021-04-29

Apparatus for connection and sealing of utility connections

#18
20210033226
2021-02-04

Swivel-capable, low-pressure-drop hose barb fittings

#19
20210003234
2021-01-07

Device for assembly and attachment of a pair of openings

#20
20200400256
2020-12-24

Quick-locking union connector

#21
20200347966
2020-11-05

Pipe joint seal for polymer piping

#22
20200284381
2020-09-10

Seal element for a pipe joint

#23
20200200311
2020-06-25

Restrained gasket for plastic pipes

#24
20200072504
2020-03-05

Heat exchanger

#25
20190360620
2019-11-28

BELL AND SPIGOT CONNECTION AND COMPOSITE GASKET SEAT SPIGOT RING FOR MAINLINE PIPES

#26
20190219201
2019-07-18

Pipe connector

#27
20190203740
2019-07-04

HYDRAULIC ACTUATOR

#28
20190184532
2019-06-20

Tool and method for installing a seal by allowing a precompression to join two tubular parts

#29
20190162342
2019-05-30

Restrained gasket for plastic pipes

#30
20190010703
2019-01-10

Sealing ring and assembly of ducts including said ring

#31
20180299046
2018-10-18

Shunt tube connection assembly

#32
20180274704
2018-09-27

Apparatus for connection and sealing of utility connections

#33
20180245727
2018-08-30

Sealing joint for low pressure pipe systems and method of manufacture

#34
20180216764
2018-08-02

Showerhead adapter

#35
20180187814
2018-07-05

Connecting element for connecting a pipe to a component of an air-conditioning system

#36
20180187810
2018-07-05

SYSTEM, METHOD AND APPARATUS FOR TOOL-LESS, PRE-ASSEMBLED RESTRAINED JOINT FOR PIPE

#37
20180142816
2018-05-24

Pair of connectors

#38
20180080490
2018-03-22

Plug-in connection arrangement and method for preparing a plug-in connection arrangement

#39
20180051634
2018-02-22

System and method for sealing a fluid system in a safety condition

#40
20170372887
2017-12-28

TRENCH FORMATION METHOD FOR RELEASING A SUBSTRATE FROM A SEMICONDUCTOR TEMPLATE

#41
20170370505
2017-12-28

Restrained gasket for plastic pipes

#42
20170254453
2017-09-07

Fluid connector having a deformable tab and plug/connector assembly

#43
20170234465
2017-08-17

Oval o-ring groove

#44
20170219139
2017-08-03

Rotatable axially securing and pressure-resistant line connection

#45
20170191598
2017-07-06

Coupling arrangement for a domestic appliance, a device for a domestic appliance, and a domestic appliance

#46
20170146163
2017-05-25

Shape memory alloy sealing ring and assembly

#47
20170074438
2017-03-16

Pipe Coupling Apparatus

#48
20170074432
2017-03-16

Pipe Coupling Apparatus

#49
20170074431
2017-03-16

Pipe Coupling Apparatus

#50
20170067587
2017-03-09

REVERSE SNAP PUSH/PULL QUICK CONNECT COUPLING

#51
20160312933
2016-10-27

Pipe seal

#52
20160298472
2016-10-13

Shim to maintain gap during engine assembly

#53
20160281890
2016-09-29

Transition gasket

#54
20160273689
2016-09-22

Quick connector for hydraulic hose coupling

#55
20160273685
2016-09-22

Quick connector for hydraulic hose coupling

#56
20160223109
2016-08-04

Seal for belled pipe

#57
20160169432
2016-06-16

HYDRAULIC CYLINDER JOINT AND HYDRAULIC CYLINDER PIPE INCLUDING SAME

#58
20160160734
2016-06-09

Gas leakage prevention cover and exhaust manifold having the same

#59
20160138743
2016-05-19

Methods and assemblies for welding a gasket to a pipe section

#60
20160116090
2016-04-28

Pipe Coupling Apparatus

#61
20160109043
2016-04-21

PIPE ADAPTER DEVICE

#62
20160102794
2016-04-14

Connector assembly for gas appliances

#63
20160076678
2016-03-17

Cylindrical pressure vessel clamping device

#64
20160047191
2016-02-18

Pivot joint

#65
20160045365
2016-02-18

Multi lumen co-radial pneumatic connector

#66
20160018032
2016-01-21

Pipe end seal assembly

#67
20150377396
2015-12-31

Plug-in connection for two pipes and method for assembling the plug-in connection

#68
20150354741
2015-12-10

Quick connect system for a fluid coupling

#69
20150354549
2015-12-10

High-pressure rotating sealing coupling with continuous expandable ring

#70
20150345679
2015-12-03

Grooved-ended resilient expansion joint for joining a pair of groove-ended pipes

#71
20150338001
2015-11-26

Clip for adjustable pipe fitting

#72
20150338000
2015-11-26

Plug unit and connection system for connecting capillary tubes

#73
20150337999
2015-11-26

Process for Manuafacturing Sealed Round Metal Ductwork

#74
20150337998
2015-11-26

Connecting device for media lines

#75
20150330548
2015-11-19

APPARATUSES AND METHODS FOR PROVIDING QUICK-CONNECTIONS WITH RETAINING FEATURES

#76
20150330541
2015-11-19

PROCESS OF MAKING A PLUMBING FITTING, AND THE PRODUCT THEREOF

#77
20150330062
2015-11-19

Removable fire hydrant nozzle with improved locking structure

#78
20150323109
2015-11-12

Drill Pipe Connector and Method

#79
20150292654
2015-10-15

Pipe connection for conducting a fluid that is under pressure

#80
20150285416
2015-10-08

METHOD OF MANUFACTURING OR REPAIRING A PIPE

#81
20150276110
2015-10-01

QUICK CONNECT COUPLING

#82
20150276109
2015-10-01

Quick connect torque coupling with safety lock

#83
20150276108
2015-10-01

FAST DETACHABLE PIPE CONNECTOR

#84
20150276107
2015-10-01

Coupling formation of a pipetting channel of a pipetting device for coupling of a pipette tip thereto

#85
20150260324
2015-09-17

Seal for a pipe coupling

#86
20150260318
2015-09-17

Pipe connector

#87
20150247600
2015-09-03

Composite rotary union for hose reel

#88
20150240974
2015-08-27

Corrugated pipe gasket

#89
20150219262
2015-08-06

Reverse snap push/pull quick connect coupling

#90
20150219259
2015-08-06

SWIVEL HOSE COUPLING WITH OUTER GRIP

#91
20150202810
2015-07-23

Connector member

#92
20150198567
2015-07-16

Adapter housing and connecting device for chromatography

#93
20150159788
2015-06-11

Sealing device for a vehicle

#94
20150137516
2015-05-21

Pump port adapter

#95
20150137460
2015-05-21

Sealing structure

#96
20150122917
2015-05-07

Liquid intrusion sealing structure of a urea injector

#97
20150084329
2015-03-26

Threadless pipe coupling

#98
20150076817
2015-03-19

COMPOSITE SLIDING GASKET FOR HIGH-PRESSURE JOINTS

#99
20140353968
2014-12-04

POSITIONING MECHANISM AND EXPANSION ASSEMBLY THEREOF

#100
20140346740
2014-11-27

Permanently lubricated film gasket and method of manufacture

#101
20140300105
2014-10-09

Heat exchanger housing connection

#102
20140252762
2014-09-11

Apparatus and Method for Connecting Pipe Systems

#103
20140246112
2014-09-04

Electrically conductive seals for fluid conveyance systems

#104
20140209074
2014-07-31

Crankcase ventilation for an internal combustion engine, tank ventilation conduit and connection system therefor

#105
20140203516
2014-07-24

Seal having stress control groove

#106
20140070530
2014-03-13

Fluidic plug unit and connecting device for liquid conducting components

#107
20130331022
2013-12-12

Fluid conditioning devices and assemblies

#108
20130324028
2013-12-05

Damper access assembly

#109
20130277965
2013-10-24

CYLINDRICAL GASKET, METHOD FOR MANUFACTURING THE SAME, AND INSERTION-TYPE EXHAUST PIPE JOINT USING THE CYLINDRICAL GASKET

#110
20130273721
2013-10-17

Trench formation method for releasing a substrate from a semiconductor template

#111
20130264820
2013-10-10

DEVICE AND METHOD FOR PRODUCING THE MOUTHS OF BIAXIALLY ORIENTED PLASTIC TUBES WITH INTEGRATED SEALING GASKETS

#112
20130214530
2013-08-22

High pressure pipe joint

#113
20130134707
2013-05-30

PIPE COUPLING FOR THE FLUID-TIGHT ATTACHMENT OF COMPONENTS IN AN AIR CONDITIONING SYSTEM

#114
20130099488
2013-04-25

O-RING SHIELD SYSTEM AND METHOD

#115
20130075981
2013-03-28

SEALING ARRANGEMENT

#116
20130038028
2013-02-14

Seal and associated sealing arrangement

#117
20130020797
2013-01-24

Fittings for sealed retention to end portions of pipes and related methods

#118
20120305319
2012-12-06

SAFETY JOINT WITH INDICATING FEATURE

#119
20120168021
2012-07-05

Pipe joint and related method

#120
20120146329
2012-06-14

PIPE CONNECTION ARRANGEMENT

#121
20110298210
2011-12-08

Plug unit and connection system for connecting capillary tubes, especially for high-performance liquid chromatography

#122
20110258852
2011-10-27

Process for manufacturing sealed round metal ductwork

#123
20110198845
2011-08-18

BOX CULVERT GASKET SEAL

#124
20110187059
2011-08-04

Sealing Gasket for Corrugated Pipe

#125
20110146049
2011-06-23

Grooved-ended resilient expansion joint and method of resiliently joining together a pair of grooved-ended pipes

#126
20110061760
2011-03-17

CONDUITS AND COUPLING SYSTEMS FOR TRENCHLESS APPLICATIONS

#127
20100270753
2010-10-28

HIGH STRENGTH COMPOSITE PIPE GASKET

#128
20100269956
2010-10-28

GAS SUPPLY STRUCTURE

#129
20100243089
2010-09-30

Working fluid feeding device

#130
20100187810
2010-07-29

ARRANGEMENT FOR CONNECTING TUBE ELEMENTS IN A VENTILATION DUCT SYSTEM

#131
20100140925
2010-06-10

PIPE COUPLING

#132
20100132823
2010-06-03

Insert tube and a system of insert tubes

#133
20100130119
2010-05-27

ARRANGEMENT FOR CONNECTING TUBE ELEMENTS IN A VENTILATION DUCT SYSTEM

#134
20100096812
2010-04-22

METHOD FOR FORMING A SEAL BETWEEN AIR DUCTS AND/OR TERMINAL UNITS THEREOF AND A SEAL

#135
20100059997
2010-03-11

ASSEMBLY OF MALE AND FEMALE MEMBERS

#136
20090295149
2009-12-03

Pipe joint and related method

#137
20090267307
2009-10-29

High Pressure Tube Seal

#138
20090261534
2009-10-22

SEALING GASKET AND USES OF SUCH A GASKET

#139
20090174182
2009-07-09

Fluid conduits with integral end fittings and associated methods of manufacture and use

#140
20090173130
2009-07-09

Fluid conduits with integral end fittings and associated methods of manufacture and use

#141
20090127853
2009-05-21

Multi-wall corrugated pipe couplings and methods

#142
20090108543
2009-04-30

Sealed exhaust system joint

#143
20090065968
2009-03-12

Permanently lubricated film gasket and method of manufacture

#144
20090026762
2009-01-29

Assembly of male and female members

#145
20080303276
2008-12-11

Sealing mechanism for ductwork

#146
20080268389
2008-10-30

Insert Tube and a System of Insert Tubes

#147
20080264621
2008-10-30

Heat exchanger with connector

#148
20080258407
2008-10-23

Volumetric sealing system

#149
20080191469
2008-08-14

Pipe section provided with a socket end part

#150
20080191466
2008-08-14

Fluid connector

#151
20080141978
2008-06-19

O-ring retainer for a fuel injector in a fuel rail socket

#152
20080106095
2008-05-08

Heater core connector tube

#153
20080054635
2008-03-06

High pressure fluid connector and seal

#154
20080036209
2008-02-14

Assembly including a spring-energized polymeric seal

#155
20080017821
2008-01-24

Adaptive pressure manifold

#156
20080012296
2008-01-17

Exhaust system slip joint

#157
20080001399
2008-01-03

Connection structure for resin pipe

#158
20070205598
2007-09-06

Heat exchanger pipe joint

#159
20070095414
2007-05-03

Working fluid feeding device

#160
20070009321
2007-01-11

Passage connecting structure and master cylinder using the same

#161
20060272321
2006-12-07

Slip joint exhaust manifolds

#162
20060232066
2006-10-19

Connection device

#163
20060192349
2006-08-31

Permanently lubricated film gasket and method of manufacture

#164
20060192348
2006-08-31

Gasket with locking lugs

#165
20060076775
2006-04-13

Pipe for lining passages

#166
20060006610
2006-01-12

Gasket for duct, pipe and tube joints

#167
20050212220
2005-09-29

Gasket for duct, pipe and tube joints

#168
20050156388
2005-07-21

Seal Structure

#169
20050046187
2005-03-03

Pipe joint for refrigeration cycle having combination of O-ring and backup ring

#170
20050023827
2005-02-03

Conduit coupling assembly