ClassID:

152997

F16L23/003 - CPC Classification

Classification description:

Flanged joints Auxiliary devices

Recent Application in this class:
#1
20250369542
2025-12-04

SYSTEMS, DEVICES, AND METHODS FOR ENHANCING DISTRIBUTION OF FASTENER FORCE FOR CONNECTION OF FLANGED PIPES

#2
20250347368
2025-11-13

NON ROTATING SPACER FOR GAS TURBINE ENGINE

#3
20250283562
2025-09-11

JOINT STRUCTURE

#4
20250277550
2025-09-04

TOOL AND METHOD FOR ONE-HANDED MANIPULATION AND PLACEMENT OF CONDUIT-JOINING SLEEVE

#5
20250271087
2025-08-28

CONDUIT COUPLER FOR COUPLING STUB END CONDUITS

#6
20250271086
2025-08-28

Two Piece Large Pipe Quick Connect

#7
20250257825
2025-08-14

MECHANICAL JOINT RESTRAINT WITH WEDGE ASSEMBLIES INCLUDING COLLAR BOLTS

#8
20250198552
2025-06-19

PROFILED CLAMP

#9
20250198551
2025-06-19

Remote Controlled Interlocking Hygienic Clamp

#10
20250155058
2025-05-15

ASSEMBLY FOR ALIGNING

#11
20250109816
2025-04-03

DEVICE FOR LEAK CONTAINMENT

#12
20250109812
2025-04-03

Two piece clamp having toothed engagement

#13
20240410504
2024-12-12

QUICK INSTALLATION PIPE COUPLING WITH SUPPORTING BARRIER RING

#14
20240255079
2024-08-01

Conduit coupling devices, systems for coupling conduits together, and methods of coupling conduits

#15
20240229990
2024-07-11

NUT GUIDE

#16
20240229989
2024-07-11

SEALING RING POSITIONING DEVICE

#17
20240159335
2024-05-16

ADAPTIVE TILE COUPLING

#18
20240133497
2024-04-25

NUT GUIDE

#19
20240133496
2024-04-25

SEALING RING POSITIONING DEVICE

#20
20240052959
2024-02-15

Profile Clamp, Flange Connection, and Turbocharger Comprising Same

#21
20240052958
2024-02-15

APPARATUS WITH INTERLOCKING SURFACES TO SECURE ANGLE OF HYDRAULIC COUPLING CONNECTIONS

#22
20240027003
2024-01-25

METHOD FOR PRODUCING A CONNECTION, AND CONNECTION DEVICE

#23
20230417348
2023-12-28

Grooved pipe coupling with improved sealing

#24
20230400141
2023-12-14

System including a thermo-structural spacer for air inlet and compressor interface

#25
20230392725
2023-12-07

METHOD OF ASSEMBLING A CLAMP TO A FLEXIBLE HOSE FOR A VEHICLE, AND A CLAMPING ARRANGEMENT

#26
20230228352
2023-07-20

Connectors

#27
20230167931
2023-06-01

CONNECTION METHOD AND AXIAL ALIGNMENT MECHANISM

#28
20230095353
2023-03-30

Fluid conduit connector system

#29
20220403961
2022-12-22

Conduit coupler for coupling stub end conduits

#30
20220325915
2022-10-13

DUCT CLAMP ASSEMBLY

#31
20220282811
2022-09-08

PIVOT CLIP

#32
20220275890
2022-09-01

Coupling segment with monolithic pivot

#33
20220275889
2022-09-01

Method of coupling two pipes

#34
20220235888
2022-07-28

Device for pre-positioning a profile clamp, and connection system

#35
20220196453
2022-06-23

Hygienic tank seal

#36
20220163146
2022-05-26

Flange for a hose

#37
20220162109
2022-05-26

Feeding system and glass production apparatus having same

#38
20220154858
2022-05-19

Hot bolt clamp

#39
20220082191
2022-03-17

Sealant injection nut

#40
20220042629
2022-02-10

CLAMPING APPARATUS AND METHOD OF USE THEREOF

#41
20220010898
2022-01-13

Fluid conduit connector system

#42
20220010897
2022-01-13

Fluid conduit connector system

#43
20220003343
2022-01-06

Flange leveling system for supporting and aligning a flange and related method

#44
20210388923
2021-12-16

Sealing device for flanges

#45
20210356060
2021-11-18

Clamping system comprising a collar and a pre-mounting clip

#46
20210341087
2021-11-04

System and method for a connector assembly in an aircraft

#47
20210310592
2021-10-07

Clamping system for connecting pipes, comprising a collar and a washer carrying support lugs

#48
20210310591
2021-10-07

Conduit End Support And Plug Apparatus

#49
20210247007
2021-08-12

Grooved pipe coupling with improved sealing

#50
20210247006
2021-08-12

Profiled clamp

#51
20210239244
2021-08-05

Pipe flange alignment and leveling pins

#52
20210190245
2021-06-24

ULTRA-COMPACT TUBE OR PIPE COUPLING FOR VACUUM, LIQUID OR GAS

#53
20210172558
2021-06-10

Directed jet impulse pig launching system and method of its use

#54
20210080037
2021-03-18

Telescoping meter flange

#55
20210071787
2021-03-11

Flange grounding device

#56
20210018121
2021-01-21

Clamping collar with retaining fingers

#57
20200386262
2020-12-10

Fixing device for fasteners having a polygonal head

#58
20200376638
2020-12-03

V-CLAMP TOOL APPARATUS AND METHOD OF USE

#59
20200332934
2020-10-22

Quick installation coupling

#60
20200309293
2020-10-01

Twist Lock Coupling System and Method

#61
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

#62
20200284382
2020-09-10

Profiled clamp

#63
20200263815
2020-08-20

Conduit locking system for an appliance

#64
20200200312
2020-06-25

Port assembly for permitting material transfer between contained systems

#65
20200141525
2020-05-07

Clamping collar with foldable retaining finger tabs

#66
20200124212
2020-04-23

Universal vacuum fitting clamp with torque control

#67
20200103066
2020-04-02

Device for operation on a pressurized bolt connection between a first flanged tubular and a second flanged tubular

#68
20200041053
2020-02-06

HOUSING ASSEMBLY FOR A TURBOCHARGER AND METHOD FOR FIXING MULTIPLE CONNECTIONS TO A HOUSING

#69
20200025317
2020-01-23

Assembling flanged couplings

#70
20200018431
2020-01-16

Flange fitting for tubular structures

#71
20190390590
2019-12-26

Exhaust clamp and method

#72
20190368506
2019-12-05

Turbocharger for an internal combustion engine

#73
20190360590
2019-11-28

Mounting device for a flat seal of a flange connection

#74
20190331270
2019-10-31

Clamping system with foldable tabs for connecting tubes together

#75
20190293109
2019-09-26

LOCKOUT DEVICE AND A METHOD FOR ITS USE

#76
20190277434
2019-09-12

Structural connection between in-line pipes and tubes

#77
20190271422
2019-09-05

Hinged lid assembly for a flanged riser and methods of use thereof

#78
20190249806
2019-08-15

Method of modernizing a fluid transport flexible conduit line, end fittings joint and interconnection module

#79
20190234546
2019-08-01

Locking quick connect spray shield with visual indicator

#80
20190219212
2019-07-18

Blind flange and method of installing same for isolating hazardous energy within a facility

#81
20190203860
2019-07-04

Method for joining pipe pieces and centering device for the joining process

#82
20190193216
2019-06-27

Bolt tensioning assembly and method for tensioning of a bolt

#83
20190186887
2019-06-20

Pipe flange identification tool and system

#84
20190186662
2019-06-20

Annular sleeves for fluid-handling components

#85
20190113161
2019-04-18

Flange assembly

#86
20190107235
2019-04-11

Camlock

#87
20190093802
2019-03-28

Pre-positioner for a profiled clamp and connecting arrangement having such a pre-positioner

#88
20190086004
2019-03-21

Arrangement for fluid-sealing connection of lines

#89
20190078711
2019-03-14

Telescoping meter flange

#90
20190070717
2019-03-07

Hydraulic Adapter for Installing Connecting Flange of Oil Pipe

#91
20190063663
2019-02-28

Directed jet impulse pig launching system and method of its use

#92
20190063646
2019-02-28

CONNECTING CLAMP

#93
20190017638
2019-01-17

Balking tab to control duct coupling clocking

#94
20190001473
2019-01-03

FLANGE ALIGNMENT PIN

#95
20180363645
2018-12-20

Valve adapter connection assembly

#96
20180356018
2018-12-13

CONNECTOR WITH ACTUATABLE REACTION MEMBERS TO RESIST BENDING LOADS

#97
20180356017
2018-12-13

Pipe connector and a pipe connector unit

#98
20180340638
2018-11-29

CLAMPS FOR FLUID CONDUITS

#99
20180340443
2018-11-29

Steam turbine and method of assembling and disassembling the same

#100
20180313482
2018-11-01

Magnetic connecting member, in particular for pipe flanges

#101
20180299048
2018-10-18

Self opening clamp

#102
20180223692
2018-08-09

Clamp

#103
20180209568
2018-07-26

Universal coupling

#104
20180156368
2018-06-07

Clamp having a clamp band and a pre-positioner

#105
20180119854
2018-05-03

Method and system for installing a gasket

#106
20180058615
2018-03-01

Joint structure and robot

#107
20180045149
2018-02-15

Clamped joint device

#108
20180017185
2018-01-18

Joining device, system and method for joining two facing and aligned pipeline sections

#109
20170363233
2017-12-21

Method and apparatus for clamping flanges and other connections

#110
20170307116
2017-10-26

Pipe coupling

#111
20170284578
2017-10-05

System for coupling two tubes

#112
20170254454
2017-09-07

Clamping system comprising a collar and individual pre-attachment clips

#113
20170241574
2017-08-24

Polymer-lined pipes and fittings with replaceable components

#114
20170234462
2017-08-17

Dissimilar metal connection and method for operating such a dissimilar metal connection

#115
20170227152
2017-08-10

Flange joint assembly for use in a gas turbine engine

#116
20170205018
2017-07-20

C flange bracket

#117
20170204973
2017-07-20

Metallic flat gasket

#118
20170184231
2017-06-29

Method and apparatus for clamping flanges and other connections

#119
20170167647
2017-06-15

Clean air duct and retaining clip and assembly thereof

#120
20170165809
2017-06-15

Release of subsea clamp connector by waterjet cutting of drive screw

#121
20170159856
2017-06-08

Refueling adapter

#122
20170146166
2017-05-25

Connecting tubular members

#123
20170130880
2017-05-11

Face-to-face positive restrained rotating pipe flange

#124
20170130879
2017-05-11

Pipe Coupling Having Arcuate Snap Couplers With Cylindrical Base Body

#125
20170082219
2017-03-23

Polymer-lined pipes and fittings with replaceable components

#126
20170074437
2017-03-16

Sealing device for flanges

#127
20170074434
2017-03-16

Connector with actuatable reaction members to resist bending loads

#128
20170072548
2017-03-16

Adapter Assembly for Use in Aligning Pipe Flanges

#129
20170059441
2017-03-02

System and method for detection of hydrocarbon leakage from an underwater pipeline in a body of water and hydrocarbon extraction unit

#130
20170045166
2017-02-16

FLOW THROUGH FLANGE FOR A SHIP-TO-SHIP CARGO TRANSFER FLOW LINE

#131
20170030501
2017-02-02

Dismantling joint

#132
20170002961
2017-01-05

METHOD AND APPARATUS FOR ASSEMBLY OF FLANGED OBJECTS

#133
20160363245
2016-12-15

Flange alignment tool

#134
20160339573
2016-11-24

EGR pipe repair kit

#135
20160338187
2016-11-17

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

#136
20160334105
2016-11-17

Self-centering bolted fluid fitting

#137
20160334036
2016-11-17

FLANGE SEAL

#138
20160258562
2016-09-08

Riser connector assembly

#139
20160245440
2016-08-25

Tube seal assembly

#140
20160243475
2016-08-25

Fluid flow accessory

#141
20160230916
2016-08-11

Devices and assembly for protecting a flange

#142
20160215917
2016-07-28

Conductive elastomeric flexible coupling

#143
20160213962
2016-07-28

Duct systems including shield and flange support

#144
20160208968
2016-07-21

Locking quick connect spray shield with visual indicator

#145
20160208967
2016-07-21

Locking quick connect spray shield with visual indicator

#146
20160190655
2016-06-30

Vibration resistant valve assembly for lead acid batteries

#147
20160169427
2016-06-16

FLANGE JOINT CONTAINMENT DEVICE

#148
20160153597
2016-06-02

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

#149
20160153594
2016-06-02

Air grommet connector

#150
20160131288
2016-05-12

Method and apparatus for clamping flanges and other connections

#151
20160123511
2016-05-05

DUCT ASSEMBLY WITH A CONNECTOR

#152
20160123510
2016-05-05

Valve adapter connection assembly

#153
20160116092
2016-04-28

Method for forming a pipe joint, pipe joint and flange part arrangement

#154
20160084416
2016-03-24

Breakaway coupling

#155
20160084415
2016-03-24

Pipe/fitting with modified crimp allowing for both pipe and flexible duct installation

#156
20160061372
2016-03-03

Heated flow conditioning systems and methods of using same

#157
20150369408
2015-12-24

Flange fitting

#158
20150362110
2015-12-17

Breakaway coupling

#159
20150362107
2015-12-17

Flange fixing structure

#160
20150362106
2015-12-17

Coupling Retainer, Retainer Method, and Stabilized Coupling

#161
20150344016
2015-12-03

Holding assembly

#162
20150316190
2015-11-05

Manifold assembly for dual-walled pipe

#163
20150316186
2015-11-05

Assembly for coupling a pair of double-walled tubes

#164
20150308592
2015-10-29

Connecting apparatus for creating a connection between a measuring instrument/valve block and a pipeline

#165
20150300544
2015-10-22

Piping connection device and heat pump cycle device having same

#166
20150252926
2015-09-10

Separation preventing device of fluid pipe, and pipe joint

#167
20150252925
2015-09-10

Separation preventing device of fluid pipe, and pipe joint

#168
20150226352
2015-08-13

Pipe clamp provided with a tension gauge and use of a tension gauge on a pipe clamp

#169
20150219258
2015-08-06

Pressure vessel penetrator isolation device

#170
20150214556
2015-07-30

System for attaching a thermal battery to a power section of an underwater craft

#171
20150147152
2015-05-28

Pipe connection guide arrangement

#172
20150130139
2015-05-14

Apparatus and methods for insertion of gaskets

#173
20150013139
2015-01-15

Spacer

#174
20150000091
2015-01-01

Pipe aligning tool

#175
20150000020
2015-01-01

Wax free systems with springs for new and existing toilets

#176
20140374446
2014-12-25

FIXING ELEMENT AND DISPENSER COMPRISING SUCH A BODY

#177
20140338773
2014-11-20

Clean air duct and retaining clip and assembly thereof

#178
20140333062
2014-11-13

Method of making a tamper resistant coupling

#179
20140319833
2014-10-30

Double fabric faced injection molded fixture

#180
20140311583
2014-10-23

DEVICE AND A METHOD FOR DEMOUNTING A FLANGE

#181
20140239633
2014-08-28

Cut-in fitting for connecting pipe

#182
20140131991
2014-05-15

Cover for pipe connection

#183
20140101906
2014-04-17

Transverse pipe flange separator

#184
20140097611
2014-04-10

Tool for deflecting spray from flange coupling

#185
20140077493
2014-03-20

Hydraulic tube assembly for a hydraulic system

#186
20140021715
2014-01-23

Squareness Indictor for Pipe Flanges

#187
20140021714
2014-01-23

Connector assembly, male connector, and female connector

#188
20130341907
2013-12-26

TOOL FOR DRAWING A SLEEVE ONTO FLANGES AND REMOVING SAID SLEEVE FROM FLANGES, POSITIONING DEVICE, TOOL ARRANGEMENT AND METHOD

#189
20130341021
2013-12-26

Leak diverter assembly for substation transformers

#190
20130327412
2013-12-12

Pipe monitoring system and method

#191
20130221666
2013-08-29

Flange pipe coupling

#192
20130207389
2013-08-15

Clamping system for connecting together and for pre-fitting a first tube and a second tube

#193
20130189037
2013-07-25

Apparatus and method for insertion of gaskets

#194
20130187374
2013-07-25

Arrangement for connecting a pipe to a LNG tank

#195
20130147102
2013-06-13

Pipe fitting system

#196
20130086782
2013-04-11

Release Tool

#197
20130067709
2013-03-21

Pipe aligning tool

#198
20130038050
2013-02-14

Pipe flange leakage spray shield device having over-center locking mechanism

#199
20130032360
2013-02-07

Alignment of BOP stack to facilitate use of a rotating control device

#200
20120286119
2012-11-15

Apparatus and methods for flange support and alignment

#201
20120261024
2012-10-18

Protective Device for the Covering of Flanges for Pipe Construction

#202
20120234430
2012-09-20

Flange protector and lug

#203
20120217015
2012-08-30

Laser assisted riser disconnect and method of use

#204
20120193907
2012-08-02

PIPE COUPLING COVER

#205
20120161398
2012-06-28

System and method of a flange seal ring

#206
20120112451
2012-05-10

Quick release clamp arrangement

#207
20120104750
2012-05-03

LOOSE ANTI-ROTATION LOCK SLEEVE FOR PIPE/FLANGE ASSEMBLY

#208
20120103630
2012-05-03

Alignment of BOP stack to facilitate use of a rotating control device

#209
20120038145
2012-02-16

Flange lock

#210
20120007358
2012-01-12

Gasket Retention System for Flange Coupling

#211
20110272937
2011-11-10

Fluid coupling assembly

#212
20110168405
2011-07-14

Alignment of BOP stack to facilitate use of a rotating control device

#213
20110167607
2011-07-14

Apparatus and method for insertion of gaskets

#214
20110154886
2011-06-30

Flange fitting with leak sensor port

#215
20110126935
2011-06-02

Flange protector

#216
20110115144
2011-05-19

METHOD AND APPARATUS FOR APPLYING AXIAL STRESS FOR WELD TESTING

#217
20110109082
2011-05-12

Apparatus for cold joining a coupling element to a pipe

#218
20110052315
2011-03-03

Loose anti-rotation lock sleeve for pipe/flange assembly

#219
20100284738
2010-11-11

Connection devices

#220
20100270788
2010-10-28

Connecting structure of a double tube

#221
20100264347
2010-10-21

Seal retainer/line centering clips with multiple flange capability

#222
20090243231
2009-10-01

Flange gasket

#223
20090224488
2009-09-10

System and method of a flange seal ring

#224
20090166573
2009-07-02

Method of shutting off conduit and pipe conduit shutoff apparatus

#225
20090127848
2009-05-21

Flange fitting with leak sensor port

#226
20090087248
2009-04-02

Apparatus and method for separating flanges

#227
20090021004
2009-01-22

Tube joint and component arrangement with tube joint

#228
20080136165
2008-06-12

Apparatus for Preventing Pipe Flanges from Accidental Closures

#229
20080121044
2008-05-29

Method and apparatus for applying axial stress for weld testing

#230
20080100060
2008-05-01

Pipe joint

#231
20080072989
2008-03-27

Squeeze resistant flange cover and method of making same

#232
20080012333
2008-01-17

Keyed coupling assembly and kit

#233
20080010801
2008-01-17

METHOD FOR SEPARATING FLANGES

#234
20070256505
2007-11-08

Meter connection spreading tool

#235
20070248202
2007-10-25

Weld testing apparatus and method for nozzles

#236
20070246676
2007-10-25

Seal retainer/longitudinal centering clips with multiple flange capability

#237
20070199190
2007-08-30

Method for cold joining a coupling element to a pipe

#238
20070052235
2007-03-08

Recreation vehicle waste pipe sealing unit

#239
20060220383
2006-10-05

STEAMOUT EFFLUENT CATCHMENT BLIND FOR TANKS AND PRESSURE TANKS

#240
20060049635
2006-03-09

Flange adapter

#241
20050005984
2005-01-13

Mechanically removable hygienic end cap

#242
19043821
2026-01-27

Heat resistant joining line seal system

#243
17535890
2023-05-09

Steam deflector shield

#244
17092283
2023-01-31

Apparatus for the alignment of pipes

#245
15599012
2019-03-12

Lockout device

#246
15050764
2017-03-28

Method and apparatus for removing, repairing, refurbishing, replacing, and/or installing valve between two fixed spool pieces