ClassID:

153005

F16L23/032 - CPC Classification

Classification description:

Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges

Recent Application in this class:
#1
20260078849
2026-03-19

JOINT STRUCTURE AND FLUID CONTROL DEVICE

#2
20260042267
2026-02-12

COMPOSITE CONNECTORS AND METHODS OF MANUFACTURING THE SAME

#3
20260002615
2026-01-01

PIPE CONNECTION DEVICE

#4
20250290630
2025-09-18

JOINT SEAL SYSTEM & METHOD

#5
20250257826
2025-08-14

FLANGED CLAMP UNION AND METHOD OF ASSEMBLY

#6
20250251064
2025-08-07

NUT TYPE ROTATABLE FLANGE STRUCTURE AND COMBINATION TOOL

#7
20250216073
2025-07-03

Joint Seal System & Method

#8
20250188764
2025-06-12

FLANGE ELEMENT

#9
20250155059
2025-05-15

FIXATION MECHANISM FOR HIGH TEMPERATURE SEALS OF TUBES

#10
20250067374
2025-02-27

CONNECTING FLANGE FOR CONNECTING TWO TUBULAR COMPONENTS TO EACH OTHER

#11
20250043892
2025-02-06

CONNECTION ARRANGEMENT DEVICE AND MEHTOD FOR FLUID LINE

#12
20240401701
2024-12-05

COMPRESSION LIMITING COUPLING PILOT FOR COMPOSITE SEAL

#13
20240309973
2024-09-19

FLUID COUPLER

#14
20240288163
2024-08-29

Joint Seal System & Method

#15
20240255238
2024-08-01

CONNECTOR AND HEAT EXCHANGER HAVING SAME

#16
20240229991
2024-07-11

NUT TYPE ROTATABLE FLANGE STRUCTURE AND COMBINATION TOOL

#17
20240167592
2024-05-23

Adapter Coupling

#18
20240093628
2024-03-21

EXHAUST GAS PIPE, AND ENGINE

#19
20240060582
2024-02-22

COMPOSITE CONNECTORS AND METHODS OF MANUFACTURING THE SAME

#20
20240052958
2024-02-15

APPARATUS WITH INTERLOCKING SURFACES TO SECURE ANGLE OF HYDRAULIC COUPLING CONNECTIONS

#21
20240018797
2024-01-18

SET OF FLANGES; AN INSTALLATION COMPRISING A SET OF FLANGES AND A METHOD OF PROVIDING THE INSTALLATION

#22
20230349585
2023-11-02

ELLIPTICAL DUCTING SYSTEMS AND REINFORCED CONNECTORS

#23
20230341051
2023-10-26

Coupling structure

#24
20230194084
2023-06-22

Joint seal system and method

#25
20230175619
2023-06-08

Connection system for a cryogenic tank

#26
20230160505
2023-05-25

COMPOSITE CONNECTORS AND METHODS OF MANUFACTURING THE SAME

#27
20230129427
2023-04-27

Pipe connection

#28
20230088516
2023-03-23

Stabilizing face ring joint flange and assembly thereof

#29
20230051711
2023-02-16

Pipe connection with split swivel ring

#30
20220316640
2022-10-06

Pipe having a flange

#31
20220268108
2022-08-25

SYSTEM FOR CONNECTING PIPING SYSTEMS FOR HYDRAULIC FRACTURING OF OIL AND GAS WELLS

#32
20220221092
2022-07-14

Threaded flange for a flexible tank

#33
20220221084
2022-07-14

Heat exchange pipe joint and battery pack

#34
20220178537
2022-06-09

Joint Seal System & Method

#35
20220128181
2022-04-28

System and a method for providing a sterile fluid connection between a first fluid channel and a second fluid channel

#36
20220120365
2022-04-21

FLANGE SEAL

#37
20220090713
2022-03-24

Flanged joint and method of fluidly connecting two components

#38
20220042626
2022-02-10

Pipeline connection device and pipeline adapting assembly

#39
20220003344
2022-01-06

Flange

#40
20210348704
2021-11-11

Apparatus for hydrostatic testing using power from and ROV

#41
20210346931
2021-11-11

Method of manufacturing connection member

#42
20210332920
2021-10-28

Multi-petaled oblique-plane hoop and pipe connector thereof

#43
20210285578
2021-09-16

Single Piece Rotating Spool for High-Pressure Lines

#44
20210239246
2021-08-05

Flange connection set

#45
20210207644
2021-07-08

Double wedge locking mechanism and method

#46
20210199217
2021-07-01

Dual-line side bridge for fracturing manifold system

#47
20210190224
2021-06-24

Plastic valve for preventing distortion

#48
20210164595
2021-06-03

Methods for decreasing stress in flange bolting

#49
20210033227
2021-02-04

Joint assembly, v-clamp, and end flanges

#50
20200332679
2020-10-22

Turbocharger flange

#51
20200318762
2020-10-08

Flange connection assembly and the assembly / disassembly method thereof, piping connection device and chiller unit

#52
20200278061
2020-09-03

Pipe joint and method of assembling pipe joint

#53
20200271254
2020-08-27

THERMOPLASTIC FLANGE WITH OVERMOLDED METAL PLATE

#54
20200256489
2020-08-13

Irrigation pipe assembly

#55
20200240566
2020-07-30

Fitting for preventing distortion

#56
20200232587
2020-07-23

Formed pipe end-section of a pipeline and pipe screw-connection

#57
20200232062
2020-07-23

ROLLED FERRITIC STAINLESS STEEL SHEET, METHOD FOR PRODUCING THE SAME, AND FLANGE PART

#58
20200191679
2020-06-18

ANTI-LEAK FLANGED JOINT STRUCTURE WITH DETECTION AND EARLY WARNING FUNCTION, AND PIPE JOINT LEAKAGE PREVENTION DEVICE USING THE SAME

#59
20200123932
2020-04-23

Shear wave resistant flange assembly

#60
20200096143
2020-03-26

Compact raised face flange

#61
20200049284
2020-02-13

COMPOSITE CONNECTORS AND METHODS OF MANUFACTURING THE SAME

#62
20200049283
2020-02-13

Composite connectors and methods of manufacturing the same

#63
20200049282
2020-02-13

Composite connectors and methods of manufacturing the same

#64
20200047592
2020-02-13

Thermal cycle resistant fastening system for refrigerant fitting

#65
20200003343
2020-01-02

High pressure composite pipe joining system

#66
20200002793
2020-01-02

Ferritic stainless steel sheet, hot coil, and automobile exhaust flange member

#67
20200001683
2020-01-02

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

#68
20190331268
2019-10-31

Joint structure

#69
20190293179
2019-09-26

SEAL STRUCTURE, SEALING METHOD, AND COUPLING EQUIPPED WITH SAID SEAL STRUCTURE

#70
20190292946
2019-09-26

Nested flange joint

#71
20190271420
2019-09-05

Adapter coupling

#72
20190249812
2019-08-15

Pipe fittings having integrated thermoplastic with improved melt-flow characteristics for cured in place pipe systems and associated method of use

#73
20190232355
2019-08-01

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

#74
20190219212
2019-07-18

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

#75
20190190105
2019-06-20

Waveguide tube connection device and clamp for waveguide tube connection

#76
20190170350
2019-06-06

Joint seal system and method

#77
20190170287
2019-06-06

Joint assembly for fluid carrying pipes

#78
20190170286
2019-06-06

Joint assembly for fluid carrying pipes

#79
20190154177
2019-05-23

Ti-containing ferritic stainless steel sheet for exhaust pipe flange member, production method, and flange member

#80
20190137017
2019-05-09

Pipe joint, separation prevention member, and method of connecting pipes

#81
20190128454
2019-05-02

Adjustable frac flow line

#82
20190128452
2019-05-02

Break-away traffic flange for a hydrant

#83
20190113161
2019-04-18

Flange assembly

#84
20190093780
2019-03-28

Plastic valve for preventing distortion

#85
20190063607
2019-02-28

Metal seal fitting for in-tank transmission oil cooler

#86
20180363816
2018-12-20

Method for producing a flange blank and for producing a flange

#87
20180345168
2018-12-06

Self-draining mount head for transmitter

#88
20180335157
2018-11-22

SAFETY HEAD APPARATUS

#89
20180328524
2018-11-15

Pressure pipe connection method and method for constructing pressure pipe with flange

#90
20180328257
2018-11-15

JOINT ASSEMBLY

#91
20180292033
2018-10-11

Sealing material and joint

#92
20180259101
2018-09-13

Pipe connection device and manufacturing method thereof

#93
20180187662
2018-07-05

Frac manifold and systems

#94
20180187537
2018-07-05

Flowline junction fitting with long-sweep bore

#95
20180156362
2018-06-07

Coupling member, fluid-device connecting jig, and fluid-device connecting structure

#96
20180142816
2018-05-24

Pair of connectors

#97
20180045347
2018-02-15

Gasket for use in sealing flanges together

#98
20180010719
2018-01-11

Plastic seal fitting

#99
20180003328
2018-01-04

End connector with offset cross-hole

#100
20170356577
2017-12-14

Joint Restraint

#101
20170356570
2017-12-14

Load bearing clamp for transmitting loads to a shaft

#102
20170314715
2017-11-02

DISSIMILAR PIPING JOINT AT HIGH TEMPERATURE, HIGH PRESSURE TRANSIENT AND UNDER CYCLIC LOADING

#103
20170284578
2017-10-05

System for coupling two tubes

#104
20170234467
2017-08-17

Hybrid flange

#105
20170184226
2017-06-29

Adapter coupling

#106
20170144777
2017-05-25

Ground connect duct for environmental control systems

#107
20170130880
2017-05-11

Face-to-face positive restrained rotating pipe flange

#108
20170107593
2017-04-20

Rolled ferritic stainless steel sheet, method for producing the same, and flange part

#109
20170101829
2017-04-13

Coupling apparatus for connecting two drill pipe sections and a method of using same

#110
20170097113
2017-04-06

Leakproof Connecting device for a fluid circuit

#111
20170067585
2017-03-09

Coupling assembly

#112
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

#113
20160377198
2016-12-29

Underwater pipe assembly and method of assembling underwater pipes

#114
20160334105
2016-11-17

Self-centering bolted fluid fitting

#115
20160312935
2016-10-27

Pipe coupling structure

#116
20160312934
2016-10-27

Compact pipe flange gasket

#117
20160290538
2016-10-06

Pipe coupling device and construction method therefor

#118
20160290537
2016-10-06

Vacuum sealing flange

#119
20160138458
2016-05-19

Flange plate

#120
20160116092
2016-04-28

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

#121
20160066521
2016-03-10

Irrigation pipe and method of fabrication

#122
20160066520
2016-03-10

Irrigation pipe and method of fabrication

#123
20150376973
2015-12-31

Tunable floating seal insert

#124
20150362107
2015-12-17

Flange fixing structure

#125
20150340811
2015-11-26

Electrical connector and system for electrical outlet

#126
20150338002
2015-11-26

PIPE CONNECTOR AND SYSTEM THEREFOR

#127
20150335179
2015-11-26

Hanging device and method therefor

#128
20150323183
2015-11-12

Case with integral heat shielding

#129
20150300544
2015-10-22

Piping connection device and heat pump cycle device having same

#130
20150292656
2015-10-15

Pressing ring, joint, and valve

#131
20150285413
2015-10-08

Exhaust system having segmented service flange

#132
20150226126
2015-08-13

Exhaust gas turbocharger coupling assembly

#133
20150211647
2015-07-30

Safety head

#134
20150176731
2015-06-25

Flanged fittings for pipeline

#135
20150123396
2015-05-07

Master flange assembly

#136
20150115606
2015-04-30

Vacuum pump

#137
20150000779
2015-01-01

End closure device

#138
20140261840
2014-09-18

Manufacture method of tubular member and tubular member manufactured by the same

#139
20140217681
2014-08-07

EZ-seal gasket for joining fluid pathways

#140
20140166144
2014-06-19

Composite ducts and methods

#141
20140042743
2014-02-13

TANK OR BULKHEAD CONNECTION WITHOUT WELDING OR REQUIRING INTERNAL TANK ACCESS

#142
20130270818
2013-10-17

JOINT FLANGE

#143
20130127157
2013-05-23

Coupling

#144
20120306198
2012-12-06

MECHANICAL-HYDRAULIC SUBJECTION SECTIONED COUPLER, TO SEAL WELLS FOR OIL OR GAS

#145
20120288811
2012-11-15

Rotary kiln end sealing assembly

#146
20120161439
2012-06-28

HYDRAULIC FLANGE CONNECTION

#147
20120119487
2012-05-17

PIPE CONNECTOR

#148
20120067441
2012-03-22

Irrigation pipe assembly

#149
20120043755
2012-02-23

System and Method for Relieving Stress at Pipe Connections

#150
20110307105
2011-12-15

Custom clamps for deep-sea oil containment

#151
20110304138
2011-12-15

Extended flange plumbing for deep-sea oil containment

#152
20110272607
2011-11-10

Tunable floating seal insert

#153
20110254267
2011-10-20

Composite flange, duct incorporating a flange and method of making a flange

#154
20110233927
2011-09-29

Coupling Element

#155
20110210545
2011-09-01

Metal seal fitting constraints

#156
20110204626
2011-08-25

Eduction tube assembly

#157
20110133451
2011-06-09

Flange assembly with improved serviceability

#158
20110121567
2011-05-26

Split joint restraint device with dual pipe size capability

#159
20110037251
2011-02-17

Wellhead pipe coupling

#160
20110023472
2011-02-03

Exhaust gas treatment device

#161
20100295298
2010-11-25

DEVICE FOR PRE-STRESSED SEALED CONNECTION WITH FLANGES

#162
20100283240
2010-11-11

EXTERNALLY REPLACEABLE VACUUM CHAMBER TO CHAMBER FLANGE SEAL

#163
20100253451
2010-10-07

Electrolytic corrosion prevention structure and waveguide connection structure

#164
20100244443
2010-09-30

Hot bolting clamp

#165
20100237614
2010-09-23

Pipe connection having a reverse hub

#166
20100237613
2010-09-23

Pipe Connection Having Staggered Bolt Configuration

#167
20100230963
2010-09-16

Retaining ring for pressure vessel connection

#168
20100187812
2010-07-29

Two-piece flange adapter

#169
20100155169
2010-06-24

Flanged joint

#170
20100140921
2010-06-10

Connector for fluid pressure devices

#171
20100090462
2010-04-15

Universal attachment flange

#172
20100078933
2010-04-01

Clamping flange arrangement for connecting an exhaust system to an internal combustion engine

#173
20100032941
2010-02-11

Assembly for Joining Metallic Pipes Provided with Inner Plastic Liner

#174
20090272453
2009-11-05

Transport Pipe for Thick Materials

#175
20090115188
2009-05-07

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

#176
20090086571
2009-04-02

Apparatus for the production of a reactive flowable mixture

#177
20090085350
2009-04-02

Sealed flange joint for high pressure and high purity gas channels

#178
20090052981
2009-02-26

Flange assembly

#179
20080179880
2008-07-31

Variable-angle tubular connection

#180
20080174114
2008-07-24

Angle Plate or Corner for Securing Flanges

#181
20080160314
2008-07-03

Tethered corners and flanges and articles comprising the same

#182
20080093847
2008-04-24

Pipe Joint

#183
20080048445
2008-02-28

Integral universal coupling assembly for a fluid distribution system and method of using the same

#184
20080007065
2008-01-10

Flange

#185
20070222159
2007-09-27

Composite seal and coupling

#186
20070194570
2007-08-23

Universal attachment flange

#187
20070178764
2007-08-02

HIGH-PRESSURE FLUID-FLOW SYSTEM HAVING COMPACT TWO-BOLT AND FOUR-BOLT FLANGED AND MODULAR CONNECTORS

#188
20070152446
2007-07-05

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

#189
20070125515
2007-06-07

Vacuum housing

#190
20070102926
2007-05-10

Flanged connection device

#191
20070096468
2007-05-03

Flange

#192
20070086854
2007-04-19

Methods and apparatus for assembling composite structures

#193
20070007767
2007-01-11

Systems and methods for coupling conduits of dissimilar materials which are subject to large temperature variations

#194
20060284419
2006-12-21

Fitting for metal pipe and tubing

#195
20060244261
2006-11-02

Hydraulic flange connection

#196
20060226653
2006-10-12

Flange assembly

#197
20060082142
2006-04-20

Exhaust system

#198
20060061102
2006-03-23

Jacketed pipe flange

#199
20060057888
2006-03-16

High current water connection coupling block

#200
20050268602
2005-12-08

Arrangement for securely mounting an exhaust manifold to the cylinder head of an internal combustion engine

#201
20050258642
2005-11-24

Exhaust pipe joint and seal

#202
20050257982
2005-11-24

Interlocking flange for an exhaust system

#203
20050247294
2005-11-10

Connection system for exhaust gas recirculation (EGR)

#204
20050129457
2005-06-16

Flanged member and a flange joint comprising flange members

#205
20050052026
2005-03-10

Flange

#206
20050023828
2005-02-03

Pipe joint for refrigeration cycle

#207
18768901
2025-10-21

Pipe connection device

#208
17878212
2023-11-21

Systems and methods for mounting an aftertreament system component

#209
16027049
2020-05-26

Flowline junction fittings for frac systems

#210
15370804
2017-03-21

Sleeve tool and method of use

#211
11644331
2015-04-21

Cotton variety 98M-2983