ClassID:

152926

F16L15/04 - CPC Classification

Classification description:

Screw-threaded joints ; Forms of screw-threads for such joints with additional sealings

Recent Application in this class:
#1
20260022787
2026-01-22

THREADED COUPLING WITH GAS TIGHT SEALS AND INTERLOCKING DOVETAIL THREADS

#2
20260016105
2026-01-15

RISER AND INGRESS DEVICE ASSEMBLY FOR SEPTIC TANK SYSTEM

#3
20250314335
2025-10-09

OIL-WELL METAL PIPE

#4
20250230883
2025-07-17

THROUGH-WALL PIPING CONNECTOR

#5
20250214417
2025-07-03

EQUIPMENT FIXER

#6
20250128861
2025-04-24

Dispenser for a cord for sealing a threaded pipework

#7
20250109810
2025-04-03

SEALED CONNECTION ASSEMBLY

#8
20250067127
2025-02-27

INNER BORE COUPLING ASSEMBLY

#9
20250052328
2025-02-13

Oil Drain Apparatus

#10
20250027586
2025-01-23

MODULAR SEALED CONDUIT JOINING SYSTEMS AND METHODS

#11
20250003533
2025-01-02

SOLID LUBRICANT FOR ZN-NI COATING ON A THREADED TUBULAR ELEMENT

#12
20240418302
2024-12-19

CONVEX MALE FITTING AND SYSTEMS

#13
20240384195
2024-11-21

AGENT FOR FORMING SOLID LUBRICATING COATING FILM, OIL COUNTRY TUBULAR GOODS, AND THREADED JOINT FOR OIL COUNTRY TUBULAR GOODS

#14
20240263725
2024-08-08

REPLACEABLE FLUID LINE TERMINATION FITTINGS

#15
20240120722
2024-04-11

Line feedthrough

#16
20240003469
2024-01-04

Tube fitting

#17
20240003468
2024-01-04

TUBE FITTING

#18
20230408361
2023-12-21

PIPE PRESSURE TESTING METHOD AND APPARATUS

#19
20230383875
2023-11-30

Threaded joint of pipe and method for connecting same

#20
20230313620
2023-10-05

Threaded connection for pipe

#21
20230312946
2023-10-05

Oil-well metal pipe, and method for producing oil-well metal pipe

#22
20230279973
2023-09-07

COUPLING FOR PIPES, FLUID FLOW SYSTEM INCLUDING THE COUPLING, AND METHOD OF REDUCING CONTAMINATION OF WATER

#23
20230272300
2023-08-31

Pipe sealing compound/adjunct lubricant

#24
20230250699
2023-08-10

Threaded joint for production tubing

#25
20230220254
2023-07-13

SEALANT MATERIAL

#26
20230167379
2023-06-01

Pipe sealing compound/adjunct lubricant

#27
20230151910
2023-05-18

CONNECTING ASSEMBLY FOR A GAS COOKING APPLIANCE

#28
20230146768
2023-05-11

Threaded connection for steel pipe

#29
20230113653
2023-04-13

Coupling seal for pipe liners

#30
20230071084
2023-03-09

Sealing device between two conduits, in particular for transporting a fluid comprising a corrosive and/or abrasive component

#31
20230021939
2023-01-26

Pipe pressure testing method and apparatus

#32
20220364420
2022-11-17

COUPLING AND METHOD OF JOINING A.P.I. STANDARD PIPES FOR THE EXTRACTION OF CRUDE OILS

#33
20220316634
2022-10-06

RISER AND INGRESS DEVICE ASSEMBLY FOR SEPTIC TANK SYSTEM

#34
20220316630
2022-10-06

Fitting and Gasket

#35
20220316626
2022-10-06

Vent Pipe Seal Fitting

#36
20220235886
2022-07-28

CONNECTOR CAPABLE OF STABLY CONNECTING FLUID PIPELINE

#37
20220220813
2022-07-14

Threaded connection for steel pipe

#38
20220196190
2022-06-23

Seal ring and hose connector assembly

#39
20220196189
2022-06-23

Tube assembly, pressure exchanger and reverse osmosis system

#40
20220186854
2022-06-16

Dielectric union ball valve

#41
20220128178
2022-04-28

Threaded connection for pipes

#42
20220106841
2022-04-07

Directly connected drill pipe applicable to extreme conditions

#43
20220073784
2022-03-10

Curative Free Joint Sealant

#44
20220065372
2022-03-03

MIXED FEMALE CONNECTOR OR PORT

#45
20210372527
2021-12-02

INCREASED ROBUSTNESS OF CONTROL LINES AND TOOLS WITH EXPANDING COMPRESSION DEVICE

#46
20210341085
2021-11-04

Threaded connection for steel pipe

#47
20210332917
2021-10-28

Threaded connection for steel pipe

#48
20210317932
2021-10-14

Flow passage joint structure

#49
20210222805
2021-07-22

Fluid connector

#50
20210222500
2021-07-22

DIRECTLY CONNECTED DRILL PIPE APPLICABLE TO EXTREME CONDITIONS

#51
20210207747
2021-07-08

RE-DEPLOYABLE PIPE FITTING SYSTEMS AND METHODS

#52
20210207644
2021-07-08

Double wedge locking mechanism and method

#53
20210199232
2021-07-01

Pipe end protector

#54
20210180717
2021-06-17

Threaded type valve connector

#55
20210156204
2021-05-27

Threaded connection for steel pipes

#56
20210140570
2021-05-13

OFFSET-ALIGNMENT PIVOTABLE COUPLER FITTINGS FOR SEALABLY INTERCONNECTING HIGH-PRESSURE LINES

#57
20210070512
2021-03-11

Universal storage security implement for cannabis containers

#58
20210025523
2021-01-28

Screw joint for oil well pipe

#59
20210010624
2021-01-14

Conduit fluid coupling with anti-rotation lock

#60
20200400255
2020-12-24

Threaded connection for pipes and method for producing threaded connection for pipes

#61
20200309292
2020-10-01

System and method for auxiliary line connections

#62
20200309290
2020-10-01

Adapter for sealing boot for electrical interconnections

#63
20200300821
2020-09-24

Removable seal device for fluidic coupling

#64
20200278059
2020-09-03

CONVEX MALE FITTING AND SYSTEMS

#65
20200278057
2020-09-03

Threaded connection for steel pipe

#66
20200256754
2020-08-13

Pipe pressure testing method and apparatus

#67
20200248509
2020-08-06

Threaded connection for steel pipe

#68
20200232560
2020-07-23

Sanitary fitting connection

#69
20200224801
2020-07-16

MIXED FEMALE CONNECTOR OR PORT

#70
20200208760
2020-07-02

CONNECTION HAVING BALANCED PIN AND BOX FACE THICKNESS

#71
20200190683
2020-06-18

Threaded Connection for Pipe and Method for Producing Threaded Connection for Pipe

#72
20200166163
2020-05-28

Threaded connection for pipes or tubes and method for producing the threaded connection for pipes or tubes

#73
20200149637
2020-05-14

UNION

#74
20200132234
2020-04-30

Fitting for connecting a main pipe liner to a branch conduit

#75
20200086464
2020-03-19

Installation method and device for pipeline components

#76
20200056641
2020-02-20

Assembly method of inner ring threaded-connection component device of wind-power locking plate

#77
20200032933
2020-01-30

Seal apparatus

#78
20200025315
2020-01-23

Threaded connection for steel pipe

#79
20200025314
2020-01-23

COUPLING FOR FLUID LINE ASSEMLY

#80
20190331262
2019-10-31

Threaded Connection for Pipe and Method for Producing Threaded Connection for Pipe

#81
20190330930
2019-10-31

Threaded connection for steel pipe

#82
20190321265
2019-10-24

System, apparatus and method employed with enteral systems

#83
20190316719
2019-10-17

Apparatus for connecting wellsite tubing

#84
20190271419
2019-09-05

CONDUIT CONNECTION WITH SENSOR

#85
20190267781
2019-08-29

Cable entry device for electrical cable housed in a conduit

#86
20190264842
2019-08-29

Connection structure for fire extinguishing system piping

#87
20190249810
2019-08-15

Method for Attaching an End-Seal Fitting to a Lined Host Pipe

#88
20190241781
2019-08-08

Sealant material

#89
20190211632
2019-07-11

Threaded joint for oil well steel pipe

#90
20190211631
2019-07-11

Threaded joint for oil country tubular goods

#91
20190203857
2019-07-04

Threaded connection

#92
20190178427
2019-06-13

Orbital coupling arrangement

#93
20190107230
2019-04-11

Adapter for sealing boot for electrical interconnections

#94
20190091693
2019-03-28

Capillary connection unit for analysis devices and medical devices

#95
20190086019
2019-03-21

Joint that Prevents a Water Pipe from Twisting

#96
20190085642
2019-03-21

Line element with hooped tube and high-strength steel end fittings, and method for upgrading a riser pipe with same

#97
20190084203
2019-03-21

METHOD FOR EMBEDDING ELASTOMER SEALING MATERIALS ON THE THREADS OF PLASTIC FITTINGS USING TWO STAGE INJECTION MOLDING

#98
20190056049
2019-02-21

Threaded joint for oil well tubing

#99
20190056034
2019-02-21

High pressure coupler

#100
20190040978
2019-02-07

Threaded joint for steel pipes

#101
20190032821
2019-01-31

PIPE COUPLING

#102
20190032820
2019-01-31

Threaded joint for steel pipe

#103
20190010767
2019-01-10

Threaded connection for pipe or tube and method for producing the threaded connection for pipe or tube

#104
20190003620
2019-01-03

Threaded connection for pipe or tube and method of producing the threaded connection for pipe or tube

#105
20180363814
2018-12-20

Tube connecting device

#106
20180363813
2018-12-20

Threaded joint for steel pipe

#107
20180340636
2018-11-29

Tubular connecting arrangement and method of sealingly connecting tubulars

#108
20180335170
2018-11-22

High pressure fitting for supercritical fluid chromatography

#109
20180327633
2018-11-15

Composition for solid coating formation and tubular threaded joint

#110
20180313168
2018-11-01

Threaded connection for steel pipe

#111
20180299042
2018-10-18

Gasket for fluid coupling, and fluid coupling

#112
20180258709
2018-09-13

SCREW JOINT FOR PIPE (AS AMENDED)

#113
20180252054
2018-09-06

Alignment sub with deformable sleeve

#114
20180201868
2018-07-19

Composition for solid lubricating coating, threaded connection for pipe or tube including the solid lubricating coating formed from the composition, and method of producing the threaded connection

#115
20180187529
2018-07-05

Expanding well tubulars interconnected by pin-box assemblies optimized for expansion

#116
20180172188
2018-06-21

Method of assembling a conduit fitting

#117
20180163903
2018-06-14

Multi-piece flow through connector

#118
20180135784
2018-05-17

Fluid connector assembly and method of establishing a fluid connection

#119
20180119852
2018-05-03

Expanding well tubulars interconnected by pin-box assemblies optimized for expansion

#120
20180106408
2018-04-19

Connection device for pipes in general

#121
20180080287
2018-03-22

Threaded pipe joint

#122
20180031153
2018-02-01

Method for Sealing Threaded Pipe Joints

#123
20180022516
2018-01-25

Electronic cigarette sealing piece for adding liquid by injection, liquid container and electronic cigarette

#124
20170370504
2017-12-28

Pipe holding connection structure and high frequency antenna device including the same

#125
20170370160
2017-12-28

Protector with a flexible gasket for the male or female end of a component of a threaded tubular connection

#126
20170356573
2017-12-14

Conduit connector assembly

#127
20170321494
2017-11-09

Connection and protective ring therefor

#128
20170314710
2017-11-02

Screw connection

#129
20170313921
2017-11-02

SEALING MATERIAL FOR THREADED CONNECTIONS

#130
20170306707
2017-10-26

Friction based thread lock for high torque carrying connections

#131
20170306203
2017-10-26

Sealant material

#132
20170306202
2017-10-26

Sealant material

#133
20170292638
2017-10-12

Threaded joint for steel pipes

#134
20170275857
2017-09-28

Universal adapter and method for manufacturing the universal adapter

#135
20170254156
2017-09-07

Tubular component connection protector

#136
20170248257
2017-08-31

Fitting with Removable Dip Tube

#137
20170227155
2017-08-10

Connection system

#138
20170211729
2017-07-27

Connector device

#139
20170138526
2017-05-18

THREADED CONNECTION FOR OIL COUNTRY TUBULAR GOODS AND COMPOSITION FOR PHOTOCURABLE COATING

#140
20170101830
2017-04-13

Threaded joint for steel pipes

#141
20170089497
2017-03-30

Conduit fitting subassembly and retaining tool

#142
20170074429
2017-03-16

Sanitary fitting for fluid handling equipment

#143
20170051422
2017-02-23

PLATING SOLUTION FOR THREADED CONNECTION FOR PIPE OR TUBE AND PRODUCING METHOD OF THREADED CONNECTION FOR PIPE OR TUBE

#144
20170051421
2017-02-23

Plating solution for threaded connection for pipe or tube and producing method of threaded connection for pipe or tube

#145
20170044746
2017-02-16

Connecting Structure for Outlet Pipe of Faucet

#146
20170016559
2017-01-19

GAS CONNECTOR ASSEMBLY

#147
20170009915
2017-01-12

INTEGRATED METAL C-SEAL WITH THREADED ADAPTER

#148
20160377208
2016-12-29

Gasket for Threaded Pipe Flange

#149
20160370249
2016-12-22

Pipe pressure testing method and apparatus

#150
20160341342
2016-11-24

Coupling assemblies for connecting fluid-carrying components

#151
20160327191
2016-11-10

Breech lock coupling

#152
20160319966
2016-11-03

Threaded joint for heavy-walled oil country tubular goods

#153
20160319626
2016-11-03

PLUNGER PACKING NUT WITH INTEGRAL PACKING

#154
20160298796
2016-10-13

Conduit connection with sensor on a threaded body

#155
20160258227
2016-09-08

Casing joint assembly

#156
20160238167
2016-08-18

Press fitting for a threaded connection and method for attaching a fitting to a threaded connection

#157
20160223103
2016-08-04

Pipe Dope Applicator Apparatus

#158
20160215906
2016-07-28

Fitting mechanism for use with multilayer composite pipe

#159
20160201841
2016-07-14

Tube nut assembly

#160
20160195206
2016-07-07

Conduit end with demarcation

#161
20160195203
2016-07-07

Pipe coupling

#162
20160175201
2016-06-23

System, apparatus and method employed with enteral systems

#163
20160160574
2016-06-09

Connection structure between pipe body and joint of aluminum alloy drill pipe

#164
20160123507
2016-05-05

Pipe connector fitting with elongate gasket and metal threads

#165
20160123506
2016-05-05

Sealing devices, bushing, and systems including the same

#166
20160116093
2016-04-28

HOSE END FITTING SYSTEM FOR POLYETRAFLUOROETHYLENE (PTFE)-CORE HOSE

#167
20160097474
2016-04-07

CLICK-SEAL TORQUE LIMITING CONNECTOR DESIGNS

#168
20160091126
2016-03-31

Compression fitting with torque nut

#169
20160084414
2016-03-24

Locking taper fluid connection interfaces

#170
20160084382
2016-03-24

Sealing element for a hydraulic fitting

#171
20160074895
2016-03-17

Paint can adapter for handheld spray device

#172
20160061359
2016-03-03

DRAIN SYSTEM FOR A MOTOR VEHICLE

#173
20160061358
2016-03-03

Valve connector for a valve of an inflating device and adapter having the same

#174
20160047507
2016-02-18

Test port for fuel dispenser

#175
20160025248
2016-01-28

Universal tube fitting adaptable for different sized tubes

#176
20160025247
2016-01-28

Hydraulic fitting insert

#177
20160016019
2016-01-21

Breathing apparatus equipment

#178
20160016018
2016-01-21

Fluid adapter and fluid coupling

#179
20160003383
2016-01-07

Integrated fluidic connection of planar structures for sample separation devices

#180
20150362101
2015-12-17

PULL-UP BY TORQUE FITTING WITH COMPRESSIBLE MEMBER

#181
20150345672
2015-12-03

THREAD CLAMPING COUPLER DEVICE

#182
20150345116
2015-12-03

Hose nut, water hose assembly comprising the hose nut and shower system comprising the water hose assembly

#183
20150323108
2015-11-12

Tubular connecting arrangement and method of sealingly connecting tubulars

#184
20150316189
2015-11-05

Connectors and methods for making and using the same

#185
20150316182
2015-11-05

Conversion fitting

#186
20150300541
2015-10-22

Coupling connection for corrugated pipes

#187
20150292665
2015-10-15

GASKET FOR SEALING OF THREADED COUPLINGS

#188
20150292661
2015-10-15

High pressure, large inner diameter hose coupling with termination attachment

#189
20150292653
2015-10-15

Dual seal fluid fitting

#190
20150292274
2015-10-15

Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement

#191
20150276100
2015-10-01

Connection, fitting and production method

#192
20150276099
2015-10-01

PIPE CONNECTOR APPARATUS

#193
20150260319
2015-09-17

Quick-seal connecting component

#194
20150252933
2015-09-10

Pipe coupling

#195
20150252922
2015-09-10

Conduit fitting with sensor on a threaded nut

#196
20150252910
2015-09-10

Bike tire pump chuck

#197
20150240973
2015-08-27

SPIGOT COUPLINGS

#198
20150240571
2015-08-27

Connection Assembly

#199
20150239339
2015-08-27

Filler pipe mounting structure

#200
20150219255
2015-08-06

Connection system

#201
20150211663
2015-07-30

High pressure fitting for supercritical fluid chromatography

#202
20150210888
2015-07-30

Composition for solid coating formation and tubular threaded joint

#203
20150198275
2015-07-16

Spherical exhaust pipe joint

#204
20150198271
2015-07-16

Fluid connector assembly and method of establishing a fluid connection

#205
20150162736
2015-06-11

Waterproof cable assembly/connector

#206
20150152986
2015-06-04

Pipe connectors and systems

#207
20150139832
2015-05-21

Seal assembly for a downhole device

#208
20150130182
2015-05-14

Threaded joint for steel pipe

#209
20150108723
2015-04-23

DOUBLE METAL TO METAL KX SEAL

#210
20150096764
2015-04-09

Interlock pipe connection

#211
20150060568
2015-03-05

Paint can adapter for handheld spray device

#212
20150048615
2015-02-19

Seal surface configuration for fluid system components

#213
20150041472
2015-02-12

Connector assembly usable as a closure and to establish a fluid connection

#214
20150035274
2015-02-05

Connector assembly

#215
20150035238
2015-02-05

Pipe pressure testing method and apparatus

#216
20150021903
2015-01-22

Conduit fitting with pull-up indication

#217
20150014989
2015-01-15

CONNECTOR ASSEMBLY

#218
20150013799
2015-01-15

COMPONENT ATTACHING STRUCTURE AND PRESSURE REGULATOR

#219
20150008669
2015-01-08

Pipe joint, air conditioner, method for producing connecting pipe, connecting pipe, and connection method

#220
20140319153
2014-10-30

THREADED INTERFACES

#221
20140300098
2014-10-09

Polymeric device to protect pipe coupling

#222
20140284919
2014-09-25

Tubular threaded joint having improved high torque performance

#223
20140265324
2014-09-18

Apparatuses and methods for providing quick-connections with retaining features

#224
20140264117
2014-09-18

Valve structure

#225
20140183862
2014-07-03

Threaded connector for larger diameter tubular members

#226
20140131993
2014-05-15

BUSHING/COLLET NUT COMPONENT, PLUNGER ADAPTOR/COLLET NUT COMPONENT AND TOP SEAL ASSEMBLY FOR USE WITH A DOWNHOLE PUMP

#227
20140028019
2014-01-30

Conduit hub with wiper seal

#228
20130341917
2013-12-26

Quick Connect and Quick Disconnect System Female Component

#229
20130341914
2013-12-26

Quick connect and quick disconnect system with positive feedback and method of manipulating a quick connect and quick disconnect system with positive feedback

#230
20130341905
2013-12-26

Quick connect and quick disconnect system male component

#231
20130341904
2013-12-26

Quick connect and quick disconnect system

#232
20130270171
2013-10-17

FILTRATION SYSTEM AND ASSEMBLY THEREOF

#233
20130227831
2013-09-05

Flat bottom fitting assembly

#234
20130181445
2013-07-18

FITTING FOR JACKETED CONDUITS

#235
20130181439
2013-07-18

Seal assembly for nested dual drill pipe

#236
20130154253
2013-06-20

Fluid coupling

#237
20130139905
2013-06-06

Flow module port fitting

#238
20130127161
2013-05-23

Refrigeration system connection fitting

#239
20130076029
2013-03-28

Gasket and Seal Apparatus

#240
20130075083
2013-03-28

Threaded end of a tubular component for drilling or working hydrocarbon wells, and resulting connection

#241
20130049360
2013-02-28

Threaded adaptor

#242
20120273079
2012-11-01

Oil transfer tube and assembly

#243
20120255344
2012-10-11

Pipe pressure testing method and apparatus

#244
20120248766
2012-10-04

Coupling assembly with corrosion barrier for GRE-lined premium threaded pipe

#245
20120073323
2012-03-29

Refrigeration system connection fitting

#246
20120049462
2012-03-01

CONNECTOR SEAL

#247
20120032435
2012-02-09

Threaded joint for tubes, pipes and the like

#248
20110308798
2011-12-22

SYSTEMS AND METHODS FOR PRODUCING OIL AND/OR GAS

#249
20110290476
2011-12-01

Well assembly coupling

#250
20110277309
2011-11-17

Pull-up by torque fitting with compressible member

#251
20110241339
2011-10-06

SEALED TUBULAR CONNECTION USED IN THE OIL INDUSTRY, AND METHOD FOR PRODUCING SAID CONNECTION

#252
20110233925
2011-09-29

THREADED JOINT WITH ELASTOMERIC SEAL FLANGE

#253
20110203790
2011-08-25

System and method for sealing couplings in downhole tubing strings

#254
20110037257
2011-02-17

Breech lock coupling

#255
20110005333
2011-01-13

Face seal gasket

#256
20100320755
2010-12-23

APPARATUS AND METHOD OF ZERO CLEARANCE CONNECTION WITH OPTIONAL SENSING FUNCTION

#257
20100237612
2010-09-23

Tubular connection floating shoulder ring

#258
20100219631
2010-09-02

Conduit fitting with pull-up indication

#259
20100201118
2010-08-12

Conduit connection with sensing function

#260
20100107766
2010-05-06

Ultrasonic testing method of threaded joint of pipes or tubes

#261
20100052319
2010-03-04

Dual Seal Expandable Tubular Connection

#262
20100037681
2010-02-18

Pipe pressure testing method and apparatus

#263
20100018590
2010-01-28

Drain system

#264
20090264326
2009-10-22

Lubricating coating composition suitable for tubular threaded joints

#265
20090261575
2009-10-22

Adjustable Length Discharge Joint for High Pressure Applications

#266
20090206552
2009-08-20

SHAPE MEMORY (ALLOY) HERMETIC SEAL AND THREADED JOINT INCORPORATING SAME

#267
20090091130
2009-04-09

Method and apparatus of preventing gas leak in pipeline

#268
20090033092
2009-02-05

Threaded tubular connection

#269
20080303274
2008-12-11

High-strength threaded joints, particularly for lined tubes

#270
20080099070
2008-05-01

Gasket and Seal Apparatus

#271
20070262539
2007-11-15

Sealing Material and Process for Sealing Piping Connections, Manufacturing Process and Dispenser for the Sealing Material

#272
20070120364
2007-05-31

Subsurface drill string

#273
20070102927
2007-05-10

Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s)

#274
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20070024053
2007-02-01

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20060276349
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Thread sealants with engineered fibers

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20060267342
2006-11-30

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20060032629
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Insertion tube methods and apparatus

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20050248153
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Stainless steel bimetallic coupling

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Formed internal surface tubular connection

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Seal ring and coupling sleeve assembly

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2016-06-28

Turbine flow meter