ClassID:

153545

F16L2201/40 - CPC Classification

Classification description:

Special arrangements for pipe couplings for special environments

Sub-classes:
Recent Application in this class:
#1
20250377255
2025-12-11

SYSTEMS, APPARATUSES, AND METHODS FOR TESTING CRYOGENIC COUPLINGS

#2
20240337341
2024-10-10

FLUID CHECK PIPING AND ELECTRIC POWER APPARATUS

#3
20240325806
2024-10-03

PIPE ARRANGEMENT CONSISTING OF A PIPE OR A PIPE JOINT

#4
20240200705
2024-06-20

MULTIPORT DISCONNECT COUPLINGS

#5
20240093814
2024-03-21

Device for connecting fluid-conducting pipes and/or chambers

#6
20240052965
2024-02-15

CONNECTOR SYSTEM FOR USE IN ULTRA-HIGH VACUUM SYSTEMS

#7
20230408002
2023-12-21

High temperature remotely connected/disconnected pipe connector for molten salt reactors

#8
20230175617
2023-06-08

Valve package for HVAC system

#9
20230139421
2023-05-04

Optimized connection assembly between two portions of a supply line for a cryogenic fluid, including an additional thermal insulation chamber and a fluid expansion chamber

#10
20230018202
2023-01-19

POLYPHENYLENE SULFIDE OR POLYPHENYLENE SULFIDE ALLOY IMPACT-RESISTANT FUEL QUICK CONNECTOR

#11
20220316627
2022-10-06

Easily polymerizable substance handling device

#12
20220252196
2022-08-11

Multiport disconnect couplings

#13
20200393065
2020-12-17

Vacuum insulated tubing for high pressure, high temperature wells, and systems and methods for use thereof, and methods for making

#14
20200393064
2020-12-17

Screw connection system

#15
20200360749
2020-11-19

Pipe arrangement consisting of a pipe or a pipe joint

#16
20200325734
2020-10-15

Threaded connection partially in a self-locking engagement

#17
20200240561
2020-07-30

System for connecting and sealing flexible and rigid pipes under high pressure

#18
20200200303
2020-06-25

Method for making a threaded connection for pipes, such as oil and gas pipes

#19
20200109804
2020-04-09

Swivel joint

#20
20200032926
2020-01-30

Method for the offshore installation of a preheated double-walled underwater pipe for transporting fluids

#21
20200032915
2020-01-30

Fluid transfer connector and method for controlling the same

#22
20200011468
2020-01-09

Connecting multi-bore structures in water

#23
20190360590
2019-11-28

Mounting device for a flat seal of a flange connection

#24
20190344067
2019-11-14

Coupling component and fluid coupling

#25
20190331277
2019-10-31

CONNECTORS FOR THERMOPLASTIC TUBE SEGMENTS AND METHOD

#26
20190316719
2019-10-17

Apparatus for connecting wellsite tubing

#27
20190316712
2019-10-17

Sealed gap sub

#28
20190277316
2019-09-12

Device for Controlling the Flow Direction of Fluids

#29
20190178422
2019-06-13

Fluid supply conduit and method for providing such a conduit

#30
20190162338
2019-05-30

Subsea clamp connector and subsea clamp connector arrangement comprising such a clamp connector

#31
20190145455
2019-05-16

Fasteners with reduced bacterial harborage points, sealing capabilities, and component protection features

#32
20190143538
2019-05-16

End of arm tools for soft robotic systems

#33
20190056052
2019-02-21

COOLING DEVICE FOR HIGH TEMPERATURE PIPE

#34
20190032455
2019-01-31

Subsea arrangement

#35
20190003621
2019-01-03

CLAMSHELL COUPLING

#36
20180340636
2018-11-29

Tubular connecting arrangement and method of sealingly connecting tubulars

#37
20180327633
2018-11-15

Composition for solid coating formation and tubular threaded joint

#38
20180291694
2018-10-11

Thermally insulated vertical subsea connection system

#39
20180259098
2018-09-13

Method for making a threaded connection for pipes, such as oil and gas pipes

#40
20180187812
2018-07-05

Rapid-connect coupler with vent stop

#41
20180156391
2018-06-07

Rotary introducer

#42
20180149296
2018-05-31

PIPE COUPLING SYSTEM AND METHOD

#43
20180148984
2018-05-31

Electromagnetic telemetry gap sub assembly with insulating collar

#44
20180140821
2018-05-24

Swivel hub

#45
20180023736
2018-01-25

Clamshell coupling

#46
20170314337
2017-11-02

Tapered thread configuration with improved durability

#47
20170274507
2017-09-28

High torque polymer fittings

#48
20170167648
2017-06-15

Tube with coupling

#49
20170138526
2017-05-18

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

#50
20170114942
2017-04-27

Coupling assembly and protective ring therefor

#51
20170074450
2017-03-16

Joint assembly for forming a duct

#52
20170074438
2017-03-16

Pipe Coupling Apparatus

#53
20170074432
2017-03-16

Pipe Coupling Apparatus

#54
20170074431
2017-03-16

Pipe Coupling Apparatus

#55
20170009535
2017-01-12

Threaded connection having high galling resistance and method of making same

#56
20160327191
2016-11-10

Breech lock coupling

#57
20160312939
2016-10-27

Rapid-connect coupler with vent stop

#58
20160312931
2016-10-27

Assembly for producing a threaded connection for drilling and operating hydrocarbon wells, and resulting threaded connection

#59
20160305585
2016-10-20

Threaded joint for steel pipes

#60
20160290537
2016-10-06

Vacuum sealing flange

#61
20160258562
2016-09-08

Riser connector assembly

#62
20160258227
2016-09-08

Casing joint assembly

#63
20160245433
2016-08-25

Threaded connection for pipes, such as oil and gas pipes

#64
20160230910
2016-08-11

Thermally compliant fitting for high temperature tube applications

#65
20160222738
2016-08-04

Connection between wellbore components

#66
20160186899
2016-06-30

TUBULAR CONNECTION WITH SELF-LOCKING THREAD FORM USED IN THE OIL INDUSTRY

#67
20160123509
2016-05-05

Threaded connection

#68
20160123508
2016-05-05

Threaded connection

#69
20160116090
2016-04-28

Pipe Coupling Apparatus

#70
20160116083
2016-04-28

Bracket and use

#71
20160069504
2016-03-10

Locking device

#72
20160024856
2016-01-28

Drill string components having multiple-thread joints

#73
20160018038
2016-01-21

Branch pipe tee with integral volume for short cars

#74
20150368988
2015-12-24

Expandable tubular thread protection

#75
20150368987
2015-12-24

Threaded joint for steel pipes

#76
20150362104
2015-12-17

PIPING COMPONENT AND PIPE

#77
20150362100
2015-12-17

Rotary shouldered connections and thread design

#78
20150361728
2015-12-17

Cold Forming and Heat Treatment Process for Tubulars

#79
20150345682
2015-12-03

RELEASABLE CONDUIT CONNECTION DEVICE AND PIPELINE PROVIDED WITH SUCH A DEVICE

#80
20150340811
2015-11-26

Electrical connector and system for electrical outlet

#81
20150338002
2015-11-26

PIPE CONNECTOR AND SYSTEM THEREFOR

#82
20150335179
2015-11-26

Hanging device and method therefor

#83
20150330155
2015-11-19

Electromagnetic telemetry gap sub assembly with insulating collar

#84
20150323109
2015-11-12

Drill Pipe Connector and Method

#85
20150323108
2015-11-12

Tubular connecting arrangement and method of sealingly connecting tubulars

#86
20150316181
2015-11-05

Threaded connection

#87
20150316180
2015-11-05

Threaded connections with an adjustable secondary shoulder

#88
20150308601
2015-10-29

Vacuum-pipe connecting member for detecting gas leak

#89
20150300544
2015-10-22

Piping connection device and heat pump cycle device having same

#90
20150292653
2015-10-15

Dual seal fluid fitting

#91
20150292275
2015-10-15

Tapered thread configuration with improved durability

#92
20150284029
2015-10-08

Spring strut top mounting

#93
20150276114
2015-10-01

Fluid transfer coupling

#94
20150276101
2015-10-01

Bulkhead fitting assembly

#95
20150275587
2015-10-01

Non-threaded tubular connection

#96
20150267846
2015-09-24

Bulkhead fitting assembly and method of making

#97
20150267845
2015-09-24

Bulkhead fitting assembly and method of sealing a bulkhead opening

#98
20150240571
2015-08-27

Connection Assembly

#99
20150210888
2015-07-30

Composition for solid coating formation and tubular threaded joint

#100
20150198567
2015-07-16

Adapter housing and connecting device for chromatography

#101
20150198270
2015-07-16

THREADED JOINT FOR PIPES

#102
20150192229
2015-07-09

Tubular threaded joint having improved high-torque makeup properties

#103
20140353967
2014-12-04

Sealed-coupling device without a retention area

#104
20140339810
2014-11-20

Pressure compensated enclosures for submerged joints

#105
20140319827
2014-10-30

Method and structure for preventing slipping-off of a tube in a pipe joint made of fluororesin

#106
20140209186
2014-07-31

Arrangement for cleaning hydraulic coupler mating surfaces

#107
20140183859
2014-07-03

Pipe coupling and coupling member thereof

#108
20120326431
2012-12-27

Bulkhead fitting assembly

#109
20120267170
2012-10-25

Tapered thread configuration with improved durability

#110
20120003855
2012-01-05

Coupling arrangement

#111
20110259833
2011-10-27

Pipe and a method for reducing biofilms

#112
20110037257
2011-02-17

Breech lock coupling

#113
20100193530
2010-08-05

Line equipped with a coupling having an integrated heating element

#114
20080318079
2008-12-25

LOW LEAD SOLDERABLE PLUMBING COMPONENTS

#115
20080296891
2008-12-04

Hose connector with adjustable ambient air inlets

#116
20080012327
2008-01-17

Rotatable fire sprinkler fitting

#117
16903799
2020-12-08

Self-installing connections for rack liquid cooling

#118
16831959
2022-06-07

Fluid transfer couplings and methods therefor

#119
16363165
2020-06-30

Self-installing connections for rack liquid cooling

#120
14792077
2016-10-18

Threaded connection having high galling resistance and method of making same

#121
14618905
2016-02-16

Coupling with anti-rotational element