ClassID:

152918

F16L15/003 - CPC Classification

Classification description:

Screw-threaded joints ; Forms of screw-threads for such joints with conical threads with sealing rings

Recent Application in this class:
#1
20250320937
2025-10-16

FITTING WITH POSITIVE INSTALLATION INDICATOR ASSEMBLY

#2
20250060058
2025-02-20

Threaded and coupled tubular connection incorporating a seal ring and method of make-up

#3
20240247746
2024-07-25

TUBULAR WITH SCREW THREAD

#4
20240142026
2024-05-02

Pipe connection systems in oil and gas applications

#5
20240084933
2024-03-14

FITTING WITH POSITIVE INSTALLATION INDICATOR ASSEMBLY

#6
20240011562
2024-01-11

SEAL SYSTEM FOR ANNULAR COMPONENTS

#7
20230408000
2023-12-21

Threaded tubular connection

#8
20230341070
2023-10-26

TAPERED THREAD CONNECTION SEALING ARRANGEMENTS

#9
20230167927
2023-06-01

Positive installation indicator assembly

#10
20230041141
2023-02-09

Composite transition fitting

#11
20230037968
2023-02-09

METAL SEAL WELD-ON CONNECTOR FOR CONDUCTOR CASING

#12
20230030934
2023-02-02

Composite transition fitting

#13
20230010421
2023-01-12

SELF-REPAIRING EXPANDABLE TUBULAR APPARATUS

#14
20220356970
2022-11-10

Mechanical connector utilizing shear pins to transfer torque

#15
20220356969
2022-11-10

Mechanical connector utilizing keys to transfer torque

#16
20220356968
2022-11-10

Mechanical connector utilizing interlocked threads to transfer torque

#17
20220349502
2022-11-03

Mechanical connector utilizing dog-clutch teeth to transfer torque

#18
20220316626
2022-10-06

Vent Pipe Seal Fitting

#19
20220307639
2022-09-29

Tubular with screw thread

#20
20220235884
2022-07-28

THREADED CONNECTION FOR HAMMERING INTERCONNECTED TUBULAR MEMBERS

#21
20210301952
2021-09-30

Pipe fitting with positive installation indicator

#22
20210222805
2021-07-22

Fluid connector

#23
20210140570
2021-05-13

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

#24
20200408338
2020-12-31

Composite transition fitting

#25
20200240570
2020-07-30

Coupling assembly and protective ring therefor

#26
20200149665
2020-05-14

Coupling for fluid conduits

#27
20200056431
2020-02-20

Pressure test plug for improved tubular threaded component

#28
20200032933
2020-01-30

Seal apparatus

#29
20200003343
2020-01-02

High pressure composite pipe joining system

#30
20190383105
2019-12-19

Tubular string with load transmitting coupling

#31
20190360594
2019-11-28

Kerros or Layered Non-Conductive Ringed Sealing Pancake Gasket Assembly

#32
20180356014
2018-12-13

Compression resistant threaded connection

#33
20180266593
2018-09-20

THREADED PIPE JOINT

#34
20180231161
2018-08-16

Flexible pipe joint

#35
20180056318
2018-03-01

Low torque sprinkler fitting and method of manufacture

#36
20170350619
2017-12-07

Hot water storage device

#37
20170314371
2017-11-02

Couplings for expandable tubular

#38
20170225539
2017-08-10

Freon refilling apparatus for vehicles

#39
20170175459
2017-06-22

Mechanical connector of long torsional and bending fatigue life

#40
20170146127
2017-05-25

Kerros or layered non-conductive ringed sealing pancake gasket assembly

#41
20170122468
2017-05-04

THREADED JOINT FOR STEEL PIPES

#42
20170114942
2017-04-27

Coupling assembly and protective ring therefor

#43
20160377204
2016-12-29

Potable Water Adapter for Beverage Equipment

#44
20160123507
2016-05-05

Pipe connector fitting with elongate gasket and metal threads

#45
20150184781
2015-07-02

Threaded connection for double-walled pipes

#46
20140262213
2014-09-18

Couplings for expandable tubular

#47
20140125053
2014-05-08

Broach style anti rotation device for connectors

#48
20130333790
2013-12-19

Process for coating a threaded tubular component, threaded tubular component and resulting connection

#49
20130264819
2013-10-10

Coupling, in particular for connecting anchor rods

#50
20130228343
2013-09-05

Methods for installing shoulder rings in threaded pipe couplings

#51
20120032435
2012-02-09

Threaded joint for tubes, pipes and the like

#52
20110290476
2011-12-01

Well assembly coupling

#53
20110025050
2011-02-03

CONNECTION SYSTEM FOR DOUBLE-WALLED PIPES

#54
20110008101
2011-01-13

Threaded joint with improved resilient seal ring

#55
20100320754
2010-12-23

REVERSE SLIDING SEAL FOR EXPANDABLE TUBULAR CONNECTIONS

#56
20100243089
2010-09-30

Working fluid feeding device

#57
20100237612
2010-09-23

Tubular connection floating shoulder ring

#58
20100187808
2010-07-29

Threaded joint with pressurizable seal

#59
20100181761
2010-07-22

Threaded joint with resilient seal ring

#60
20100181727
2010-07-22

Threaded joint with energizable seal

#61
20100032166
2010-02-11

Shoulder ring with axial retention

#62
20080007060
2008-01-10

Coupling tubulars

#63
20070170722
2007-07-26

Wedge thread with sealing metal

#64
20070095414
2007-05-03

Working fluid feeding device

#65
20070039149
2007-02-22

Method for producing a threaded tubular connection sealed to the outside

#66
20070035130
2007-02-15

Reverse sliding seal for expandable tubular connections

#67
20070024053
2007-02-01

Mid-seal for expandable connections

#68
20060107509
2006-05-25

Method of sealing threaded connections

#69
20060006647
2006-01-12

Hybrid threaded connection for expandable tubulars

#70
20060006600
2006-01-12

Tubular threaded joint which is impervious to the external environment

#71
20050248154
2005-11-10

Threaded connection for oil field applications

#72
20050145406
2005-07-07

Data transmission system for a downhole component

#73
20050070144
2005-03-31

Internal coaxial cable seal system

#74
20050062288
2005-03-24

Thread Spacer

#75
20050046190
2005-03-03

Pipe connecting device

#76
20050012278
2005-01-20

Metal sleeve seal for threaded connections

#77
20050006900
2005-01-13

System and method for coupling conduit