ClassID:

152928

F16L15/08 - page 2 - CPC Classification

Classification description:

Screw-threaded joints ; Forms of screw-threads for such joints with supplementary elements

Recent Application in this class:
#301
20140217722
2014-08-07

Composite pipe to metal joint

#302
20140182398
2014-07-03

Luer connectors

#303
20140167408
2014-06-19

Ratcheting anti-rotation lock for threaded connectors

#304
20140166309
2014-06-19

Pressure compensation device for thread connections

#305
20140163468
2014-06-12

Coded drug reservoir connection element with hinge

#306
20140159361
2014-06-12

Method and apparatus for connecting tubulars of a wellsite

#307
20140132001
2014-05-15

Screw connection device for fluid lines, in particular for motor vehicle fluid lines

#308
20140125053
2014-05-08

Broach style anti rotation device for connectors

#309
20140103645
2014-04-17

Anti-rotation system for box and pin connection

#310
20140103641
2014-04-17

Method and system for tightening threaded elements and certifying the connections and the devices for connecting threaded elements

#311
20140103640
2014-04-17

Threaded connector locking device

#312
20140084584
2014-03-27

Lightweight fire hose coupling with protective shoulder and method of manufacturing the coupling

#313
20140054891
2014-02-27

Coupling for connecting tubular elements for bottom-hole assemblies

#314
20140054887
2014-02-27

Tubular connector having a secondary shoulder

#315
20140035273
2014-02-06

Fluid line safety device

#316
20140028017
2014-01-30

JUNCTION DEVICE FOR DUCTS AND PIPELINES

#317
20130333790
2013-12-19

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

#318
20130292132
2013-11-07

Method of forming a machinable surface

#319
20130277961
2013-10-24

Tubular threaded joint having improved low temperature performance

#320
20130276294
2013-10-24

Tubular threaded joint having improved high torque performance

#321
20130257037
2013-10-03

Trapezoidal thread form having a wear indicator and high pressure connection fitting comprising same

#322
20130234432
2013-09-12

Microfluidic interconnect

#323
20130233053
2013-09-12

Torque limited fitting

#324
20130228343
2013-09-05

Methods for installing shoulder rings in threaded pipe couplings

#325
20130145607
2013-06-13

FITTING FOR USE WITH NUT WITH INTERNAL LOCKING MECHANISM

#326
20130106101
2013-05-02

Joint construction for coupling conduit sections

#327
20120312550
2012-12-13

Set for obtaining a threaded connection, method for making up and breaking out said connection, and use of said connection in a riser

#328
20120280492
2012-11-08

Composite drill pipe and method for forming same

#329
20120267170
2012-10-25

Tapered thread configuration with improved durability

#330
20120256759
2012-10-11

System and method for downhole telemetry

#331
20120235404
2012-09-20

Assembly for producing a threaded connection, method for making up and breaking out said connection and use of said connection in a work over riser

#332
20120214337
2012-08-23

Fluid line safety device

#333
20120210552
2012-08-23

Position make-up indicator system

#334
20120193908
2012-08-02

Internally lined pipe connections and related methods of makeup

#335
20120119484
2012-05-17

SYSTEM AND METHOD FOR COUPLING PIPES

#336
20120098257
2012-04-26

Composite drill pipe and method for forming same

#337
20110309615
2011-12-22

FITTING WITH ADAPTED ENGAGING SURFACES

#338
20110285127
2011-11-24

VIBRATION RESISTANT FITTING ASSEMBLIES

#339
20110277309
2011-11-17

Pull-up by torque fitting with compressible member

#340
20110260445
2011-10-27

Cam style anti-rotation key for tubular connections

#341
20110253356
2011-10-20

Replacement fitting and method of installing same

#342
20110248201
2011-10-13

Tube coupling device having check valve

#343
20110203582
2011-08-25

Medical air tubing connection system

#344
20110186285
2011-08-04

Guide Part Device

#345
20110156384
2011-06-30

Pipe with reinforced female end

#346
20110049873
2011-03-03

Torque member for threaded connections

#347
20110037257
2011-02-17

Breech lock coupling

#348
20110018262
2011-01-27

Apparatus and method for coupling conduit segments

#349
20110016963
2011-01-27

Device for pressure testing of pipes

#350
20110008129
2011-01-13

Threaded connector with interlock

#351
20100320755
2010-12-23

APPARATUS AND METHOD OF ZERO CLEARANCE CONNECTION WITH OPTIONAL SENSING FUNCTION

#352
20100264649
2010-10-21

Threaded joint for pipes having a lubricating coating

#353
20100237612
2010-09-23

Tubular connection floating shoulder ring

#354
20100201118
2010-08-12

Conduit connection with sensing function

#355
20100194108
2010-08-05

PIPE COUPLING SYSTEM AND METHOD

#356
20100194103
2010-08-05

PIPE COUPLING METHOD AND SYSTEM

#357
20100140921
2010-06-10

Connector for fluid pressure devices

#358
20100059986
2010-03-11

Threaded joint for steel tubes

#359
20100032166
2010-02-11

Shoulder ring with axial retention

#360
20100025033
2010-02-04

Connection Apparatus and Method

#361
20100018590
2010-01-28

Drain system

#362
20100005643
2010-01-14

Method of coupling expandable tubing sections

#363
20090302599
2009-12-10

Pipe fitting

#364
20090294554
2009-12-03

Wrenchless manifold

#365
20090283357
2009-11-19

ADJUSTABLE TUBULAR NVH DAMPER AND TORSION ABSORBER

#366
20090218813
2009-09-03

Multi-use torque fitting and compressible ferrule

#367
20090151932
2009-06-18

Intelligent electrical power distribution system

#368
20090133258
2009-05-28

Joint Construction, Connector Sleeve, A Coupling Assembly, and a Method for Preparation

#369
20090101328
2009-04-23

COMPOSITE DRILL PIPE AND METHOD OF FORMING SAME

#370
20090041533
2009-02-12

Joint

#371
20090033092
2009-02-05

Threaded tubular connection

#372
20080309069
2008-12-18

External protection for expandable threaded tubular connections

#373
20080277925
2008-11-13

Threaded joint for steel pipe

#374
20080252074
2008-10-16

Method of Joining Components, Fitting and Tube Joint Where at Least One of the Components Comprises or is Made of Material Difficult to Weld

#375
20080224471
2008-09-18

Male coupling for connecting to female threaded coupling

#376
20080219800
2008-09-11

Threaded fastener and fastener system

#377
20080179884
2008-07-31

Coupling for drilling-with-casing operations

#378
20080116688
2008-05-22

Differential pitch hammerless connection with hydraulic driving mechanism

#379
20080083529
2008-04-10

Downhole coils

#380
20080079261
2008-04-03

Pipe coupling system

#381
20080073905
2008-03-27

Pipe coupling system

#382
20080067808
2008-03-20

Threaded pipe joint coupling with wire lock device

#383
20080042431
2008-02-21

Shoulder refacing indicator

#384
20080012569
2008-01-17

Downhole Coils

#385
20080012327
2008-01-17

Rotatable fire sprinkler fitting

#386
20080012320
2008-01-17

Tubing connection arrangement

#387
20070272419
2007-11-29

Threaded Connection for Expandable Tubulars

#388
20070247329
2007-10-25

System and method for downhole telemetry

#389
20070247328
2007-10-25

System and method for downhole telemetry

#390
20070236004
2007-10-11

Slotted thread protection device

#391
20070194948
2007-08-23

System and method for providing electrical power downhole

#392
20070164563
2007-07-19

Fitting with adapted engaging surfaces

#393
20070120364
2007-05-31

Subsurface drill string

#394
20070063513
2007-03-22

Threaded tubular connection having interlocking tubular end structures

#395
20070049093
2007-03-01

Anti-Rotation Device for Mating Connectors and Methods of Using Same

#396
20070035126
2007-02-15

Sprinkler head connector system

#397
20070018451
2007-01-25

Safety device for threadedly engaged portions of a quick-coupling

#398
20070001457
2007-01-04

Locking device for built pipe connections

#399
20060288509
2006-12-28

Threaded connector with interlock

#400
20060273588
2006-12-07

Joint construction, connector sleeve, a coupling assembly, and a method for preparation

#401
20060267342
2006-11-30

Tubular connection and method

#402
20060066102
2006-03-30

Composite drill pipe

#403
20060032629
2006-02-16

Insertion tube methods and apparatus

#404
20060021799
2006-02-02

Biased insert for installing data transmission components in downhole drilling pipe

#405
20060016590
2006-01-26

Downhole component with a pressure equalization passageway

#406
20050279513
2005-12-22

Downhole rotatable-shaft connector assembly and method

#407
20050258640
2005-11-24

Method for coupling connectors using an anti-rotation device

#408
20050242583
2005-11-03

Coupling for drilling-with-casing operations

#409
20050236159
2005-10-27

Threaded connection for expandable tubulars

#410
20050199293
2005-09-15

Manifold for selectively dispersing multiple fluid streams

#411
20050176592
2005-08-11

Method of using intrinsically conductive polymers with inherent lubricating properties, and a composition having an intrinsically conductive polymer, for protecting metal surfaces from galling and corrosion

#412
20050173919
2005-08-11

Coupling assembly and method

#413
20050087983
2005-04-28

Reinforced tubular joint for improved sealing-tightness after plastic expansion

#414
20050062288
2005-03-24

Thread Spacer

#415
18894524
2025-12-16

Irrigation valve assembly replacement method and system

#416
16845152
2022-10-18

Integral expanded upset

#417
15453571
2018-06-12

Method and apparatus for efficient bi-rotational drilling

#418
14464355
2017-05-30

One-way nut fastener