ClassID:

152949

F16L19/0231 - CPC Classification

Classification description:

Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts; Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member with specially adapted means for positioning the threaded member behind the collar

Recent Application in this class:
#1
20260098598
2026-04-09

UNIVERSAL QUICK-CONNECT HOSE KIT

#2
20250334214
2025-10-30

CLOSURE ADAPTER

#3
20240384745
2024-11-21

Split Coupler For Pipes

#4
20240142028
2024-05-02

PIPE COUPLING PART, AND CORRESPONDING USE

#5
20230103727
2023-04-06

View Holes For Heavy Quick Union Collars

#6
20220128086
2022-04-28

Split coupler for pipes

#7
20210364108
2021-11-25

Hygienic coupling system

#8
20210348703
2021-11-11

Connection

#9
20210270308
2021-09-02

Nut for fluid joint assembly having thread terminus located for cracking prevention

#10
20210180717
2021-06-17

Threaded type valve connector

#11
20210172549
2021-06-10

Connector assembly

#12
20210140358
2021-05-13

Fluid transfer connection interface design

#13
20200109563
2020-04-09

SPLIT NUT FOR MONOPOLE BASE

#14
20200041047
2020-02-06

TUBE FITTING ASSEMBLY

#15
20190390801
2019-12-26

Pipe coupling

#16
20190338873
2019-11-07

Hammer union connection and related methods of assembly

#17
20190264844
2019-08-29

Zero dead volume fitting assembly

#18
20190032822
2019-01-31

Split nut arrangement

#19
20190024829
2019-01-24

Non-preloaded threaded pipe connection for temporary high pressure piping

#20
20190024559
2019-01-24

Fluid transfer connection interface design

#21
20180163904
2018-06-14

High pressure flowline union

#22
20170314336
2017-11-02

Enhanced union connection

#23
20170284571
2017-10-05

Plumbing fitting assemblies

#24
20170191591
2017-07-06

Apparatus for coupling tubular components and associated methods

#25
20170152978
2017-06-01

Locking collar quick union connection

#26
20160377199
2016-12-29

UNDERWATER PIPE ASSEMBLY AND METHOD FOR ASSEMBLING UNDERWATER PIPES

#27
20160356408
2016-12-08

Face sealed fittings

#28
20160348813
2016-12-01

Ring for fastening a pipe to a tubular body and connection means comprising such a ring

#29
20160334040
2016-11-17

Backlash-free plug-in connection for pipe lines and hose lines

#30
20160158989
2016-06-09

Length-adjustable adapter device for connecting a system part of a plastics processing system to a pipeline

#31
20150369412
2015-12-24

Method and assembly for the connection of two tubular members

#32
20150362099
2015-12-17

Ferrule coupling and sealing mechanism for liquid passage nozzle of membrane module

#33
20150308592
2015-10-29

Connecting apparatus for creating a connection between a measuring instrument/valve block and a pipeline

#34
20150276100
2015-10-01

Connection, fitting and production method

#35
20150252923
2015-09-10

Fluid coupling and retainer for fluid coupling

#36
20150226355
2015-08-13

Hammer union connection and related methods of assembly

#37
20150130185
2015-05-14

Vibration-resistant boltless ESP component connection

#38
20150122343
2015-05-07

Fill valves for toilets

#39
20150122342
2015-05-07

Plumbing fitting assemblies

#40
20150028587
2015-01-29

Safety connecting device, in particular for piping, an end-coupler for such device, and a method for manufacturing a nut therefor

#41
20140265324
2014-09-18

Apparatuses and methods for providing quick-connections with retaining features

#42
20140265312
2014-09-18

Apparatuses and methods for providing finger-tightened and ratchet-secured connections between conduits

#43
20140261839
2014-09-18

Concentric flexible hose assembly

#44
20130328301
2013-12-12

Threaded union for tubulars used in high-pressure fluid applications

#45
20130181439
2013-07-18

Seal assembly for nested dual drill pipe

#46
20130113202
2013-05-09

Connection arrangement and method for assembling the same

#47
20120133127
2012-05-31

Quick connect coupling systems with insert

#48
20120126532
2012-05-24

Hammer union wing nut

#49
20120014765
2012-01-19

FRAC NUT AND METHOD OF USING

#50
20110266795
2011-11-03

THREADED UNION FOR TUBULARS USED IN HIGH-PRESSURE FLUID APPLICATIONS

#51
20110254262
2011-10-20

Pipe joint

#52
20110121566
2011-05-26

Glueless plumbing union

#53
20110031745
2011-02-10

Fluid coupling and retainer for fluid coupling

#54
20100194101
2010-08-05

Swivel joint

#55
20100117359
2010-05-13

Field replaceable hammer union wing nut apparatus and method

#56
20090293975
2009-12-03

Fluid shut-off device

#57
20090250837
2009-10-08

Method of manufacture of a nut and tail assembly

#58
20090160186
2009-06-25

Threaded union for tubulars used in high-pressure fluid applications

#59
20090072536
2009-03-19

Connection Structure of Stack Panel to Fluid Device

#60
20080136178
2008-06-12

Adaptor and method for converting standard tube fitting/port to push-to-connect tube fitting/port

#61
20080129045
2008-06-05

WATER PIPE END STRUCTURE AND CONNECTION THEREFOR

#62
20080012326
2008-01-17

CONNECTION VALVE

#63
20080012316
2008-01-17

Flare tube assembly of hydraulic power steering apparatus

#64
20070210578
2007-09-13

Hose Apparatus and Method of Manufacturing Same

#65
20070152441
2007-07-05

Pipe connector and torque tool

#66
20070052237
2007-03-08

Adaptor and method for converting standard tube fitting/port to push-to-connect tube fitting/port

#67
20060214328
2006-09-28

Method of manufacture of a nut and tail assembly

#68
20060175835
2006-08-10

Union nut with lock member

#69
20060175834
2006-08-10

Quick connect coupling

#70
20060150409
2006-07-13

Molded flare assembly

#71
20060131871
2006-06-22

Fitting and pipe section for jetted bath heaters

#72
20060076774
2006-04-13

High pressure quick connect coupling and seal

#73
20060076059
2006-04-13

Meter bar

#74
20060039776
2006-02-23

Sleeve nut of plastic material

#75
20050081935
2005-04-21

End structure of water pipe

#76
20050067835
2005-03-31

Hydraulic connectors

#77
20050046179
2005-03-03

Self-locking coupling device

#78
20050040652
2005-02-24

Means for connecting two pipe elements end-to-end

#79
15442011
2020-03-17

Tube connector assembly