F16L19/04 - CPC Classification Index

ClassID:

152956 ⎘

F16L19/04 - 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 using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection

Sub-classes:

F16L19/041 » {the ring being an insert } 39
F16L19/043 » {with additional sealing means} 22
F16L19/048 » {specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like } 4
F16L19/05 » with a rigid pressure ring between the screwed member and the exterior of the flared pipe end 22

Recent Application in this class:

20250052349

2025-02-13

GRIP RING

20240200698

2024-06-20

PIPE JOINT

20230392731

2023-12-07

GRIP RING

20230066673

2023-03-02

Pipe connecting system

20220356971

2022-11-10

JOINT PIPE

20220178479

2022-06-09

Pipe fitting with grip ring

20220057026

2022-02-24

Method of forming assembly between panel and tube

20210092879

2021-03-25

Cold plate with metal tube connection and flexible metal tube

20210088234

2021-03-25

Resin-coated aluminum pipe connector for air conditioner outdoor unit

#10

20210062950

2021-03-04

Quick connector assembly and device

#11

20200141102

2020-05-07

QUICK CONNECT DEVICE AND ASSEMBLY FOR USE WITH A TOILET FILL VALVE

#12

20180320680

2018-11-08

Compressor Housing

#13

20170314710

2017-11-02

Screw connection

#14

20170307118

2017-10-26

Structure of resin-made pipe joint

#15

20170254450

2017-09-07

Joint and joint assembly

#16

20170225188

2017-08-10

Syringe attachment/detachment mechanism and device provided with mechanism

#17

20170129001

2017-05-11

Pipe end forming methods and pipe clamp

#18

20160258565

2016-09-08

Anti-rotation device for hydraulic connectors

#19

20160129234

2016-05-12

Connecting element and connecting assembly

#20

20160061363

2016-03-03

Fluid-conducting connection with clamping ring

#21

20160053924

2016-02-25

Pipe retainer

#22

20150292655

2015-10-15

Tubular Member Alignment Device

#23

20150292653

2015-10-15

Dual seal fluid fitting

#24

20150145245

2015-05-28

Advanced geomerty ferrule

#25

20150107723

2015-04-23

Partially carbonitriding heat treated stainless steel ferrule and manufacturing method thereof

#26

20140319827

2014-10-30

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

#27

20130307265

2013-11-21

Tube coupling joint

#28

20130043673

2013-02-21

Connecting assembly and methods for using the same

#29

20110210544

2011-09-01

Resinous tube joint

#30

20110049877

2011-03-03

FERRULE WITH RELIEF TO REDUCE GALLING

#31

20110006517

2011-01-13

Duplex pipe fitting, exclusive tool for the duplex pipe fitting, refrigeration system employing the duplex pipe fitting, and separation type air conditioner

#32