Patents-Review.com
ClassID:

152993 ⎘

F16L21/06 - CPC Classification

Classification description:

Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends

Sub-classes:
Recent Application in this class:
#1
20250243955
2025-07-31

CLAMP WITH TONGUE HAVING A NON-FLAT TRANSVERSE PROFILE

 #2
20250164046
2025-05-22

Pipe Joint Assemblies

 #3
20250109812
2025-04-03

Two piece clamp having toothed engagement

 #4
20250092971
2025-03-20

SET OF PIPES COMPRISING AN IMPROVED RETAINING SYSTEM

 #5
20250084936
2025-03-13

SUPPORT SYSTEM

 #6
20250035242
2025-01-30

ANTI-TEARING HOOP

 #7
20240368973
2024-11-07

CONTINUOUS PUMPING OPERATIONS USING DECOUPLED PUMP MAINTENANCE

 #8
20240309978
2024-09-19

PIPE COUPLING

 #9
20240288101
2024-08-29

Sprung coupling

 #10
20240280197
2024-08-22

SPLIT CLAMP FOR JOINING PIPE ENDS

 #11
20240263726
2024-08-08

Pipe binding band and pipe binding mechanism comprising same

 #12
20240218948
2024-07-04

PRE-ASSEMBLED COUPLING ASSEMBLY WITH CAP

 #13
20240200703
2024-06-20

FLUID CONNECTION ASSEMBLY

 #14
20240183471
2024-06-06

PRE-ASSEMBLED COUPLING ASSEMBLY WITH FLEXIBLE HOSE ADAPTER

 #15
20240159334
2024-05-16

Pipe connection clamp

 #16
20240116463
2024-04-11

SANITARY RV WASTE DISPOSAL SYSTEM

 #17
20240093811
2024-03-21

Coupling assembly and method for retrofitting a pipe

 #18
20240077152
2024-03-07

Split Coupler For Pipes

 #19
20240035598
2024-02-01

Hose clamp

 #20
20240026741
2024-01-25

Hydraulic dry mate connectors with shape memory alloy technology

 #21
20230400129
2023-12-14

System for reducing band clamp failure

 #22
20230375113
2023-11-23

Fluid connection assembly

 #23
20230358349
2023-11-09

Pipe Element Having Wedging Groove

 #24
20230313924
2023-10-05

Ear clamp with cuplock hook-system

 #25
20230313923
2023-10-05

BAND CLAMP WITH RIB ON ITS INNER SURFACE

 #26
20230279758
2023-09-07

Continuous pumping operations using decoupled pump maintenance

 #27
20230235838
2023-07-27

Pipe coupling

 #28
20230115967
2023-04-13

Captured element coupling

 #29
20230080901
2023-03-16

Captured element coupling

 #30
20230061916
2023-03-02

Pipe joint

 #31
20230021866
2023-01-26

PIPELINE CONNECTIONS

 #32
20230003320
2023-01-05

Split coupler for pipes

 #33
20220290785
2022-09-15

HOSE JOINT SLEEVE AND HOSE JOINT WITH THE SAME

 #34
20220120364
2022-04-21

Thick-wall compression fitting

 #35
20220074527
2022-03-10

Pre-assembled coupling assembly with cap

 #36
20220057027
2022-02-24

Twin PVC Coupling Connector

 #37
20220042628
2022-02-10

Pre-assembled coupling assembly with flexible hose adapter

 #38
20210404581
2021-12-30

Connection device

 #39
20210332919
2021-10-28

Dig tubes and fittings for tubulars

 #40
20210324685
2021-10-21

INTERLOCKING TUBULAR WITH SECTIONED PARTS AND RELATED METHOD

 #41
20210317934
2021-10-14

RETAINING RING SYSTEM AND METHOD OF USE

 #42
20210301954
2021-09-30

System, method and apparatus for in-line removable pipe assembly

 #43
20210262598
2021-08-26

Pipe coupling

 #44
20210172268
2021-06-10

Clamp assembly

 #45
20210156407
2021-05-27

Band winding type hose clamp

 #46
20210108744
2021-04-15

Pipe coupling apparatus

 #47
20210054954
2021-02-25

Sprung coupling

 #48
20210048129
2021-02-18

Split coupler for pipes

 #49
20200408339
2020-12-31

Clamp connector and a connecting component including the clamp connector

 #50
20200378532
2020-12-03

Three-way clamp and connector prefabricated component including clamp

 #51
20200370749
2020-11-26

Cross compatible adapter for chimney sections with different outer diameters

 #52
20200370700
2020-11-26

Clamp for repair of pipe couplings

 #53
20200370689
2020-11-26

Pipe coupling

 #54
20200318763
2020-10-08

Connection device

 #55
20200224805
2020-07-16

Clamp

 #56
20200208762
2020-07-02

Sprung coupling

 #57
20200149666
2020-05-14

Extended range encapsulation shell

 #58
20200141524
2020-05-07

Air hose coupling securing apparatus for securing air hoses and associated couplings together

 #59
20200132229
2020-04-30

HOSE ARRANGEMENTS

 #60
20200124512
2020-04-23

Pipe tester device

 #61
20200124217
2020-04-23

Magnetic hose coupling for helmet forced air hose

 #62
20200088329
2020-03-19

Pipe element having wedging groove

 #63
20200088328
2020-03-19

No-hub pipe coupling method and apparatus

 #64
20200063903
2020-02-27

Quick connect fitting kit for a plumbed appliance

 #65
20190353286
2019-11-21

Fluid connector with full insertion assurance cap with secondary latches

 #66
20190331283
2019-10-31

Encapsulation sleeve gasket assembly with detachable inner layer

 #67
20190331267
2019-10-31

Fitting Device for Joining Pipes and Rods

 #68
20190308143
2019-10-10

Seawater aeration system

 #69
20190285505
2019-09-19

Water Leak Test System and Method

 #70
20190285208
2019-09-19

Cable Protective Device for a Subsea Cable in an Offshore Wind Farm

 #71
20190285201
2019-09-19

Clamp assembly and method of clamping

 #72
20190271423
2019-09-05

Sprung coupling

 #73
20190178425
2019-06-13

Coupler with non-metallic conductive gasket

 #74
20190162340
2019-05-30

Waste-gas line for a battery in an aircraft

 #75
20190120417
2019-04-25

Repair clamp gasket

 #76
20190093801
2019-03-28

Visual and tactile latch indicator for a fuel system coupling

 #77
20190086006
2019-03-21

SEISMIC GROOVELESS COUPLING

 #78
20190072216
2019-03-07

Grooved joint adapter

 #79
20190063644
2019-02-28

LOCK BAND AND METHOD OF MANUFACTURING

 #80
20190032824
2019-01-31

Pre-assembled coupling assembly with flexible hose adapter

 #81
20190032823
2019-01-31

Pre-assembled coupling assembly with cap

 #82
20190032822
2019-01-31

Split nut arrangement

 #83
20190017637
2019-01-17

Top bar coupling

 #84
20180363810
2018-12-20

Modular precast pipe

 #85
20180347729
2018-12-06

Seal for range of pipe diameters with interlocking layers

 #86
20180328256
2018-11-15

Pipe, especially exhaust gas-guiding pipe

 #87
20180313479
2018-11-01

COUPLING SYSTEM AND A METHOD FOR COUPLING TWO PIPE ENDS

 #88
20180305984
2018-10-25

SELF-LIMITING C-RING SYSTEM AND METHOD

 #89
20180299047
2018-10-18

PIPE FITTING ASSEMBLY

 #90
20180292194
2018-10-11

KIT AND METHOD FOR MEASURING A PIPE COUPLING GROOVE

 #91
20180274698
2018-09-27

Pipe connector systems, devices and methods

 #92
20180259109
2018-09-13

Tool for mounting and dismounting pipe clamp

 #93
20180224030
2018-08-09

System, method and apparatus for in-line removable pipe assembly

 #94
20180187819
2018-07-05

ATTACHMENT FLANGE ASSEMBLY AND METHOD

 #95
20180172157
2018-06-21

Hydraulic tool for use with a clamp connector

 #96
20180156367
2018-06-07

Encapsulation sleeve gasket assembly with removable inner layer

 #97
20180156362
2018-06-07

Coupling member, fluid-device connecting jig, and fluid-device connecting structure

 #98
20180135793
2018-05-17

Fire-resistant pipe coupling

 #99
20180094761
2018-04-05

FLUIDIC PIPING SYSTEM FOR AIRCRAFT AND METHOD FOR REPAIRING SAME

 #100
20180090919
2018-03-29

Integrated piping conduit with adaptor device and method

 #101
20180065163
2018-03-08

Form-rolling device

 #102
20180058614
2018-03-01

Clamp apparatus and method for joining pipeline segments

 #103
20180045149
2018-02-15

Clamped joint device

 #104
20180038526
2018-02-08

Micro-duct reclamation compression coupling

 #105
20170363230
2017-12-21

Hose arrangements

 #106
20170362937
2017-12-21

Underground ventilation apparatus and method

 #107
20170350546
2017-12-07

Locking ratchet effect clamp

 #108
20170328500
2017-11-16

Sprung coupling

 #109
20170321834
2017-11-09

Pipe ram joint

 #110
20170314718
2017-11-02

Part for coaxial connection of two tubes

 #111
20170284575
2017-10-05

Clamping arrangement with elastomeric retaining member

 #112
20170241584
2017-08-24

Repair clamp gasket

 #113
20170234466
2017-08-17

Dig tubes and fittings for tubulars

 #114
20170211731
2017-07-27

Pipe element having wedging groove

 #115
20170146166
2017-05-25

Connecting tubular members

 #116
20170130878
2017-05-11

Pipe coupler

 #117
20170059078
2017-03-02

Pipe coupling

 #118
20170059069
2017-03-02

Fluid conduit connection system with a double undercut clamp

 #119
20170007868
2017-01-12

System and Method for Containing Water from a Broken Fire Sprinkler

 #120
20160377214
2016-12-29

Underwater pipe assembly and method for assembling underwater pipes

 #121
20160363247
2016-12-15

Quick connect system for automotive fluid transport lines

 #122
20160281888
2016-09-29

Pipe connector systems, devices and methods

 #123
20160223110
2016-08-04

Device and method for forming pipe elements

 #124
20160208707
2016-07-21

Conduit assembly and method of utilization

 #125
20160186903
2016-06-30

Drive unit, internal combustion engine, spacer element for a fluid line arrangement, and tool kit for mounting a spacer element

 #126
20160186902
2016-06-30

Clamp for pipe

 #127
20160178098
2016-06-23

Device for connecting tubular pipe elements

 #128
20160076678
2016-03-17

Cylindrical pressure vessel clamping device

 #129
20160069497
2016-03-10

Locking device for pipes

 #130
20160061365
2016-03-03

Sealing arrangement

 #131
20160025253
2016-01-28

Piping conduit adaptor device

 #132
20150375298
2015-12-31

Coupling with extending parting line

 #133
20150369406
2015-12-24

Corrugated tube for protecting a cable, fastener for coupling a housing on the corrugated tube and seal element for sealing the corrugated tube against the housing

 #134
20150369405
2015-12-24

Slip on groove coupling with multiple sealing gasket

 #135
20150338001
2015-11-26

Clip for adjustable pipe fitting

 #136
20150330544
2015-11-19

Duct coupler for post-tensioned concrete member

 #137
20150308601
2015-10-29

Vacuum-pipe connecting member for detecting gas leak

 #138
20150308595
2015-10-29

Connector assembly for connecting pipes

 #139
20150276104
2015-10-01

TUBING JOINT

 #140
20150240688
2015-08-27

Funnel-pipe arrangement

 #141
20150211664
2015-07-30

Slip on groove coupling with multiple sealing gasket

 #142
20150159790
2015-06-11

Jet Pump Slip Joint Seal

 #143
20150159789
2015-06-11

Component connector for connecting cylindrical components

 #144
20150115604
2015-04-30

Systems and methods of coupling pipes

 #145
20150101176
2015-04-16

Method and apparatus for fitting a sleeve

 #146
20150084336
2015-03-26

CORRUGATED PIPE COUPLING AND REPAIR APPARATUS

 #147
20150059891
2015-03-05

Drain assembly for a tank or containment vessel

 #148
20150052733
2015-02-26

Methods of using couplings with projections having angularly oriented surface portions

 #149
20140306449
2014-10-16

Clamping device for coupling smooth tubes together in leaktight manner

 #150
20140286730
2014-09-25

Self-locking device and locking and unlocking equipment thereof

 #151
20140284922
2014-09-25

Dual use coupling end for pipes and fittings

 #152
20140260480
2014-09-18

Methods for manufacture of pipe element having shoulder, groove and bead

 #153
20140210206
2014-07-31

Pipe element having shoulder, groove and bead

 #154
20140191503
2014-07-10

Expandable sealing mechanism

 #155
20140167409
2014-06-19

Jointed bridge for clamp assembly

 #156
20140132000
2014-05-15

TUBULAR ELEMENTS COUPLING

 #157
20140125054
2014-05-08

Coupling with extending parting line

 #158
20140076413
2014-03-20

Slip on groove coupling with multiple sealing gasket

 #159
20140008911
2014-01-09

Coupling device

 #160
20140001754
2014-01-02

Connecting device of large-diameter compressed air conveying pipe

 #161
20140001753
2014-01-02

Slip on groove coupling with multiple sealing gasket

 #162
20140001709
2014-01-02

Multilayer hydraulic seal assembly for clamp

 #163
20130315672
2013-11-28

Method and apparatus for protecting pipe installed underground

 #164
20130313825
2013-11-28

Coupler method and apparatus for installing pipe with a protective cover into borehole

 #165
20130306184
2013-11-21

Foldable HVAC conduit and duct collar

 #166
20130292935
2013-11-07

Preassembled media line

 #167
20130181444
2013-07-18

Splicing ring for tubular high-pressure fluid conduits

 #168
20130125373
2013-05-23

COUPLING WITH PROJECTIONS HAVING ANGULARLY ORIENTED SURFACE PORTIONS

 #169
20130076020
2013-03-28

Split test boot

 #170
20120299295
2012-11-29

Clamp assembly with resilient band having notches

 #171
20120280494
2012-11-08

Slip on groove coupling with multiple sealing gasket

 #172
20120242083
2012-09-27

Pipe coupling

 #173
20120139236
2012-06-07

Pipe element having shoulder, groove and bead and methods and apparatus for manufacture thereof

 #174
20120124804
2012-05-24

Slip on groove coupling with multiple sealing gasket

 #175
20120061862
2012-03-15

Modular diffuser body and aeration system

 #176
20110315692
2011-12-29

Pressure vessel for a high pressure press

 #177
20110306278
2011-12-15

Wall polishing machine

 #178
20110272888
2011-11-10

Slip joint with clamp

 #179
20110095520
2011-04-28

PIPE COUPLING WITH SEAL PRESSING DEVICE

 #180
20100253067
2010-10-07

Preassembled media line

 #181
20100123308
2010-05-20

Retaining arrangement, sub adaptor and/or drill spindle

 #182
20100117360
2010-05-13

Conduit joining apparatus

 #183
20100101677
2010-04-29

COVERING DEVICE

 #184
20100012069
2010-01-21

SEALING SYSTEM

 #185
20100007139
2010-01-14

COUPLER FOR CONNECTING METAL AND PLASTIC PIPES

 #186
20100001521
2010-01-07

Slip on groove coupling with multiple sealing gasket

 #187
20090021003
2009-01-22

Device and method for coupling a conduit

 #188
20080303266
2008-12-11

Coupling apparatus

 #189
20080277015
2008-11-13

Protector

 #190
20080221469
2008-09-11

FITTING AND FLUID-CONVEYING DEVICE CONNECTED THERETO

 #191
20080169645
2008-07-17

Coupler for joining plastic and concrete pipe

 #192
20080106096
2008-05-08

Doubled-up pipe coupling

 #193
20080054637
2008-03-06

Split ring assembly to lock a cam pipe coupling

 #194
20080012337
2008-01-17

Vacuum Tight Coupling For Tube Sections

 #195
20070152445
2007-07-05

Coupling apparatus

 #196
20060273589
2006-12-07

Device for the connection of high-pressure conduit pipes

 #197
20060255592
2006-11-16

Splicing Device and Method for Sealing Conduit Spaces

 #198
20060220381
2006-10-05

Interchangeable pipe coupling

 #199
20060208486
2006-09-21

Pipe joint device by flange

 #200
20060082142
2006-04-20

Exhaust system

 #201
20060042090
2006-03-02

Method and apparatus for forming leak-proof coupling for beverage distribution system

 #202
20060022465
2006-02-02

Pipe joint structure

 #203
20050248098
2005-11-10

Gasket for a coupler upon a rail car, tank trailer, or related means

 #204
20050212294
2005-09-29

Toggle locked coupling

 #205
20050184523
2005-08-25

Quick-connect/quick-disconnect conduit connectors

 #206
20050104376
2005-05-19

Means for coupling conduit

 #207
20050099003
2005-05-12

Gasket for acid waste couplings

 #208
20050081380
2005-04-21

Pipe coupling methods

 #209
20050046184
2005-03-03

Apparatus for quick connection

 #210
20050028345
2005-02-10

Pipe coupling methods

 #211
20050023824
2005-02-03

Conduit coupling assembly

 #212
18818903
2026-01-13

Ratchet clamp for pipe coupling

 #213
17505773
2023-12-26

Securing tool

 #214
17479544
2023-10-03

Quick coupling system for vertical fluid conveying conduits

 #215
17232740
2024-02-20

Securing tool

 #216
17199837
2024-07-02

Direct drive connector sleeve

 #217
15663767
2018-02-13

Clamping ring with improved connecting structure

 #218
15496696
2020-02-18

Compactable pipe T for poly irrigation tubing

 #219
15448963
2018-05-29

Pipe coupling

 #220
15370804
2017-03-21

Sleeve tool and method of use

 #221
15363894
2020-02-04

Overcenter pipe clamp and method for lay flat tubing

 #222
14705014
2016-12-06

Flange clamp with an automatic fail safe

 #223
14567515
2015-12-01

Hose splice installation assembly

 #224
14269216
2015-10-06

Pipe coupling with seal pressing device

 #225
13935907
2017-05-02

Multipurpose connector system

 #226
13757344
2015-03-03

Two-piece split coupler for coupling large-diameter plastic corrugated pipe