ClassID:

153390

F16L55/115 - CPC Classification

Classification description:

Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Means for stopping flow from or in pipes or hoses Caps

Sub-classes:
Recent Application in this class:
#1
20250361967
2025-11-27

LOCKING CAP FOR FIRE DEPARTMENT CONNECTIONS

#2
20250230663
2025-07-17

Weather Head Top Cap Device

#3
20250198376
2025-06-19

DELIVERY PIPE FOR ENGINE

#4
20250155061
2025-05-15

Magnetic Fluid Connector

#5
20250122968
2025-04-17

SYSTEMS OF REMOVABLY ATTACHABLE SAFETY CAPS AND PLUGS FOR TEMPORARILY SEALING OFF FLUID LINES AND IDENTIFYING THE FLUID LINES, AND METHODS

#6
20250060062
2025-02-20

APPARATUS FOR REMOVABLE MOUNTING OF A HOSE INTO AN AIR-CONDITIONING DUCT

#7
20240353281
2024-10-24

PLUMBING TEST CAP AND SYSTEM FOR RUPTURING THE SAME

#8
20240344642
2024-10-17

COMPRESSION FITTING

#9
20240247748
2024-07-25

Locking cap for fire department connections

#10
20240240739
2024-07-18

HYGIENIC FITTING FOR SANITARY PROCESSING EQUIPMENT

#11
20240142133
2024-05-02

Magnetic Vent Cover

#12
20240060590
2024-02-22

AN END STOP FOR A FIBRE OPTIC CABLE TUBE

#13
20240027007
2024-01-25

Magnetic Fluid Connector

#14
20230392742
2023-12-07

Air block cap for drain pan fitting and associated method

#15
20230323994
2023-10-12

Water port closure assembly

#16
20230304622
2023-09-28

IMPROVEMENTS IN PIPELINE NETWORKS

#17
20230279981
2023-09-07

TEMPORARY TRAP DOOR CAP

#18
20230055983
2023-02-23

LIQUID INTAKE WITH REMOVABLE COVER

#19
20220186870
2022-06-16

Cap for risers in concrete decks

#20
20220163161
2022-05-26

APPARATUS FOR HANDLING PROTECTORS FOR ELONGATE OBJECTS

#21
20220154869
2022-05-19

Indicator cap for pipe penetrations

#22
20220128183
2022-04-28

Flexible, foldable foreign material exclusion device

#23
20220074527
2022-03-10

Pre-assembled coupling assembly with cap

#24
20220047901
2022-02-17

Magnetic quick connect

#25
20220042628
2022-02-10

Pre-assembled coupling assembly with flexible hose adapter

#26
20220034438
2022-02-03

Toilet Flange Cover

#27
20220026007
2022-01-27

Pipe Cap Assembly

#28
20220003049
2022-01-06

Protector for the ends of an elongate member

#29
20210396339
2021-12-23

Locking cap for fire department connections

#30
20210372553
2021-12-02

Closure for pressure vessel or pipeline

#31
20210254713
2021-08-19

Fastening of a cover to a housing

#32
20210239274
2021-08-05

INSPECTION PORT SYSTEM FOR THERMALLY INSULATED PIPES, VESSELS, AND THE LIKE

#33
20210155345
2021-05-27

Plumbing vent cap remote removal system

#34
20210108753
2021-04-15

Cap having a low cost construction and a self retaining feature

#35
20200386352
2020-12-10

Cap loosening prevention device

#36
20200352222
2020-11-12

Water pipe with lid that covers the bowl and mouthpiece, and related methods of assembly and use

#37
20200326024
2020-10-15

Range of Rapid Couplers with Different Coupler Cartridges

#38
20200166170
2020-05-28

Floatable pipe combination

#39
20200096149
2020-03-26

Cap for risers in concrete decks

#40
20200049300
2020-02-13

Gap filling shipping cap for leveraged refrigerant fitting

#41
20190366289
2019-12-05

Vessel closure device with fail safe failure detection means

#42
20190360627
2019-11-28

Anti-debris device for covering connectors in fluid system

#43
20190264643
2019-08-29

End cap

#44
20190219212
2019-07-18

Blind flange and method of installing same for isolating hazardous energy within a facility

#45
20190154179
2019-05-23

Duct cleaning access door

#46
20190145568
2019-05-16

Quick coupling with volume displacement passage

#47
20190120415
2019-04-25

WEATHER CAP WITH SECURING TABS

#48
20190078707
2019-03-14

Hose assembly for bulkhead of marine vessel

#49
20190032824
2019-01-31

Pre-assembled coupling assembly with flexible hose adapter

#50
20190032823
2019-01-31

Pre-assembled coupling assembly with cap

#51
20190009353
2019-01-10

Pipe joint, fluid control device, fluid control unit, semiconductor fabrication apparatus and method of forming pipe joint

#52
20180306364
2018-10-25

Waterproof quick coupler

#53
20180283592
2018-10-04

Vent hose cap

#54
20180274711
2018-09-27

Protector for threaded end of a tubular component with flexible seal

#55
20180266609
2018-09-20

Device and method for intervening on a branch of a fluid conduit

#56
20180193677
2018-07-12

Gas delivery system

#57
20180149299
2018-05-31

Plumbing access cover

#58
20180135792
2018-05-17

Universal thread protector

#59
20180104149
2018-04-19

CONTAINMENT AND TRANSFER DEVICE FOR HIGHLY ACTIVE OR SENSITIVE COMPOUNDS

#60
20180088009
2018-03-29

Bi-directional valveless sampling port for use with gas sampling bags

#61
20170268712
2017-09-21

Apparatus, system, and method for tubing caps

#62
20170234473
2017-08-17

Bicycle hydraulic hose cap and bicycle hydraulic hose assembly

#63
20170208869
2017-07-27

Atomizer and electronic cigarette having same

#64
20170130890
2017-05-11

Hydraulic manifold cap web

#65
20170130889
2017-05-11

Watershed protection device and system

#66
20160329656
2016-11-10

Dust and debris tolerant retractable cover connector

#67
20160329655
2016-11-10

Self-cleaning filament connector

#68
20160329653
2016-11-10

Dust and debris tolerant dual poppet valve connector

#69
20160298731
2016-10-13

Oil seal cap and eccentric oscillation-type gear device including the same

#70
20160131296
2016-05-12

Pipe cap

#71
20160102799
2016-04-14

ANTI-DEBRIS DEVICE FOR COVERING CONNECTORS IN FLUID SYSTEM

#72
20160060873
2016-03-03

Method of installing exhaust tube

#73
20160053995
2016-02-25

Method of installing exhaust tube

#74
20150330549
2015-11-19

Conduit sleeve with detachable end cap

#75
20150300552
2015-10-22

Tube cap

#76
20150184783
2015-07-02

Reinforced plug

#77
20150184782
2015-07-02

Reinforced plug

#78
20150069749
2015-03-12

Inflow prevention coupler

#79
20150000779
2015-01-01

End closure device

#80
20140374421
2014-12-25

Security lid

#81
20140361028
2014-12-11

ACCESS PORT COVER SYSTEM

#82
20140338705
2014-11-20

Duct cleaning clamp and duct cleaning access door

#83
20140326324
2014-11-06

Apparatus and method for sealing a pipe including internal and external gripping means

#84
20140261830
2014-09-18

Pipe coupling

#85
20140261497
2014-09-18

Suction nozzle cover and electronic cigarette

#86
20140252016
2014-09-11

Reinforced plug

#87
20140224370
2014-08-14

Closure element for bores subjected to internal pressure

#88
20140020780
2014-01-23

Clamping apparatus for stopping a tube

#89
20140007960
2014-01-09

FUEL DELIVERY PIPES

#90
20130285365
2013-10-31

Magnetic capping device and method

#91
20130277368
2013-10-24

End cap for a hydraulic fitting

#92
20130248037
2013-09-26

Closure assembly for pipe end

#93
20130175002
2013-07-11

PROCESS FOR CREATING INJECTION MOLDED TOP AND BOTTOM CAPS SECURED TO OPPOSITE ENDS OF AN ELONGATED PIPE USED IN A GEOTHERMAL HEAT RECOVERY OPERATION

#94
20130167963
2013-07-04

Quick release tire stem cap

#95
20120319313
2012-12-20

Magnetically coupled humidifier components

#96
20120318375
2012-12-20

Quick release tire stem cap

#97
20120247607
2012-10-04

SANITARY CAP AND SYSTEM

#98
20120167365
2012-07-05

Encapsulating device

#99
20120085443
2012-04-12

Quick coupling

#100
20120031177
2012-02-09

Sealing head for an installation for fluid tests on an aircraft turbine engine part

#101
20120024415
2012-02-02

End cap for a hydraulic fitting

#102
20110307105
2011-12-15

Custom clamps for deep-sea oil containment

#103
20110304138
2011-12-15

Extended flange plumbing for deep-sea oil containment

#104
20110253667
2011-10-20

Expansion seal, especially for gases

#105
20110146825
2011-06-23

CONDUIT CLOSURE

#106
20110113612
2011-05-19

ENGINE FITTING AND METHOD OF ASSEMBLING VEHICLES

#107
20110011859
2011-01-20

Device for transfer of product from refill container to applicator container without exposure to atmosphere

#108
20110008557
2011-01-13

"Compression-molded silicone rubber cap and plug"

#109
20100276127
2010-11-04

METAL SILICONE HYBRID INSULATING STRUCTURES AND METHODS THEREFOR

#110
20100200098
2010-08-12

Closed end cap for industrial pipes

#111
20100186484
2010-07-29

Apparatus and Method for Isolating or Testing a Pipe Segment with Axial Reinforcement

#112
20100176127
2010-07-15

Fast acting gate

#113
20100154988
2010-06-24

Fusible completion plug

#114
20100066073
2010-03-18

Engine fitting and method of assembling vehicles

#115
20100037977
2010-02-18

UNIVERSAL PIPE CAP

#116
20100006161
2010-01-14

Plug assembly

#117
20100006157
2010-01-14

Combination cap and plug assembly

#118
20090315324
2009-12-24

End cap for a hydraulic fitting

#119
20090218532
2009-09-03

Line stop adapter

#120
20090188577
2009-07-30

Plumbing test cap with pivotal latch

#121
20090165882
2009-07-02

Cap and plug masking or shipping

#122
20090090078
2009-04-09

COMBINATION PIPE TEST CAP AND CONCRETE SLEEVE

#123
20080308567
2008-12-18

TML inspection port

#124
20080290612
2008-11-27

Seal ring for plug

#125
20080196768
2008-08-21

Combination tethered protective-cap and pressure cap

#126
20080105683
2008-05-08

CAP FOR DETACHABLY COVERING OUTLET OPENING OF FUEL GAS VALVE

#127
20080092977
2008-04-24

Cap and plug for masking or shipping

#128
20080054629
2008-03-06

Tube End Connector

#129
20080011375
2008-01-17

COMBINATION CAP AND PLUG

#130
20070144600
2007-06-28

Vented barrier cover

#131
20070090122
2007-04-26

Textured vinyl pull cap

#132
20060081300
2006-04-20

Apparatus for capping plumbing vent pipes during pressure testing

#133
20060032292
2006-02-16

Testing device for seal bodies

#134
20060001264
2006-01-05

Absorbent plugs and caps for air conditioning and refrigeration fittings

#135
20050263201
2005-12-01

Closure for a plumbing cleanout

#136
20050212295
2005-09-29

A/C pipe containment cap and method

#137
20050166985
2005-08-04

Flue cap

#138
20050155659
2005-07-21

Reversible dual size plumbing end cap

#139
20050005984
2005-01-13

Mechanically removable hygienic end cap

#140
19013419
2025-11-25

Devices and methods for application of a cover to an opening of variable sizes

#141
18153712
2023-11-28

Cured-in-place-pipe (CIPP) end cap internal roller apparatus

#142
17960633
2025-03-18

Transition coupling assembly and method

#143
17946199
2025-08-19

Pool aerator valve protective sealing cover

#144
16592871
2021-12-14

Bushing shield for fire detection

#145
16519663
2021-11-23

Pull off pipe cap

#146
14963618
2017-04-25

Toilet drain line cap

#147
13548027
2015-11-03

Conduit cover with wedging arms

#148
13456982
2016-04-05

Pipe installation transition fitting and pipe installation method