ClassID:

153389

F16L55/1141 - 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; Plugs the plug being made of elastic material

Recent Application in this class:
#1
20260002545
2026-01-01

Water Pump Drain Plug System

#2
20250003543
2025-01-02

Expandable Tapered Pin Plug For Heat Exchangers and Air Cooled Heat Exchangers

#3
20240301982
2024-09-12

EXPANSION PLUG AND SYSTEM AND METHOD EMPLOYING SAME

#4
20240230006
2024-07-11

PIPE PLUG

#5
20240133501
2024-04-25

PIPE PLUG

#6
20240077163
2024-03-07

LINED MAINLINE SERVICE SEALING AND REINFORCEMENT INSERT AND METHOD OF INSTALLATION THEREOF

#7
20230279980
2023-09-07

SINGLE OR MULTI-DUROMETER ELASTOMER, SELF-ACTUATING, DYNAMIC, STRESS SUPPRESSOR FOR HOT TAPPING TOOLS

#8
20230225282
2023-07-20

Short milk tube vent plug for a dairy animal milker unit

#9
20230194032
2023-06-22

Sealing Element for Pipes

#10
20230136680
2023-05-04

Drain plug with perimeter labyrinth for casings of rotary electric machines and corresponding casing

#11
20230047066
2023-02-16

Packing seal assembly

#12
20220390056
2022-12-08

Medium Pressure Greater Expansion Tube Plug For Heat Exchangers

#13
20220381389
2022-12-01

Expandable tapered pin plug for heat exchangers and air cooled heat exchangers

#14
20220356979
2022-11-10

SEALING ELEMENT FOR PIPES

#15
20220356975
2022-11-10

Waste Pipe Fitting Assembly

#16
20220313034
2022-10-06

Toilet plug

#17
20220290931
2022-09-15

Heat exchanger tube plug

#18
20220282819
2022-09-08

Plug assembly

#19
20220154867
2022-05-19

SEALING ELEMENT FOR PIPES

#20
20220128183
2022-04-28

Flexible, foldable foreign material exclusion device

#21
20210404590
2021-12-30

METHOD AND APPARATUS FOR PREVENTING BASEMENT DRAIN OVERFLOW

#22
20210318198
2021-10-14

Drainpipe test plug with pressure assisted plug seal

#23
20210310596
2021-10-07

Apparatus for sealing a pipe

#24
20210164598
2021-06-03

Cover

#25
20210131601
2021-05-06

Fluid plug for sterile processes and methods of using the same

#26
20200378207
2020-12-03

Sealing profile protector

#27
20200376150
2020-12-03

Method and apparatus for RV/marine toilet bowl seal conditioning and odor control

#28
20200309309
2020-10-01

Pneumatic plug with sealing layer

#29
20200309308
2020-10-01

DOUBLE-BLOCK AND BLEED (DBB) LINE-STOPPING TOOL, SEALS THEREFOR, AND METHODS OF LINE ISOLATION

#30
20200309307
2020-10-01

Pneumatic Plug System And Method

#31
20200232872
2020-07-23

DRAINPIPE TEST PLUG WITH EXTERNAL VALUE AND GAUGE

#32
20200232591
2020-07-23

Secure, trackable foreign material exclusion device

#33
20200208520
2020-07-02

Sealing system

#34
20200088337
2020-03-19

Fluid plug for sterile processes and methods of using the same

#35
20200018435
2020-01-16

Pipeline plug

#36
20200003352
2020-01-02

Flow restriction system

#37
20190316725
2019-10-17

AN APPARATUS FOR SEALING A PIPE

#38
20190128464
2019-05-02

Assembly and Method for Plugging and Unplugging a Port

#39
20190128463
2019-05-02

Plug system for increased retention and sealing

#40
20190091810
2019-03-28

DATA ACQUISITION USING A PURGE PLUG

#41
20190086017
2019-03-21

TOOLS AND METHODS FOR SETTING A PLUG INSIDE A PIPE

#42
20190078718
2019-03-14

Pipeline plug

#43
20180363826
2018-12-20

Foreign material exclusion device and retaining member therefor

#44
20180306370
2018-10-25

Plug with handle

#45
20180238483
2018-08-23

Detachable system to shut off pressure flow in pipes

#46
20180163418
2018-06-14

Hole cover

#47
20180051843
2018-02-22

Pipe Multifold Line Plug

#48
20180051842
2018-02-22

Pipe multifold line plug with fluid opening

#49
20170292619
2017-10-12

Structure for forming fluid path

#50
20170284110
2017-10-05

Sealing plug for closing holes in walls and the like

#51
20170254453
2017-09-07

Fluid connector having a deformable tab and plug/connector assembly

#52
20170030504
2017-02-02

Plug For A Pipe Opening

#53
20160348826
2016-12-01

Methods for Reducing Fluid Loss in Fluid-Bearing Systems

#54
20160326828
2016-11-10

Drill hole plug with anchoring grooves and at least one sealing groove

#55
20160319978
2016-11-03

DEPLOYABLE PLUG SYSTEM

#56
20160201839
2016-07-14

Fuel Line Plug and Clasp for Model Airplane Engine

#57
20160069370
2016-03-10

Closed rivet plug

#58
20160067557
2016-03-10

Shaft plugs for golf clubs and methods to manufacture golf clubs

#59
20160060873
2016-03-03

Method of installing exhaust tube

#60
20160053995
2016-02-25

Method of installing exhaust tube

#61
20160040819
2016-02-11

Assembly for blocking cooling water channel in mold

#62
20150377393
2015-12-31

Hydraulic connecting bush, hydraulic connection, and hydraulic plug

#63
20150316194
2015-11-05

Selectively pressurizable foreign material exclusion device

#64
20150300760
2015-10-22

Maximum expansion plug for heat exchanger tubes

#65
20150300553
2015-10-22

Maximum expansion plug for heat exchanger tubes

#66
20150276116
2015-10-01

Sealing device

#67
20150240983
2015-08-27

Deployable plug system

#68
20150211686
2015-07-30

METHOD AND APPARATUS FOR ABANDONING OR ISOLATING AN UNDERGROUND PIPELINE

#69
20150184783
2015-07-02

Reinforced plug

#70
20150184782
2015-07-02

Reinforced plug

#71
20150129073
2015-05-14

Quick-release end cap with identification card

#72
20150101695
2015-04-16

Sealing device, aircraft engine provided with such a sealing device and method for placing such a sealing device in an aircraft engine

#73
20150034197
2015-02-05

Closure element for pipe ends

#74
20140338616
2014-11-20

Grommet seal, center diversion shaft and methods of making and using the same

#75
20140333063
2014-11-13

Data acquisition using a purge plug

#76
20140300099
2014-10-09

Quick connect/disconnect adaptor system

#77
20140274447
2014-09-18

Shaft plugs for golf clubs and methods to manufacture golf clubs

#78
20140261831
2014-09-18

Foreign material exclusion device

#79
20140252016
2014-09-11

Reinforced plug

#80
20140137971
2014-05-22

Dual inflatable plug assembly

#81
20130241159
2013-09-19

Sealing device and method

#82
20130239482
2013-09-19

Apparatus and method for remotely blocking a cavity of an energized electrical transmission system

#83
20130160885
2013-06-27

Inflatable device for blocking chimney flues or other ducts

#84
20130048130
2013-02-28

Dual inflatable plug assembly

#85
20120227854
2012-09-13

Open ended industrial pipe cap with recessed finger grip

#86
20120118547
2012-05-17

Tube plug for a heat exchanger tube

#87
20110274515
2011-11-10

Plugs With Dimensional Tolerance Absorbing Hold-In Surfaces

#88
20110180542
2011-07-28

METHODS FOR REDUCING FLUID LOSS IN FLUID-BEARING SYSTEMS

#89
20110155273
2011-06-30

System and methods for multiple service line plug deployment

#90
20110008557
2011-01-13

"Compression-molded silicone rubber cap and plug"

#91
20100006161
2010-01-14

Plug assembly

#92
20100006157
2010-01-14

Combination cap and plug assembly

#93
20090091127
2009-04-09

Saddle end cap

#94
20080318511
2008-12-25

Ceiling wall and floor register assembly

#95
20080309078
2008-12-18

Damping conduit assembly provided with a connecting unit for a hydraulic circuit

#96
20080236691
2008-10-02

Lift hole plug

#97
20080173360
2008-07-24

Clean out tube check valve

#98
20080141574
2008-06-19

Color-coded identification plug

#99
20080066820
2008-03-20

Plug kit

#100
20080029176
2008-02-07

Plug for a hydraulic fitting

#101
20080011375
2008-01-17

COMBINATION CAP AND PLUG

#102
20070246468
2007-10-25

Cryogenic, elastomeric closure for cryogen containers

#103
20070007732
2007-01-11

Tear-out coupling and water line

#104
20060254660
2006-11-16

Method and apparatus for temporarily stopping the flow in a live fluid carrying pipe

#105
20060001264
2006-01-05

Absorbent plugs and caps for air conditioning and refrigeration fittings

#106
20050241711
2005-11-03

Removable closure system and plug for conduit

#107
20050109412
2005-05-26

Retaining device for a tube plug

#108
20050011566
2005-01-20

Hydraulic pipe sleeve

#109
16847166
2021-11-09

Pipe fitting mount

#110
16592871
2021-12-14

Bushing shield for fire detection

#111
15649671
2019-02-26

Removable oil pipeline branch plug

#112
14319623
2015-04-28

Deployable culvert plug system

#113
14279672
2016-05-17

Water pipe end cap

#114
14043596
2015-06-16

Friction stir weld plugs and methods of using thereof