ClassID:

152798

F16L7/02 - CPC Classification

Classification description:

Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic and sealing the pipes or cables inside the other pipes, cables or sleeves

Recent Application in this class:
#1
20250289190
2025-09-18

METHOD AND APPARATUS TO ASSEMBLE A HIGH PURITY LIQUID DISTRIBUTION SYSTEM

#2
20250143285
2025-05-08

CONDUIT PLUG FOR PROTECTING ELECTRICAL WIRES

#3
20240336018
2024-10-10

METHOD AND APPARATUS TO ASSEMBLE A HIGH PURITY LIQUID DISTRIBUTION SYSTEM

#4
20240239454
2024-07-18

METHOD OF ASSEMBLING A VESSEL OVERBOARD DISCHARGE ASSEMBLY

#5
20230009178
2023-01-12

Method and apparatus to assemble a high purity liquid distribution system

#6
20210364105
2021-11-25

Seal on the interstice of double-walled fiberglass pipe

#7
20210328420
2021-10-21

Cable sealing device and cable sealing system

#8
20200384703
2020-12-10

Method and apparatus to assemble a high purity liquid distribution system

#9
20200271245
2020-08-27

Trenchless methods for forming curved hole channel with steel sleeve and pipeline lifting

#10
20200240571
2020-07-30

Super-long thermal insulation steel jacket pipe and machining process thereof

#11
20200032930
2020-01-30

Device for sealing between two coaxial ducts and assembly

#12
20190128992
2019-05-02

Ducts with information modules and methods of use and manufacture thereof

#13
20190010703
2019-01-10

Sealing ring and assembly of ducts including said ring

#14
20180331518
2018-11-15

SYSTEM AND METHOD FOR LAYING CABLES AND THE LIKE THROUGH FLUID PIPES

#15
20180313376
2018-11-01

HEAT SHRINK CLAMPING SYSTEM FOR JOINING TWO OR MORE FLUID CONDUITS IN A VEHICLE

#16
20180087694
2018-03-29

Subsea pipe-in-pipe structures

#17
20180087327
2018-03-29

Termination bulkheads for subsea pipe-in-pipe systems

#18
20180051539
2018-02-22

Sealing arrangements for subsea pipe-in-pipe systems

#19
20180038520
2018-02-08

Anti-slide device for the self-centering of an inner tube inside an outer tube of an element of unit length of a subsea pipeline for transporting fluids

#20
20180023767
2018-01-25

Sealing arrangements for subsea pipe-in-pipe systems

#21
20170299177
2017-10-19

Exhaust tube holding member and exhaust structure for combustion

#22
20170219124
2017-08-03

Ducts with information modules and methods of use and manufacture thereof

#23
20170184225
2017-06-29

Column-attaching device and ferrule set

#24
20170130960
2017-05-11

Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter

#25
20160061343
2016-03-03

Flow control valve

#26
20150369404
2015-12-24

Bi-directional seal assembly

#27
20150056903
2015-02-26

Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter

#28
20140305517
2014-10-16

Fluid spill containment, location, and real time notification device with acoustic based sensor

#29
20140182706
2014-07-03

Fluid spill containment, location, and real time notification device and system

#30
20130106060
2013-05-02

Assembly and a method for providing in an opening sealing system

#31
20130092275
2013-04-18

Dual Containment Pipe End Cap

#32
20130038021
2013-02-14

Annular seal

#33
20120312560
2012-12-13

SEALING APPARATUS AND METHOD FOR FORMING A SEAL IN A SUBTERRANEAN WELLBORE

#34
20120312102
2012-12-13

FORCE SENSING DEVICE AND METHODS FOR PREPARING AND USES THEREOF

#35
20120169040
2012-07-05

FERRULE FOR MAKING FINGERTIGHT COLUMN CONNECTIONS IN GAS CHROMATOGRAPHY

#36
20110260451
2011-10-27

Barrier seal and assembly incorporating same

#37
20110227296
2011-09-22

Bi-directional seal assembly

#38
20110156354
2011-06-30

Conduit duct with sequence of layers

#39
20110061759
2011-03-17

Adjustable tube assembly

#40
20100325861
2010-12-30

Multi-layer tubular conduit

#41
20100320695
2010-12-23

Annular seal

#42
20100301602
2010-12-02

Interfitting tubular members

#43
20100237606
2010-09-23

END SEAL FOR PIPELINE

#44
20100164176
2010-07-01

System and method for sealing in a conduit a space between an inner wall of the conduit and at least one pipe or cable extending through the conduit

#45
20100133806
2010-06-03

Ferrule for making fingertight column connections in gas chromatography

#46
20090152817
2009-06-18

ENERGIZED DYNAMIC SEAL USED IN OIL WELL EQUIPMENT

#47
20090058017
2009-03-05

Downhole tubular seal system and method

#48
20080296890
2008-12-04

Cryogenic pipeline configurations and methods

#49
20070290454
2007-12-20

Encapsulated back-up system for use with seal system

#50
20070107793
2007-05-17

Liquid transfer pipe and liquid transfer system

#51
20070052140
2007-03-08

Underground pipe and method of securing conduits

#52
20060232019
2006-10-19

Encapsulated back-up system for use with seal system

#53
20060108791
2006-05-25

Semiconductor apparatuses and pipe supports thereof

#54
20060028016
2006-02-09

Apparatus for the sealed fixing of a tube at the point where it enters a receptacle

#55
20050206086
2005-09-22

Seal assembly

#56
20050200084
2005-09-15

Seal assembly for dividing an annular space in a double-walled pipeline

#57
20050150983
2005-07-14

Flexible hose device for spraying purposes

#58
20050103489
2005-05-19

Heated windable rigid duct for transporting fluids, particularly hydrocarbons

#59
20050103393
2005-05-19

Tubular insulating apparatus and method

#60
20050062235
2005-03-24

Annular seal

#61
15970390
2020-04-21

Cable protector sleeve