ClassID:

174316

G02B6/4427 - CPC Classification

Classification description:

Light guides; Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables; Optical cables; Cables for special applications Pressure resistant cables, e.g. undersea cables

Sub-classes:
Recent Application in this class:
#1
20260056383
2026-02-26

UNDERWATER OPTICAL FIBRE SYSTEM

#2
20260046035
2026-02-12

WIRED LIGHT FIDELITY FOR UNDERWATER COMMUNICATION

#3
20260023236
2026-01-22

MULTI-METAL CONDUCTOR UNDERSEA CABLE AND METHOD OF MANUFACTURE

#4
20250310668
2025-10-02

SUBMARINE BRANCHING UNIT

#5
20250309988
2025-10-02

POWER SUPPLY CIRCUIT, REPEATER, AND POWER FEEDING METHOD IN REPEATER

#6
20250237831
2025-07-24

HIGH FIBER COUNT UNDERSEA CABLE

#7
20240404731
2024-12-05

DC POWER CABLE SYSTEM COMPRISING A REPEATER

#8
20240393144
2024-11-28

Fibre Optic Cables for Sensing

#9
20240280775
2024-08-22

DETECTION OF SINGLE POINTS OF FAILURE IN MULTIPLE SHARED RISK LINK GROUPS

#10
20240103215
2024-03-28

FIBER SENSING BY MONITORING POLARIZATION FUNCTION OF LIGHT ON SUPERVISORY PATH OF CABLES

#11
20240090158
2024-03-14

UNDERWATER DATA CENTER SYSTEMS WITH CABLES, OPTICAL FIBERS AND SENSORS

#12
20240045163
2024-02-08

HYBRID TELECOMMUNICATION CABLE

#13
20240039267
2024-02-01

SUBMARINE CABLE ARCHITECTURE WITH REDUNDANCY FOR FACILITATING SHARED LANDING SITE

#14
20230407711
2023-12-21

ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPERATIONS

#15
20230174339
2023-06-08

CABLE-COILING SYSTEM

#16
20230154653
2023-05-18

Underwater umbilical cable which is capable of temperature and vibration measuring and three-dimensional shape reconstruction

#17
20230141958
2023-05-11

Section and assembly comprising a plurality of such sections

#18
20230090500
2023-03-23

Submarine cable interface for connection to terrestrial terminals

#19
20230063952
2023-03-02

Detection of single points of failure in multiple shared risk link groups

#20
20220390696
2022-12-08

SUBMARINE OPTICAL AMPLIFIER FOR OPTICAL TELECOMMUNICATION SYSTEMS AND RELATED PRODUCTION PROCESS

#21
20220341268
2022-10-27

ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPERATIONS

#22
20220321235
2022-10-06

Submarine cable interface for connection to terrestrial terminals

#23
20220308301
2022-09-29

Submarine optical cable system

#24
20220294539
2022-09-15

UNDERWATER OPTICAL COMMUNICATION DEVICE

#25
20220260797
2022-08-18

Junction device, and undersea cable system

#26
20220221676
2022-07-14

HYBRID ELECTRO-OPTICAL CABLE HAVING A HYDROGEN DELAY BARRIER

#27
20220182170
2022-06-09

Integrated 3-way branching unit switch module having small footprint

#28
20220139595
2022-05-05

Submarine power cable with curvature monitoring capability

#29
20220085896
2022-03-17

Three-way branching unit switch module having small footprint

#30
20220066113
2022-03-03

GAS PRESSURE MAINTAINING AND ADJUSTING DEVICE, AND MICROSTRUCTURE OPTICAL FIBER AND PREPARATION METHOD THEREOF

#31
20220050249
2022-02-17

Two-part and terminal connectors with conductor management device for use in hazardous environments

#32
20210410322
2021-12-30

Electric device

#33
20210306076
2021-09-30

UNDERSEA REPEATER AND LIGHT-AMPLIFYING METHOD

#34
20210302678
2021-09-30

Submarine cable branching units with fiber pair switching

#35
20210175699
2021-06-10

Submarine cable architecture with redundancy for facilitating shared landing site

#36
20210075519
2021-03-11

Submarine optical transmission apparatus and submarine optical communication system

#37
20200400889
2020-12-24

Submarine optical system with free space optical add/drop multiplexer

#38
20200301086
2020-09-24

Hybrid Cable Usable Downhole

#39
20200295844
2020-09-17

OPTICAL RECEIVER, OPTICAL TRANSMISSION SYSTEM, SUBMARINE OPTICAL CABLE SYSTEM, AND OPTICAL SIGNAL RECEIVING METHOD

#40
20200259584
2020-08-13

Submarine branching apparatus, optical submarine cable system, and optical communication method

#41
20200192064
2020-06-18

Lens module and electronic device including gas escape structure

#42
20200162163
2020-05-21

Low signal to noise ratio submarine communication system

#43
20200073069
2020-03-05

Fiber optic sensor and system including a fiber of an optical cable as a sensor fiber

#44
20200052788
2020-02-13

Submarine cable network architecture

#45
20200044433
2020-02-06

System for connecting submarine cables

#46
20200033542
2020-01-30

Submarine cable branching units with fiber pair switching

#47
20190313547
2019-10-10

Submarine optical repeater with high voltage isolation

#48
20190212516
2019-07-11

Fiber optic cable for inhibiting breaching fluid flow

#49
20190199447
2019-06-27

Submarine optical cable shore landing apparatus

#50
20190086624
2019-03-21

Submarine communications cable, and method and device for the production thereof

#51
20190013112
2019-01-10

Shaped filler for cable and submarine cable having the same

#52
20180301864
2018-10-18

Multicore fiber amplifier with high power efficiency

#53
20180278341
2018-09-27

Submarine optical cable shore landing apparatus

#54
20180267267
2018-09-20

Fiber optic cables and assemblies for fiber toward the subscriber applications

#55
20180203199
2018-07-19

Submarine optical fiber communications architectures

#56
20180163477
2018-06-14

Visible diode laser systems, apparatus and methods of use

#57
20180137953
2018-05-17

Downhole cables and methods of making the same

#58
20180083705
2018-03-22

Subsea fiber optical termination module

#59
20180073310
2018-03-15

Electrically conductive fiber optic slickline for coiled tubing operations

#60
20180045895
2018-02-15

High average power optical fiber cladding mode stripper, methods of making and uses

#61
20180023352
2018-01-25

Carbon fiber based tubing encapsulated cable

#62
20170336572
2017-11-23

EPOXY-LESS OPTICAL CONNECTOR TERMINATION APPARATUS FOR HIGH TEMPERATURE AND HIGH PRESSURE USE

#63
20170329097
2017-11-16

Clamp and bending strain relief apparatus and methods

#64
20170299828
2017-10-19

Graphene barriers on waveguides

#65
20170242210
2017-08-24

Connector part of a connector unit

#66
20170205574
2017-07-20

Optical fiber and method of producing an optical fiber

#67
20170152742
2017-06-01

FIBER OPTIC SLICKLINE AND TOOLS

#68
20170138131
2017-05-18

Downhole expandable control line connector

#69
20170108624
2017-04-20

Protective coating for optical elements

#70
20170090136
2017-03-30

LOGGING CABLE

#71
20170063463
2017-03-02

Optical repeater and optical fiber communications system

#72
20170054284
2017-02-23

COMPACT RETRIEVABLE HORIZONTAL MODULAR CONNECTORIZED DISTRIBUTION UNIT AND MOUNTING BASE FRAME FOR SUBSEA APPLICATIONS

#73
20170047146
2017-02-16

Metal sheathed cable designed on the basis of torque balance and design method thereof

#74
20170038551
2017-02-09

Staggered optical fiber splices

#75
20170038546
2017-02-09

Pipe-conforming structure

#76
20170038545
2017-02-09

Vented optical tube

#77
20170038533
2017-02-09

Tube reattachment

#78
20170023755
2017-01-26

Fiber optic cables and assemblies for fiber toward the subscriber applications

#79
20170023384
2017-01-26

Intrusion detection system for an undersea environment

#80
20170003471
2017-01-05

Composite cable assembly with neutral buoyancy

#81
20160380421
2016-12-29

End closure for a cable and method for its manufacture

#82
20160379737
2016-12-29

Power cable filler device and power cable comprising the same

#83
20160358697
2016-12-08

Method and apparatus for producing a submarine cable, and submarine cable produced therewith

#84
20160341906
2016-11-24

Rugged passively cooled high power laser fiber optic connectors and methods of use

#85
20160320579
2016-11-03

Power cable assembly device and a power cable provided with such a device

#86
20160222736
2016-08-04

Electrically conductive fiber optic slickline for coiled tubing operations

#87
20160202435
2016-07-14

Optical cable for terrestrial networks

#88
20160161042
2016-06-09

Smart subsea pipeline

#89
20160147028
2016-05-26

Multitube seismic cable

#90
20160111185
2016-04-21

Power cable assembly device and a power cable provided with such a device

#91
20160111183
2016-04-21

Composite Wrapped Steel Tubes for Use in Umbilicals

#92
20160097910
2016-04-07

Clamp and bending strain relief apparatus and methods

#93
20160097906
2016-04-07

APPARATUS WITH SUBSTANTIALLY RIGID SUPPORT

#94
20160097872
2016-04-07

Floodable optical apparatus, methods and systems

#95
20160070080
2016-03-10

A POWER CABLE ASSEMBLY DEVICE AND A POWER CABLE PROVIDED WITH SUCH A DEVICE

#96
20160054535
2016-02-25

High pressure splice housing

#97
20160004025
2016-01-07

OPTICAL FIBER SEISMIC SENSING CABLE

#98
20150378120
2015-12-31

Pipe-conforming structure

#99
20150376956
2015-12-31

Downhole control line connector

#100
20150301297
2015-10-22

Deformed steel wire for protection tube of submarine cable, method for manufacturing same, and pressure-resistant layer

#101
20150294763
2015-10-15

Downhole cables and methods of making the same

#102
20150277075
2015-10-01

Fiber optic cables and assemblies for fiber toward the subscriber applications

#103
20150268433
2015-09-24

High temperature, zero fiber strain, fiber optic cable

#104
20150234143
2015-08-20

Subsea cable having floodable optical fiber conduit

#105
20150184469
2015-07-02

Carbon fiber based tubing encapsulated cable

#106
20150153530
2015-06-04

Conductive water blocking material including metallic particles and an optical cable and method of constructing an optical cable including the same

#107
20150131950
2015-05-14

Fiber optic splice protector for harsh environments

#108
20150125116
2015-05-07

Apparatus and a method for jointing a first and a second optical fibre of a composite cable

#109
20150116697
2015-04-30

FIBRE OPTIC TAUT WIRE

#110
20150036990
2015-02-05

Extruded encapsulated fillers to provide crush protection

#111
20150036988
2015-02-05

Extruded encapsulated fillers to provide crush protection

#112
20150036987
2015-02-05

Extruded encapsulated fillers to provide crush protection

#113
20150034202
2015-02-05

Umbilical

#114
20150034200
2015-02-05

Extruded encapsulated fillers to provide crush protection

#115
20150030295
2015-01-29

Armor element for a flexible line intended to be placed in an expanse of water, and associated flexible line, method and process

#116
20150016789
2015-01-15

Composite cable assembly with neutral buoyancy

#117
20140248024
2014-09-04

Cylindrical housing with locking ring

#118
20140112615
2014-04-24

Co-registration of cores in multicore optical fiber sensing systems

#119
20140093247
2014-04-03

Subsea cable termination assembly, subsea connector and method

#120
20140073176
2014-03-13

Underwater connecting apparatuses and assemblies

#121
20130202261
2013-08-08

Submarine optical communications cables and processes for the manufacturing thereof

#122
20130011102
2013-01-10

Rugged passively cooled high power laser fiber optic connectors and methods of use

#123
20120308185
2012-12-06

Underwater optical fibre cable

#124
20120275752
2012-11-01

Insulation pressure-resistance cylinder body of submarine cable equipment, submarine cable equipment, and manufacturing method

#125
20120243881
2012-09-27

Extended temperature fiber optic cable design

#126
20120118578
2012-05-17

Purging of Fiber Optic Conduits in Subterranean Wells

#127
20120033928
2012-02-09

Repair box for optical fibre composite electric power cable

#128
20110299819
2011-12-08

Ocean deployable biodegradable optical fiber cable

#129
20110280529
2011-11-17

Logging cable

#130
20110229098
2011-09-22

Fiber optic cables and assemblies for fiber toward the subscriber applications

#131
20110114006
2011-05-19

Unmanned underwater vehicle and device for connection of an optical waveguide cable to an unmanned underwater vehicle

#132
20110075979
2011-03-31

ARMORED OPTICAL FIBER CABLE

#133
20100266248
2010-10-21

System, method and apparatus for power transmission cable with optical fiber for downhole tool in subterranean applications

#134
20100237606
2010-09-23

END SEAL FOR PIPELINE

#135
20100229662
2010-09-16

Instrumentation and Monitoring System For Pipes and Conduits Transporting Cryogenic Materials

#136
20100155059
2010-06-24

Fiber optic slickline and tools

#137
20090196557
2009-08-06

Dual conductor fiber optic cable

#138
20090166042
2009-07-02

Purging of fiber optic conduits in subterranean wells

#139
20090074367
2009-03-19

Buoyancy neutral fiber optic cable

#140
20090022458
2009-01-22

Optical turnaround system

#141
20090022451
2009-01-22

Optical turnaround system

#142
20080166093
2008-07-10

Ruggedized deep-sea rov deployment cable

#143
20080145007
2008-06-19

Electronic device and method for manufacturing the same

#144
20070280611
2007-12-06

Grooved jacket for undersea cable and method for manufacturing the same

#145
20060280412
2006-12-14

Ruggedized optical fibers for wellbore electrical cables

#146
20060215974
2006-09-28

Method and apparatus for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environments

#147
20060193572
2006-08-31

Power umbilical for deep water

#148
20060154101
2006-07-13

Deformed wire for reinforcing marine optical fiber cable

#149
20060127013
2006-06-15

Telecommunication cable comprising a jointed optical core and method for jointing said core

#150
20060018611
2006-01-26

Method and system for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environments

#151
20050200943
2005-09-15

THERMAL MANAGEMENT OF AN OPTICAL AMPLIFIER MODULE HOUSED IN A UNIVERSAL CABLE JOINT

#152
18653653
2024-09-17

Rotatable capsule for a fiber optic rotary joint

#153
17677651
2024-10-22

Fiber optic reel system

#154
16057557
2019-10-29

Submarine cable network architecture

#155
15864205
2019-07-02

Fiber optic cable for inhibiting breaching fluid flow

#156
15487575
2018-06-19

Underwater fiber optic cable with a predetermined buoyancy and associated methods

#157
14577840
2016-05-10

Fiber optic cable arrangement

#158
14554710
2016-04-26

Long span all dielectric self-supporting (ADSS) fiber optic cable