ClassID:

174177

G02B6/3818 - CPC Classification

Classification description:

Light guides; Coupling light guides; Mechanical coupling means having fibre to fibre mating means; Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type

Recent Application in this class:
#1
20260110853
2026-04-23

OPTICAL FIBER TERMINATION STRUCTURE, OPTICAL CONNECTION COMPONENT AND HOLLOW-CORE OPTICAL FIBER

#2
20250291127
2025-09-18

OPTICAL INTERCONNECTS AND RELATED METHODS

#3
20250116824
2025-04-10

EXPANDED BEAM OPTICAL FERRULES

#4
20230350135
2023-11-02

OPTICAL FIBER TERMINATION STRUCTURE, OPTICAL CONNECTION COMPONENT AND HOLLOW-CORE OPTICAL FIBER

#5
20230288641
2023-09-14

OPTICAL WAVEGUIDE FOR A MAGNETO-OPTICAL CURRENT SENSOR

#6
20230147914
2023-05-11

Ferrule with molded internal tilted refractive surfaces

#7
20230109022
2023-04-06

Ferrule, optical connector, optical communication element, communications device, and preparation method

#8
20230056995
2023-02-23

Expanded beam optical ferrules

#9
20230050349
2023-02-16

PLUG CONNECTOR WITH POSITIVE LOCKING MECHANISM

#10
20220299712
2022-09-22

Structured surface and optical ferrule including same

#11
20220137304
2022-05-05

PLUG CONNECTOR WITH POSITIVE LOCKING MECHANISM

#12
20220137303
2022-05-05

FERRULE AND FERRULE MANUFACTURING METHOD

#13
20210231883
2021-07-29

Microfabrication method for optical components

#14
20210141168
2021-05-13

Fiber optic connector

#15
20210141165
2021-05-13

Ferrule, optical connector, optical communication element, communications device, and preparation method

#16
20210033802
2021-02-04

Optical connector for connecting multicore optical fiber to single core optical fibers using intermediate optical waveguide array

#17
20190219771
2019-07-18

Optical fiber connector ferrule assembly having dual reflective surfaces for beam expansion and expanded beam connector incorporating same

#18
20190162912
2019-05-30

Fiber optic connectors having diamond-like carbon thin film coated optical fibers

#19
20190049668
2019-02-14

Optical connector ferrule and optical connection structure

#20
20190041586
2019-02-07

OPTICAL CONNECTOR-EQUIPPED FIBER AND OPTICAL COUPLING STRUCTURE

#21
20180335573
2018-11-22

Optical connector

#22
20180252856
2018-09-06

Ferrule for light guide, assembly with ferrule, and method for producing same

#23
20180246281
2018-08-30

Ferrule assembly with beam expansion section and sacrificial optical fiber

#24
20180081123
2018-03-22

Optical fiber connector ferrule assembly having dual reflective surfaces for beam expansion and expanded beam connector incorporating same

#25
20180045895
2018-02-15

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

#26
20170285257
2017-10-05

Optical fiber

#27
20170212309
2017-07-27

Fiber optic terminus adapter

#28
20170139149
2017-05-18

Low reflection fiber-optic connector

#29
20160341906
2016-11-24

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

#30
20160320569
2016-11-03

Expanded-beam ferrule with high coupling efficiency for optical interface devices

#31
20160195681
2016-07-07

Optical blind-mate connector and adapter

#32
20160085030
2016-03-24

Ferrule

#33
20150374207
2015-12-31

Optical connector and medical device

#34
20150101172
2015-04-16

Hardened low back reflection optical fiber physical contacts and connectors containing such contacts and method for making the same

#35
20140241668
2014-08-28

Hybrid ferrule and fiber optical test device

#36
20140233895
2014-08-21

Fiber-optic connector

#37
20130064509
2013-03-14

OPTICAL FIBER CONNECTOR

#38
20130011102
2013-01-10

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

#39
20120257854
2012-10-11

Nanotube based optical fuse device and method

#40
20120093465
2012-04-19

Optical ferrule assemblies and methods of making the same

#41
20120051706
2012-03-01

FERRULE ASSEMBLY PROCESS

#42
20120027360
2012-02-02

Collar body for field terminable optical connector

#43
20110311183
2011-12-22

Fiber-optic connector

#44
20110091164
2011-04-21

Hardened Low Back Reflection Optical Fiber Physical Contacts and Connectors Containing Such Contacts and Method for Making the Same

#45
20100178009
2010-07-15

Polymer Layer at Fiber Ends in Fiber Optic Connectors and Related Methods

#46
20100129033
2010-05-27

PLUG FOR A HYBRID OPTICAL WAVEGUIDE AND ELECTRICAL CONDUCTOR ARRANGEMENT, AND METHOD FOR ITS PRODUCTION

#47
20100129031
2010-05-27

Optical ferrule assemblies and methods of making the same

#48
20090232454
2009-09-17

Vacuum optical fiber connector and optical fiber terminal structure

#49
20090135429
2009-05-28

Optical connector and an optical tomographic imaging system using the same

#50
20060274998
2006-12-07

Optical receptacle

#51
20060147157
2006-07-06

Ferrule assembly

#52
20060039657
2006-02-23

Jointing holder for optical module for single-fiber bidirectional communication and optical module incorporating the jointing holder

#53
20050249465
2005-11-10

Multifiber ferrule

#54
20050220410
2005-10-06

Low reflectance optical coupling

#55
20050180702
2005-08-18

Multifiber ferrule

#56
20050025497
2005-02-03

Jointing holder for optical module for single-fiber bidirectional communication and optical module incorporating the jointing holder

#57
15449522
2018-06-05

Connector with lateral and angular tolerance