ClassID:

87374

C03B2203/16 - CPC Classification

Classification description:

Fibre product details, e.g. structure, shape; Internal structure or shape details; Non-solid, i.e. hollow products, e.g. hollow clad or with core-clad interface Hollow core

Recent Application in this class:
#1
20260152430
2026-06-04

A FIBER MANUFACTURING INTERMEDIATE PRODUCT AND METHOD OF PRODUCING PHOTONIC CRYSTAL FIBERS

#2
20260145987
2026-05-28

SYSTEM AND METHOD FOR FABRICATION OF HOLLOW-CORE FIBERS

#3
20260049021
2026-02-19

METHOD FOR PRODUCING AN ANTI-RESONANT HOLLOW-CORE FIBER

#4
20260049020
2026-02-19

HOLLOW-CORE OPTICAL FIBERS AND METHODS FOR PRODUCING THE SAME

#5
20260049019
2026-02-19

HOLLOW-CORE OPTICAL FIBERS AND METHODS FOR PRODUCING THE SAME

#6
20260036740
2026-02-05

HOLLOW CORE OPTICAL FIBER PREFORM WITH SEAL AND METHOD OF MANUFACTURING HOLLOW CORE OPTICAL FIBER THEREFROM

#7
20260035284
2026-02-05

METHODS AND SYSTEMS FOR PRODUCING HOLLOW-CORE PREFORMS, COMPONENTS THEREOF, AND HOLLOW-CORE OPTICAL FIBERS

#8
20260035283
2026-02-05

METHOD OF MANUFACTURING A PREFORM FOR A HOLLOW CORE OPTICAL FIBER

#9
20260035282
2026-02-05

METHOD OF MANUFACTURING A HOLLOW CORE OPTICAL FIBER

#10
20260028265
2026-01-29

METHODS OF MAKING HOLLOW CORE OPTICAL FIBERS

#11
20260022053
2026-01-22

METHOD FOR PROCESSING HOLLOW CORE OPTICAL FIBRES

#12
20260022052
2026-01-22

HOLLOW CORE OPTICAL FIBRE DRAWING METHOD WITH MODIFIED DRAWDOWN

#13
20260016629
2026-01-15

ANTI-RESONANT HOLLOW-CORE FIBERS FEATURING SUPPORT STRUCTURES

#14
20250376410
2025-12-11

POSITIONING AID AND METHOD FOR PRODUCING A HOLLOW-CORE FIBER AND A PREFORM THEREFOR USING THE POSITIONING AID

#15
20250376408
2025-12-11

Method and preform for producing a hollow core fiber and method for producing a preform for a hollow core fiber

#16
20250376405
2025-12-11

METHOD FOR FABRICATING A HOLLOW-CORE FIBER AND FOR FABRICATING A PREFORM FOR A HOLLOW-CORE FIBER, AND PREFORM PRECURSOR THEREFOR

#17
20250326678
2025-10-23

INTEGRATED HOLLOW-CORE OPTICAL FIBER PREFORM, OPTICAL FIBER AND FABRICATION METHOD THEREOF

#18
20250313504
2025-10-09

METHOD OF PRODUCING PHOTONIC CRYSTAL FIBERS

#19
20250271612
2025-08-28

HOLLOW CORE OPTICAL FIBER, HOLLOW CORE OPTICAL FIBER PREFORM, AND METHOD OF MAKING THE SAME

#20
20250271611
2025-08-28

HOLLOW-CORE PHOTONIC CRYSTAL FIBER BASED OPTICAL COMPONENT FOR BROADBAND RADIATION GENERATION

#21
20250208338
2025-06-26

OPTICAL FIBER WITH LOW CHLORINE CONCENTRATION IMPROVEMENTS RELATING TO LOSS AND ITS USE, METHOD OF ITS PRODUCTION AND USE THEREOF

#22
20250197273
2025-06-19

HOLLOW-CORE OPTICAL FIBERS

#23
20250004192
2025-01-02

ANTI-RESONANT HOLLOW-CORE FIBERS FEATURING SUPPORT STRUCTURES

#24
20240425404
2024-12-26

METHOD OF FIBER PRODUCTION

#25
20240411083
2024-12-12

ANTI-RESONANT HOLLOW-CORE FIBERS FEATURING SUPPORT STRUCTURES

#26
20240319436
2024-09-26

Preform for optical fiber with low chlorine concentration improvements relating to loss and its use, method of its production and use thereof

#27
20240295689
2024-09-05

ANTI-RESONANT OPTICAL COMPONENT AND METHOD FOR THE PRODUCTION OF SAME

#28
20240262736
2024-08-08

METHOD OF PRODUCING PHOTONIC CRYSTAL FIBERS

#29
20240190754
2024-06-13

METHOD FOR FABRICATING AN OPTICAL FIBRE PREFORM

#30
20240150219
2024-05-09

HOLLOW CORE OPTICAL FIBERS AND METHODS OF MAKING

#31
20240150218
2024-05-09

HOLLOW CORE OPTICAL FIBERS AND METHODS OF MAKING

#32
20240101464
2024-03-28

METHOD FOR PRODUCING A PREFORM FOR AN ANTI-RESONANT HOLLOW-CORE FIBER HAVING NESTED CAPILLARIES; PREFORM AND INTERMEDIATE PRODUCT

#33
20240097395
2024-03-21

ERBIUM-DOPED FIBER AND PREPARATION METHOD FOR ERBIUM-DOPED FIBER

#34
20240092680
2024-03-21

METHOD OF MANUFACTURING A PREFORM OF AN ANTIRESONANT HOLLOW CORE FIBRE

#35
20240069272
2024-02-29

MICROSTRUCTURED OPTICAL FIBER AND PREFORM FOR SAME

#36
20240043312
2024-02-08

ANTI-RESONANCE ELEMENT PREFORM FOR PRODUCING AN ANTI-RESONANT HOLLOW-CORE FIBER

#37
20240043311
2024-02-08

COUNTERWEIGHT AND ATTACHMENT COMPOUND

#38
20240036253
2024-02-01

HOLLOW-CORE OPTICAL FIBERS

#39
20240036249
2024-02-01

METHODS FOR PRODUCING HOLLOW-CORE OPTICAL FIBERS

#40
20240034665
2024-02-01

Soot-Free Production Process of Preforms for Structured Fibers

#41
20240034664
2024-02-01

HOLLOW-CORE OPTICAL FIBERS AND METHODS FOR PRODUCING THE SAME

#42
20240019630
2024-01-18

HOLLOW-CORE MICROSTRUCTURE OPTICAL FIBER PREFORM, OPTICAL FIBER AND METHOD FOR MANUFACTURING THEREOF

#43
20240004127
2024-01-04

Hollow-core photonic crystal fiber based optical component for broadband radiation generation

#44
20230416140
2023-12-28

METHOD OF MANUFACTURING OPTICAL FIBER AND APPARATUS FOR MANUFACTURING OPTICAL FIBER

#45
20230161100
2023-05-25

Laser system using low-chlorine hollow core optical fiber

#46
20220373733
2022-11-24

Optical fiber with low chlorine concentration improvements relating to loss and its use, method of its production and use thereof

#47
20220363584
2022-11-17

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

#48
20220357506
2022-11-10

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

#49
20220356108
2022-11-10

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

#50
20220315474
2022-10-06

Preform assembly for drawing multicore or holey optical fibre and method of manufacturing thereof

#51
20220291443
2022-09-15

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

#52
20220267193
2022-08-25

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

#53
20220267192
2022-08-25

METHODS FOR PRODUCING A HOLLOW-CORE FIBER AND FOR PRODUCING A PREFORM FOR A HOLLOW-CORE FIBER

#54
20220244453
2022-08-04

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

#55
20220236479
2022-07-28

Method of manufacture of a capillary for a hollow-core photonic crystal fiber

#56
20220234936
2022-07-28

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

#57
20220227658
2022-07-21

METHODS FOR PRODUCING A HOLLOW-CORE FIBER AND FOR PRODUCING A PREFORM FOR A HOLLOW-CORE FIBER

#58
20220227656
2022-07-21

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

#59
20220173565
2022-06-02

Wavelength flexibility through variable-period poling of a compact cylindrical optical fiber assembly

#60
20220155517
2022-05-19

Hollow core optical fibre

#61
20220153625
2022-05-19

METHOD AND DEVICE FOR MANUFACTURING A HOLLOW-CORE OPTICAL FIBRE

#62
20220017404
2022-01-20

LARGE-SIZED HOLLOW POROUS QUARTZ GLASS PREFORM AND METHOD OF MANUFACTURING THE SAME

#63
20210387892
2021-12-16

Optical fibers and production methods therefor

#64
20210311250
2021-10-07

Hollow core optical fibre

#65
20210163338
2021-06-03

Device and method for connecting a fiber preform to a pressure supply system

#66
20210141150
2021-05-13

Method of manufacture of a capillary for a hollow-core photonic crystal fiber

#67
20210124112
2021-04-29

Hollow-core photonic crystal fiber based optical component for broadband radiation generation

#68
20210088718
2021-03-25

Wavelength flexibility through variable-period poling of optical fiber

#69
20210080644
2021-03-18

Fiber preform, optical fiber, methods for forming the same, and optical devices having the optical fiber

#70
20210013690
2021-01-14

Wavelength flexibility through variable-period poling of a compact cylindrical optical fiber assembly

#71
20200326473
2020-10-15

Hollow-core fiber with anti-resonant arches and method of manufacturing thereof

#72
20200278491
2020-09-03

Antiresonant hollow core preforms and optical fibres and methods of fabrication

#73
20200257042
2020-08-13

Suppressing surface modes in fibers

#74
20200156987
2020-05-21

Method for fabricating an optical fibre preform

#75
20200115270
2020-04-16

FIBER PREFORM, OPTICAL FIBER AND METHODS FOR FORMING THE SAME

#76
20200087194
2020-03-19

Method for making an optical fiber device from a 3D printed preform body and related structures

#77
20200079680
2020-03-12

Technique For Fabricating A Multistructure Core Rod Used In Formation Of Hollow Core Optical Fibers

#78
20190331847
2019-10-31

PHOTONIC CRYSTAL FIBER METHODS AND DEVICES

#79
20190263712
2019-08-29

Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers

#80
20190263705
2019-08-29

METHOD OF THERMALLY DRAWINGS STRUCTURED SHEETS

#81
20190235162
2019-08-01

Low-latency, hollow-core optical fiber with total internal reflection mode confinement

#82
20190135679
2019-05-09

Method of fiber production

#83
20190047896
2019-02-14

Method for making an optical fiber device from a 3D printed preform body and related structures

#84
20180257971
2018-09-13

Method of thermally drawing structured sheets

#85
20180170792
2018-06-21

PROCESS OF USING A SUBMERGED COMBUSTION MELTER TO PRODUCE HOLLOW GLASS FIBER OR SOLID GLASS FIBER HAVING ENTRAINED BUBBLES, AND BURNERS AND SYSTEMS TO MAKE SUCH FIBERS

#86
20170248757
2017-08-31

High-birefringence hollow-core fibers and techniques for making same

#87
20170197236
2017-07-13

Systems and methods for drawing high aspect ratio metallic glass-based materials

#88
20170144915
2017-05-25

Method of thermally drawing structured sheets

#89
20170008795
2017-01-12

Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers

#90
20160376185
2016-12-29

Method and device for manufacturing an optical preform by means of an internal vapour deposition process, and a corresponding substrate tube assembly

#91
20160236964
2016-08-18

Hollow-core photonic bandgap fibers and methods of manufacturing the same

#92
20160002089
2016-01-07

METHOD FOR MANUFACTURING PREFORM FOR PHOTONIC BAND GAP FIBER, METHOD FOR MANUFACTURING PHOTONIC BAND GAP FIBER, PREFORM FOR PHOTONIC BAND GAP FIBER, AND PHOTONIC BAND GAP FIBER

#93
20150336838
2015-11-26

Method and a device for manufacturing an optical preform by means of an internal vapour deposition process, as well as corresponding substrate tube assembly

#94
20150218037
2015-08-06

Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers

#95
20150198764
2015-07-16

High-birefringence hollow-core fibers and techniques for making same

#96
20150141844
2015-05-21

Optogenetic probe

#97
20150093085
2015-04-02

Low-latency, hollow-core optical fiber with total internal reflection mode confinement

#98
20140242329
2014-08-28

Method of thermally drawing structured sheets

#99
20140238473
2014-08-28

Method of co-drawing hybrid incompatible materials

#100
20140007623
2014-01-09

Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers

#101
20120321263
2012-12-20

Direct extrusion method for the fabrication of photonic band gap (PBG) fibers and fiber preforms

#102
20120321262
2012-12-20

PHOTONIC CRYSTAL FIBERS HAVING A PREFERRED BENDING PLANE AND SYSTEMS THAT USE SUCH FIBERS

#103
20120141080
2012-06-07

Hexagonal tube stacking method for the fabrication of hollow core photonic band gap fibers and preforms

#104
20110188824
2011-08-04

Manufacturing method of photonic band gap fiber and photonic band gap fiber

#105
20110045298
2011-02-24

FABRICATION OF NANOWIRES

#106
20110020008
2011-01-27

Photonic bandgap fibers

#107
20100328658
2010-12-30

Hollow-core photonic crystal fibre

#108
20100303429
2010-12-02

Microstructured Optical Fiber Draw Method with In-Situ Vacuum Assisted Preform Consolidation

#109
20100266251
2010-10-21

Microstructured hollow core optical fiber using low chlorine concentration

#110
20100202743
2010-08-12

Photonic band gap germanate glass fibers

#111
20100104869
2010-04-29

Photonic Crystal Fibers and Methods for Manufacturing the Same

#112
20100043296
2010-02-25

Compact cable drive power sliding door mechanism

#113
20090220785
2009-09-03

METHOD AND DEVICE FOR FORMING MICROSTRUCTURED FIBRE

#114
20090122308
2009-05-14

Photonic bandgap fibers

#115
20090095024
2009-04-16

PROCESS FOR PRODUCING OPTICAL FIBER

#116
20090060438
2009-03-05

Optical fiber and production method thereof

#117
20090028488
2009-01-29

Fabrication of nanowires

#118
20080247721
2008-10-09

Photonic band gap fiber and method of producing the same

#119
20080170830
2008-07-17

PHOTONIC BAND GAP FIBER AND METHOD OF PRODUCING THE SAME

#120
20080141724
2008-06-19

Dielectric waveguide and method of making the same

#121
20080060387
2008-03-13

FABRICATION OF HIGH AIR FRACTION PHOTONIC BAND GAP (PBG) FIBERS

#122
20070163301
2007-07-19

Photonic bandgap fibers

#123
20070154154
2007-07-05

Fused array preform fabrication of holey optical fibers

#124
20070147757
2007-06-28

Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method

#125
20070110377
2007-05-17

High air fraction photonic band gap fibers

#126
20070053640
2007-03-08

Photonic crystal fibers having a preferred bending plane and systems that use such fibers

#127
20070028651
2007-02-08

Method for making large diameter multicore optical waveguide

#128
20070009216
2007-01-11

Photonic bandgap optical waveguide with anti-resonant core boundary

#129
20060251369
2006-11-09

Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method

#130
20060230792
2006-10-19

Hollow core photonic band gap infrared fibers

#131
20060193583
2006-08-31

Photonic bandgap fibers

#132
20060177187
2006-08-10

Birefringent photonic bandgap optical waveguide

#133
20060153512
2006-07-13

Fused array preform fabrication of holey optical fibers

#134
20060104582
2006-05-18

Fabrication of microstructured optical fibre

#135
20060088260
2006-04-27

Enhanced optical waveguide

#136
20060045446
2006-03-02

Optical fiber with birefringence and large mode field diameter

#137
20060010921
2006-01-19

Tellurite optical fiber and production method thereof

#138
20050259944
2005-11-24

Fiber waveguide formed from chalcogenide glass and polymer

#139
20050259933
2005-11-24

Photonic crystal fibers and medical systems including photonic crystal fibers

#140
20050232560
2005-10-20

METHOD AND APPARATUS RELATING TO OPTICAL FIBRE WAVEGUIDES

#141
20050226578
2005-10-13

Optical fiber and method for making an optical fiber

#142
20050185908
2005-08-25

Hollow-core optical fiber and method of making same

#143
20050074215
2005-04-07

FABRICATION OF HIGH AIR FRACTION PHOTONIC BAND GAP FIBERS

#144
20050025965
2005-02-03

Hollow core photonic band gap infrared fibers

#145
18842284
2025-04-08

Capillary array and preparation method and application therefor