ClassID:

87210

C03B37/0122 - CPC Classification

Classification description:

Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags; Manufacture of glass fibres or filaments; Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube for making preforms of photonic crystal, microstructured or holey optical fibres

Recent Application in this class:
#1
20260016630
2026-01-15

ANTI-RESONANCE PREFORM WITH TWO CONTACT POINTS

#2
20260016629
2026-01-15

ANTI-RESONANT HOLLOW-CORE FIBERS FEATURING SUPPORT STRUCTURES

#3
20250376410
2025-12-11

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

#4
20250313504
2025-10-09

METHOD OF PRODUCING PHOTONIC CRYSTAL FIBERS

#5
20250296271
2025-09-25

MOLDED BODY MANUFACTURING EQUIPMENT

#6
20250271612
2025-08-28

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

#7
20250208338
2025-06-26

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

#8
20250076570
2025-03-06

ANTI-RESONANCE PREFORM WITH TWO CONTACT POINTS

#9
20250004192
2025-01-02

ANTI-RESONANT HOLLOW-CORE FIBERS FEATURING SUPPORT STRUCTURES

#10
20240425404
2024-12-26

METHOD OF FIBER PRODUCTION

#11
20240411083
2024-12-12

ANTI-RESONANT HOLLOW-CORE FIBERS FEATURING SUPPORT STRUCTURES

#12
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

#13
20240295689
2024-09-05

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

#14
20240199468
2024-06-20

INFRARED-TRANSMITTING, POLARIZATION-MAINTAINING OPTICAL FIBER AND METHOD FOR MAKING

#15
20240190754
2024-06-13

METHOD FOR FABRICATING AN OPTICAL FIBRE PREFORM

#16
20240101464
2024-03-28

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

#17
20240092680
2024-03-21

METHOD OF MANUFACTURING A PREFORM OF AN ANTIRESONANT HOLLOW CORE FIBRE

#18
20240069272
2024-02-29

MICROSTRUCTURED OPTICAL FIBER AND PREFORM FOR SAME

#19
20240043312
2024-02-08

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

#20
20240043311
2024-02-08

COUNTERWEIGHT AND ATTACHMENT COMPOUND

#21
20230168428
2023-06-01

METHOD FOR MANUFACTURING LOW LOSS OPTICAL FIBERS

#22
20230161100
2023-05-25

Laser system using low-chlorine hollow core optical fiber

#23
20220373733
2022-11-24

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

#24
20220363584
2022-11-17

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

#25
20220356108
2022-11-10

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

#26
20220315474
2022-10-06

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

#27
20220267192
2022-08-25

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

#28
20220244453
2022-08-04

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

#29
20220242773
2022-08-04

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

#30
20220236479
2022-07-28

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

#31
20220234936
2022-07-28

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

#32
20220227658
2022-07-21

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

#33
20220227656
2022-07-21

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

#34
20220011506
2022-01-13

Optical fibers, methods of their formation, and methods of their use

#35
20210387892
2021-12-16

Optical fibers and production methods therefor

#36
20210323856
2021-10-21

Element for a preform, a fiber production method and an optical fiber drawn from the preform

#37
20210141150
2021-05-13

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

#38
20210088717
2021-03-25

Hollow core photonic bandgap optical fibres and methods of fabrication

#39
20210080644
2021-03-18

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

#40
20200317557
2020-10-08

Infrared-transmitting, polarization-maintaining optical fiber and method for making

#41
20200278491
2020-09-03

Antiresonant hollow core preforms and optical fibres and methods of fabrication

#42
20200277217
2020-09-03

Method and apparatus for producing a glass component

#43
20200257042
2020-08-13

Suppressing surface modes in fibers

#44
20200199008
2020-06-25

Method for Manufacturing Optical Fiber Base Material and Optical Fiber Base Material

#45
20200156987
2020-05-21

Method for fabricating an optical fibre preform

#46
20200115270
2020-04-16

FIBER PREFORM, OPTICAL FIBER AND METHODS FOR FORMING THE SAME

#47
20190322566
2019-10-24

Method for fabrication of sleeveless photonic crystal canes with an arbitrary shape

#48
20190235162
2019-08-01

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

#49
20190135679
2019-05-09

Method of fiber production

#50
20180339931
2018-11-29

Element for a preform, a fiber production method and an optical fiber drawn from the preform

#51
20170248757
2017-08-31

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

#52
20160236964
2016-08-18

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

#53
20160041333
2016-02-11

Photonic band gap fibers using a jacket with a depressed softening temperature

#54
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

#55
20150198764
2015-07-16

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

#56
20150093085
2015-04-02

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

#57
20150086784
2015-03-26

METHOD FOR MANUFACTURING OPTICAL FIBER BASE MATERIAL AND OPTICAL FIBER BASE MATERIAL

#58
20150043879
2015-02-12

System and method for compensating for distortions in optical fibers

#59
20140233900
2014-08-21

Microstructured optical fibre having a large core and a flattened fundamental mode, production method thereof and use of same in laser microfabrication

#60
20140009822
2014-01-09

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#61
20130306122
2013-11-21

Manufacture of thermoelectric generator structures by fiber drawing

#62
20130302001
2013-11-14

Low-loss optical fiber over wide wavelength range and method of manufacturing the same

#63
20130265635
2013-10-10

Ultra small core fiber with dispersion tailoring

#64
20130239623
2013-09-19

Methods for making active laser fibers

#65
20130114129
2013-05-09

Large core area single mode optical fiber

#66
20130011107
2013-01-10

Method for manufacturing a preform and preform for drawing a microstructured optical fiber

#67
20120321263
2012-12-20

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

#68
20120314995
2012-12-13

Ultra small core fiber with dispersion tailoring

#69
20120250143
2012-10-04

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#70
20120151968
2012-06-21

Method of manufacturing photonic band gap fiber base material and fiber

#71
20120141080
2012-06-07

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

#72
20120141079
2012-06-07

Photonic band gap fibers using a jacket with a depressed softening temperature

#73
20120134376
2012-05-31

Radiation-Insensitive Optical Fiber Doped with Rare Earths

#74
20110299824
2011-12-08

METHOD FOR PRODUCING AND PROCESSING A PREFORM, PREFORM AND OPTICAL FIBER

#75
20110188825
2011-08-04

Optical fiber with resonant structure of cladding features connected to light sink

#76
20110188824
2011-08-04

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

#77
20110094269
2011-04-28

OPTICAL FIBER MANUFACTURING METHOD

#78
20110052128
2011-03-03

Optical Fiber Preform With Improved Air/Glass Interface Structure

#79
20110038587
2011-02-17

MULTI-CLAD OPTICAL FIBER

#80
20110020008
2011-01-27

Photonic bandgap fibers

#81
20100329618
2010-12-30

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#82
20100328658
2010-12-30

Hollow-core photonic crystal fibre

#83
20100326139
2010-12-30

Optical fiber preform manufacturing method

#84
20100266251
2010-10-21

Microstructured hollow core optical fiber using low chlorine concentration

#85
20100124397
2010-05-20

Multiple core optical fibre

#86
20100104869
2010-04-29

Photonic Crystal Fibers and Methods for Manufacturing the Same

#87
20100081554
2010-04-01

Method for producing a hollow cylinder of synthetic quartz glass, and thickwalled hollow cylinder obtained according to the method

#88
20100043296
2010-02-25

Compact cable drive power sliding door mechanism

#89
20100000260
2010-01-07

Method for fabricating an optical fiber preform

#90
20090245729
2009-10-01

Ultra small core fiber with dispersion tailoring

#91
20090220202
2009-09-03

Photonic bandgap fiber

#92
20090218706
2009-09-03

METHOD OF MANUFACTURING PHOTONIC BANDGAP FIBRE

#93
20090201953
2009-08-13

Microstructured optical fibers and manufacturing methods thereof

#94
20090123121
2009-05-14

RARE EARTH DOPED AND LARGE EFFECTIVE AREA OPTICAL FIBERS FOR FIBER LASERS AND AMPLIFIERS

#95
20090122308
2009-05-14

Photonic bandgap fibers

#96
20090067793
2009-03-12

Multiple core microstructured optical fibre

#97
20090060438
2009-03-05

Optical fiber and production method thereof

#98
20080310806
2008-12-18

Holey fiber and method of manufacturing the same

#99
20080148777
2008-06-26

Optical fiber preform with improved air/glass interface structure

#100
20080138571
2008-06-12

Fabrication of semiconductor metamaterials

#101
20080138023
2008-06-12

Optical waveguide

#102
20080069508
2008-03-20

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#103
20080060387
2008-03-13

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

#104
20070273055
2007-11-29

Fabrication of metamaterials

#105
20070220924
2007-09-27

Method for fabricating an optical fiber, preform for fabricating an optical fiber, optical fiber and apparatus

#106
20070163301
2007-07-19

Photonic bandgap fibers

#107
20070154154
2007-07-05

Fused array preform fabrication of holey optical fibers

#108
20070110377
2007-05-17

High air fraction photonic band gap fibers

#109
20070028651
2007-02-08

Method for making large diameter multicore optical waveguide

#110
20070009216
2007-01-11

Photonic bandgap optical waveguide with anti-resonant core boundary

#111
20060291789
2006-12-28

Photonic crystal fibres comprising stress elements

#112
20060230792
2006-10-19

Hollow core photonic band gap infrared fibers

#113
20060213230
2006-09-28

METHOD OF MANUFACTURING MICROSTRUCTURED OPTICAL FIBER

#114
20060193583
2006-08-31

Photonic bandgap fibers

#115
20060177187
2006-08-10

Birefringent photonic bandgap optical waveguide

#116
20060159410
2006-07-20

Optical fiber

#117
20060153512
2006-07-13

Fused array preform fabrication of holey optical fibers

#118
20060133753
2006-06-22

Hole assisted fiber device and fiber preform

#119
20060130528
2006-06-22

Method of making a hole assisted fiber device and fiber preform

#120
20060123851
2006-06-15

Method of producing a glass preform

#121
20060104582
2006-05-18

Fabrication of microstructured optical fibre

#122
20060096325
2006-05-11

Method of manufacturing photonic crystal fiber using structure-indicating rods or capillaries

#123
20060088260
2006-04-27

Enhanced optical waveguide

#124
20060010921
2006-01-19

Tellurite optical fiber and production method thereof

#125
20060008218
2006-01-12

Method of manufacturing an optical fibre, a preform and an optical fibre

#126
20050276556
2005-12-15

Optical waveguide

#127
20050238307
2005-10-27

Nonlinear optical fibre method of its production and use thereof

#128
20050232560
2005-10-20

METHOD AND APPARATUS RELATING TO OPTICAL FIBRE WAVEGUIDES

#129
20050226578
2005-10-13

Optical fiber and method for making an optical fiber

#130
20050220432
2005-10-06

Photonic crystal fiber capable of single-mode transmission and preform thereof

#131
20050193774
2005-09-08

Method of fabricating preform for holey optical fiber

#132
20050185908
2005-08-25

Hollow-core optical fiber and method of making same

#133
20050147366
2005-07-07

Constructing preforms from capillaries and canes

#134
20050084223
2005-04-21

Polarization retaining photonic crystal fiber

#135
20050084222
2005-04-21

Preform for producing an optical fiber and method therefor

#136
20050074215
2005-04-07

FABRICATION OF HIGH AIR FRACTION PHOTONIC BAND GAP FIBERS

#137
20050034484
2005-02-17

Preparing preforms for fibre fabrication

#138
20050031867
2005-02-10

Optical fibers with improved resistance to ingressing molecules

#139
20050025965
2005-02-03

Hollow core photonic band gap infrared fibers