ClassID:

87217

C03B37/0124 - 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; Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down

Sub-classes:
Recent Application in this class:
#1
20260132071
2026-05-14

METHOD FOR PROCESSING GLASS FILAMENT

#2
20260035283
2026-02-05

METHOD OF MANUFACTURING A PREFORM FOR A HOLLOW CORE OPTICAL FIBER

#3
20250376408
2025-12-11

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

#4
20250243106
2025-07-31

OPTICAL FIBER PREFORM AND METHOD OF MANUFACTURING OPTICAL FIBER PREFORM

#5
20240375991
2024-11-14

METHOD FOR PRODUCING OPTICAL FIBER, AND OPTICAL FIBER

#6
20230312390
2023-10-05

SYSTEM AND METHODS FOR PROCESSING AN OPTICAL FIBER PREFORM

#7
20230011708
2023-01-12

METHOD FOR PROCESSING GLASS FILAMENT

#8
20220267192
2022-08-25

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

#9
20220242773
2022-08-04

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

#10
20220234936
2022-07-28

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

#11
20220227658
2022-07-21

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

#12
20200399162
2020-12-24

DRAWING SYSTEM FOR POLYGONAL OPTICAL FIBER

#13
20200283329
2020-09-10

System and methods for processing an optical fiber preform

#14
20200283327
2020-09-10

Method for elongating glass preform for optical fiber

#15
20190324196
2019-10-24

Optical fiber with a shaped photosensitivity profile for producing structures with photoinduced modulation of refractive index, in particular Bragg gratings

#16
20190016630
2019-01-17

Optical fiber preform

#17
20180362392
2018-12-20

Optical fiber

#18
20180265395
2018-09-20

Method of manufacturing preforms for optical fibres having low attenuation loss

#19
20180244556
2018-08-30

Production method for multicore optical fiber

#20
20180002215
2018-01-04

Formation of elongated glass components with low bow using a gripper device

#21
20170254733
2017-09-07

Method for preform or tube drawing based on its viscosity

#22
20170197236
2017-07-13

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

#23
20160318793
2016-11-03

Optical fiber preform

#24
20160251254
2016-09-01

Glass base material elongating method and glass base material elongating apparatus

#25
20150336841
2015-11-26

Method for manufacturing an optical preform

#26
20150316712
2015-11-05

Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same

#27
20150285992
2015-10-08

Optical fiber preform

#28
20150017440
2015-01-15

Quartz glass tube as a semi-finished product for an optical component

#29
20140174136
2014-06-26

Plant for producing an elongate element usable for producing an optical fibre

#30
20140020430
2014-01-23

Glass base material elongation method

#31
20130314940
2013-11-28

Side emitting glass element

#32
20130291601
2013-11-07

Glass base material elongating method and glass base material elongating apparatus

#33
20130205833
2013-08-15

Glass base material elongating method

#34
20130186148
2013-07-25

Glass base material elongating method and glass base material elongating apparatus

#35
20130008210
2013-01-10

METHOD FOR MANUFACTURING A BIREFRINGENT MICROSTRUCTURED OPTICAL FIBER

#36
20120263427
2012-10-18

Optical fiber and optical fiber preform

#37
20120141080
2012-06-07

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

#38
20120093469
2012-04-19

Ultra high numerical aperture optical fibers

#39
20120055199
2012-03-08

Method of manufacturing optical fiber preform

#40
20120040184
2012-02-16

Method of Fabricating an Optical Fiber Preform

#41
20110162413
2011-07-07

Method of manufacturing optical fiber base material

#42
20110132039
2011-06-09

GLASS PREFORM DRAWING APPARATUS

#43
20110100064
2011-05-05

METHOD AND APPARATUS FOR MANUFACTURING AN OPTICAL FIBER CORE ROD

#44
20110100063
2011-05-05

Methods for forming an overclad portion of an optical fiber from pelletized glass soot

#45
20110052128
2011-03-03

Optical Fiber Preform With Improved Air/Glass Interface Structure

#46
20110045298
2011-02-24

FABRICATION OF NANOWIRES

#47
20100260949
2010-10-14

SYNTHETIC SILICA GLASS TUBE FOR THE PRODUCTION OF A PREFORM

#48
20100195964
2010-08-05

Optical fiber and a method for making such

#49
20100189390
2010-07-29

Ultra high numerical aperture optical fibers

#50
20100095706
2010-04-22

Method for manufacturing optical fibers and optical fiber performs

#51
20100005837
2010-01-14

METHOD OF MANUFACTURING AN ELONGATED GLASS BODY

#52
20090308106
2009-12-17

Electric furnace extension method and extension apparatus for optical fiber glass preform

#53
20090095024
2009-04-16

PROCESS FOR PRODUCING OPTICAL FIBER

#54
20090095023
2009-04-16

Ultra high numerical aperture optical fibers

#55
20090028488
2009-01-29

Fabrication of nanowires

#56
20090019893
2009-01-22

Method for producing a tube of quartz glass by elongating a hollow cylinder of quartz glass

#57
20080279515
2008-11-13

Optical fiber containing alkali metal oxide

#58
20080271495
2008-11-06

Reduction of optical fiber cane/preform deformation in consolidation

#59
20080271493
2008-11-06

Method for elongating a glass body

#60
20080240663
2008-10-02

Ultra high numerical aperture optical fibers

#61
20080148777
2008-06-26

Optical fiber preform with improved air/glass interface structure

#62
20080138023
2008-06-12

Optical waveguide

#63
20070165978
2007-07-19

Single polarization fiber and method of evaluating fiber cutoff wavelengths using optical time domain reflectometry

#64
20060191294
2006-08-31

Synthetic silica glass tube for the production of a preform, method for producing the same in a vertical drawing process and use of said tube

#65
20060104582
2006-05-18

Fabrication of microstructured optical fibre

#66
20060088262
2006-04-27

Rare earth doped single polarization double clad optical fiber with plurality of air holes

#67
20060086148
2006-04-27

Process and apparatus for elongating of an optical fibre preform

#68
20050276556
2005-12-15

Optical waveguide

#69
20050274149
2005-12-15

Hot formed articles and method and apparatus for hot-forming

#70
20050232560
2005-10-20

METHOD AND APPARATUS RELATING TO OPTICAL FIBRE WAVEGUIDES

#71
20050213904
2005-09-29

Method and apparatus for processing a preform

#72
20050172672
2005-08-11

Method for drawing glass parent material and drawing machine for use therein

#73
20050132753
2005-06-23

Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus

#74
20050076675
2005-04-14

Method and device for producing a cylindrical glass body

#75
20050063663
2005-03-24

Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same

#76
18842284
2025-04-08

Capillary array and preparation method and application therefor