ClassID:

87240

C03B37/01413 - 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 made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] Reactant delivery systems

Sub-classes:
Recent Application in this class:
#1
20220024801
2022-01-27

Raw material supply device for production of glass fine particle deposits and raw material supply method

#2
20210395131
2021-12-23

APPARATUS AND METHOD FOR MANUFACTURING POROUS GLASS PREFORM FOR OPTICAL FIBER

#3
20210387106
2021-12-16

Method for cleaning vaporizer and vaporization apparatus

#4
20210284567
2021-09-16

Manufacturing method of porous glass base material for optical fiber

#5
20200270164
2020-08-27

GAS BRANCHING APPARATUS AND METHOD FOR MANUFACTURING FINE GLASS PARTICLE DEPOSITED BODY USING THE SAME

#6
20200262736
2020-08-20

Method of producing optical fiber preform and optical fiber

#7
20190369325
2019-12-05

High chlorine content low attenuation optical fiber

#8
20190300419
2019-10-03

Apparatus and method for manufacturing porous glass preform for optical fiber

#9
20190241458
2019-08-08

Method for manufacturing porous glass fine particle body, manufacturing apparatus for porous glass fine particle body, and method for manufacturing glass preform

#10
20190004245
2019-01-03

Optical fibers having a varying clad index and methods of forming same

#11
20180216227
2018-08-02

Parallel slit torch for making optical fiber preform

#12
20170275198
2017-09-28

Gas branching apparatus and method for manufacturing fine glass particle deposited body using the same

#13
20170225998
2017-08-10

Method for manufacturing glass-fine-particle-deposited body and method for manufacturing glass base material

#14
20170168231
2017-06-15

High chlorine content low attenuation optical fiber

#15
20170137316
2017-05-18

Method of producing optical fiber preform and optical fiber

#16
20170057864
2017-03-02

Method of manufacturing multi-mode optical fiber

#17
20160257602
2016-09-08

USING SILICON TETRAFLOURIDE DURING POWDER-IN-TUBE (PIT) PROCESS

#18
20160200620
2016-07-14

Method for producing iron-doped silica glass

#19
20160107923
2016-04-21

Evaporator and method for producing synthetic fused quartz

#20
20160011365
2016-01-14

High chlorine content low attenuation optical fiber

#21
20150316712
2015-11-05

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

#22
20150098682
2015-04-09

Optical fiber preform, method for producing optical fiber, and optical fiber

#23
20150052952
2015-02-26

Apparatus and method for manufacturing glass preform

#24
20140356273
2014-12-04

Apparatus for mixing vaporized precursor and gas and method therefor

#25
20140349830
2014-11-27

Method for producing synthetic quartz glass and quartz glass for use as cladding material of an optical fiber

#26
20140338400
2014-11-20

Method for manufacturing soot glass deposit body

#27
20140305168
2014-10-16

Method for manufacturing glass-fine-particle-deposited body and method for manufacturing glass base material

#28
20140283557
2014-09-25

Quartz glass manufacturing method using hydrogen obtained by vaporizing liquid hydrogen

#29
20140254997
2014-09-11

Optical fiber preform, method for producing optical fiber, and optical fiber

#30
20140090426
2014-04-03

Method of manufacturing porous glass deposition body for optical fiber

#31
20130202264
2013-08-08

Waveguides having patterned, flattened modes

#32
20130167593
2013-07-04

PCVD method and apparatus

#33
20130133378
2013-05-30

Method for producing synthetic quartz glass

#34
20130133377
2013-05-30

Method for producing synthetic quartz glass

#35
20130133376
2013-05-30

Atomizing method for producing synthetic quartz glass

#36
20130133375
2013-05-30

Method for producing synthetic quartz glass

#37
20130094824
2013-04-18

Bend insensitive fiber

#38
20130029038
2013-01-31

Method of making a multimode optical fiber

#39
20130025326
2013-01-31

METHODS FOR MANUFACTURING LOW WATER PEAK OPTICAL WAVEGUIDE

#40
20130011319
2013-01-10

Apparatus for mixing vaporized precursor and gas and method therefor

#41
20120321260
2012-12-20

Optical waveguides having flattened high order modes

#42
20120301093
2012-11-29

Single-mode optical fiber

#43
20120294577
2012-11-22

Optical fiber

#44
20120279259
2012-11-08

Method and apparatus of producing optical fiber preform

#45
20120276291
2012-11-01

Methods and Apparatuses for Reducing Gelation of Glass Precursor Materials During Vaporization

#46
20120192593
2012-08-02

Method for producing optical fiber preform

#47
20120057834
2012-03-08

Optical Fiber, Optical Fiber Preform and Method of Fabricating Same

#48
20120036896
2012-02-16

Method of manufacturing an optical fibre preform

#49
20110314874
2011-12-29

APPARATUS AND METHOD FOR MANUFACTURING GLASS PREFORM

#50
20110107797
2011-05-12

Optical fiber preform manufacturing method and optical fiber preform manufacturing device

#51
20100238538
2010-09-23

Optical fiber amplifier and methods of making the same

#52
20100209859
2010-08-19

Apparatus and method for supplying hydrogen gas, and quartz glass manufacturing apparatus

#53
20100077800
2010-04-01

Method for fabricating porous silica preform

#54
20100011813
2010-01-21

QUARTZ GLASS MANUFACTURING METHOD AND QUARTZ GLASS MANUFACTURING APPARATUS

#55
20090116809
2009-05-07

Amplifying optical fiber operating at a wavelength in the range of 1000-1700 nm, methods of fabricating the same, and fiber laser

#56
20090084141
2009-04-02

Single Mode Optical Fiber and Manufacturing Method Therefor

#57
20080295541
2008-12-04

METHOD OF MANUFACTURING AN OPTICAL FIBER PREFORM USING A HIGH FREQUENCY INDUCTION THERMAL PLASMA

#58
20080080823
2008-04-03

Rare earth doped optical fiber

#59
20070271959
2007-11-29

Method of Manufacturing Glass Base Material

#60
20070177846
2007-08-02

Rare earth doped double clad optical fiber with plurality of air holes and stress rods

#61
20070089464
2007-04-26

Apparatus for fabricating soot preform

#62
20060198591
2006-09-07

Optical fiber, method for manufacturing same and optical transmission channel

#63
20060141142
2006-06-29

Multilayered optical structures

#64
20060137404
2006-06-29

Method for manufacturing glass rod

#65
20060088262
2006-04-27

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

#66
20060088261
2006-04-27

Rare earth doped single polarization double clad optical fiber and a method for making such fiber

#67
20060010922
2006-01-19

Method for vaporizing a liquid reactant in manufacturing a glass preform

#68
20050284184
2005-12-29

Methods for optical fiber manufacture

#69
20050271347
2005-12-08

Optical fiber and method for making such fiber

#70
20050262877
2005-12-01

Method of depositing glass soot

#71
20050241341
2005-11-03

Method for the preparation of doped oxide material

#72
20050166641
2005-08-04

Apparatus for deposition by flame hydrolysis

#73
20050155390
2005-07-21

Apparatus for manufacturing porous glass preform for optical fiber

#74
20050155388
2005-07-21

Method of forming optical fiber preforms

#75
20050135759
2005-06-23

Optical fiber assembly

#76
20050120752
2005-06-09

Substantially dry, silica-containing soot, fused silica and optical fiber soot preforms, apparatus, methods and burners for manufacturing same

#77
20050120751
2005-06-09

Method for manufacturing a preform for optical fibres

#78
20050109065
2005-05-26

Method for fabricating porous silica preform

#79
20050089289
2005-04-28

Optical fiber, method for manufacturing same and optical transmission channel

#80
20050069638
2005-03-31

System for forming a gas flow of reactants for a doped glass material

#81
20050063663
2005-03-24

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

#82
20050063654
2005-03-24

Low loss optical fiber and method for fabricating an optical fiber preform

#83
20050031279
2005-02-10

Optical fiber preform, optical fiber, and manufacturing methods thereof

#84
20050022562
2005-02-03

Isotopically altered optical fiber

#85
20050019504
2005-01-27

High rate deposition for the formation of high quality optical coatings