ClassID:

87255

C03B37/01807 - 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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod Reactant delivery systems, e.g. reactant deposition burners

Sub-classes:
Recent Application in this class:
#1
20220033294
2022-02-03

METHOD FOR MANUFACTURING GLASS FINE PARTICLE DEPOSIT AND METHOD FOR MANUFACTURING GLASS BASE MATERIAL

#2
20210309558
2021-10-07

Method and apparatus for reproducibly producing a preform for glass fiber manufacture

#3
20200283328
2020-09-10

Glass body manufacturing apparatus, glass body manufacturing method, soot conveying mechanism, and soot heating mechanism

#4
20190270662
2019-09-05

Method of manufacturing optical fiber preform and optical fiber preform

#5
20190119143
2019-04-25

Optical fiber preforms with halogen doping

#6
20180362392
2018-12-20

Optical fiber

#7
20180201536
2018-07-19

Method for the defined separation of a glass layer on an inner wall of a preform and preform and communication system

#8
20180079678
2018-03-22

Rotary feed-through for mounting a rotating substrate tube in a lathe, a CVD lathe and a corresponding method using the CVD lathe

#9
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

#10
20160318793
2016-11-03

Optical fiber preform

#11
20160147010
2016-05-26

Optical fiber

#12
20160083284
2016-03-24

Process for fabrication of ytterbium doped optical fiber

#13
20150370008
2015-12-24

Optical-fiber preform and method for manufacturing optical-fiber preform

#14
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

#15
20150316712
2015-11-05

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

#16
20150299022
2015-10-22

Optical fiber preform manufacturing method, optical fiber preform, and optical fiber

#17
20150285992
2015-10-08

Optical fiber preform

#18
20150253499
2015-09-10

Broadband multi-mode optical fibers with flat-zone in dopant concentration profile

#19
20150098682
2015-04-09

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

#20
20150052952
2015-02-26

Apparatus and method for manufacturing glass preform

#21
20140341520
2014-11-20

Multimode optical fibre

#22
20140322456
2014-10-30

PCVD method for manufacturing a primary preform for optical fibers

#23
20140254997
2014-09-11

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

#24
20140127507
2014-05-08

Method for manufacturing optical fiber base material, and optical fiber

#25
20130272670
2013-10-17

Low macrobending loss single-mode optical fibre

#26
20130202264
2013-08-08

Waveguides having patterned, flattened modes

#27
20130133378
2013-05-30

Method for producing synthetic quartz glass

#28
20130094824
2013-04-18

Bend insensitive fiber

#29
20130034654
2013-02-07

METHOD FOR MAKING AN OPTICAL FIBER PREFORM

#30
20120321260
2012-12-20

Optical waveguides having flattened high order modes

#31
20120315006
2012-12-13

Single-mode optical fiber

#32
20120301093
2012-11-29

Single-mode optical fiber

#33
20120276291
2012-11-01

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

#34
20120263427
2012-10-18

Optical fiber and optical fiber preform

#35
20120192593
2012-08-02

Method for producing optical fiber preform

#36
20120189262
2012-07-26

Optical fiber preform, optical fiber, and method of manufacturing optical fiber preform

#37
20120159995
2012-06-28

Methods of making single mode optical fibers with reduced bend sensitivity and catastrophic bend loss

#38
20120060561
2012-03-15

Glass preform manufacturing method

#39
20120040184
2012-02-16

Method of Fabricating an Optical Fiber Preform

#40
20120036896
2012-02-16

Method of manufacturing an optical fibre preform

#41
20110314874
2011-12-29

APPARATUS AND METHOD FOR MANUFACTURING GLASS PREFORM

#42
20110302966
2011-12-15

Method for manufacturing a primary preform

#43
20110247369
2011-10-13

Internal vapour deposition process

#44
20110247368
2011-10-13

Internal vapour deposition process

#45
20100154479
2010-06-24

Method and device for manufacturing an optical preform

#46
20100071420
2010-03-25

Optical fiber preform fabricating method

#47
20090290841
2009-11-26

Reduced bend sensitivity and catastrophic bend loss in single mode optical fibers and method of making same

#48
20090180174
2009-07-16

RARE-EARTH-DOPED OPTICAL FIBER, OPTICAL FIBER AMPLIFIER, AND METHOD OF MANUFACTURING A PREFORM FOR SUCH FIBER

#49
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

#50
20090019894
2009-01-22

Method for manufacturing a multimode optical fibre

#51
20080292256
2008-11-27

Optical fiber with tin doped core-cladding interface

#52
20080279515
2008-11-13

Optical fiber containing alkali metal oxide

#53
20080271495
2008-11-06

Reduction of optical fiber cane/preform deformation in consolidation

#54
20080050086
2008-02-28

Optical fiber containing alkali metal oxide

#55
20080050079
2008-02-28

Low attenuation optical fiber and its producing method in MCVD

#56
20080028799
2008-02-07

Optical fiber preform manufacturing method

#57
20070297735
2007-12-27

Optical fiber containing alkali metal oxide

#58
20070175242
2007-08-02

Method and device for producing optical fiber matrix

#59
20070077438
2007-04-05

Soot layer formation for solution doping of glass preforms

#60
20070074541
2007-04-05

Synthesis of germanium sulphide and related compounds

#61
20070062222
2007-03-22

Method for charging particles in a material manufacturing process

#62
20060204189
2006-09-14

Manufacturing method of optical fiber preform, manufacturing method of optical fiber, and optical fiber

#63
20060193581
2006-08-31

Method for the production of an optical fibre, preform, and an optical fibre

#64
20060185398
2006-08-24

Method for fabricating a multimode optical fiber preform having longitudinal uniformity

#65
20060185397
2006-08-24

Multimode optical fiber and method for manufacturing same

#66
20060179888
2006-08-17

Manufacture of optical fibers using enhanced doping

#67
20060130530
2006-06-22

Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom

#68
20060112734
2006-06-01

Modified chemical vapor deposition device for manufacturing optical fiber preform

#69
20060107698
2006-05-25

Automatic pressure control device for quartz tube

#70
20050286848
2005-12-29

Optical fibers with reduced splice loss and methods for making same

#71
20050284184
2005-12-29

Methods for optical fiber manufacture

#72
20050284183
2005-12-29

Fiber optic cable and process for manufacturing

#73
20050276555
2005-12-15

Glass-body-producing method and optical glass body and optical fiber

#74
20050241341
2005-11-03

Method for the preparation of doped oxide material

#75
20050226578
2005-10-13

Optical fiber and method for making an optical fiber

#76
20050223747
2005-10-13

Method for making low loss optical fiber

#77
20050201699
2005-09-15

Low loss optical fiber and method for making same

#78
20050120751
2005-06-09

Method for manufacturing a preform for optical fibres

#79
20050081566
2005-04-21

Method for manufacturing a bar-shaped preform as well as a method for manufacturing optical fibres from such a bar-shaped preform

#80
20050063663
2005-03-24

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

#81
20050063654
2005-03-24

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

#82
20050063653
2005-03-24

Multimode optical fibre having a refractive index profile, optical communication system using same and method for manufacturing such a fibre

#83
20050041943
2005-02-24

Method for the production of an optical fibre, preform, and an optical fibre

#84
20050022562
2005-02-03

Isotopically altered optical fiber

#85
20050000253
2005-01-06

Method of manufacture of low water peak single mode optical fiber