ClassID:

87213

C03B37/01228 - 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 Removal of preform material

Sub-classes:
Recent Application in this class:
#1
20230322605
2023-10-12

PRODUCTION METHOD FOR OPTICAL FIBER BASE MATERIAL, AND OPTICAL FIBER BASE MATERIAL

#2
20230266523
2023-08-24

Optical fiber

#3
20230202904
2023-06-29

METHOD FOR PRODUCING OPTICAL FIBER BASE MATERIAL, AND OPTICAL FIBER BASE MATERIAL

#4
20210387892
2021-12-16

Optical fibers and production methods therefor

#5
20200262736
2020-08-20

Method of producing optical fiber preform and optical fiber

#6
20200230774
2020-07-23

CHAMFERING DEVICE AND CHAMFERING METHOD

#7
20190270662
2019-09-05

Method of manufacturing optical fiber preform and optical fiber preform

#8
20190248695
2019-08-15

Manufacturing method of optical fiber preform

#9
20190071342
2019-03-07

PREPARATION AND POST-TREATMENT OF A QUARTZ GLASS BODY

#10
20190062208
2019-02-28

Neutralizing gas system for furnace

#11
20190016630
2019-01-17

Optical fiber preform

#12
20170362113
2017-12-21

Method for forming a glass preform

#13
20170137316
2017-05-18

Method of producing optical fiber preform and optical fiber

#14
20170101339
2017-04-13

Method of assembling optical fiber preforms

#15
20170101334
2017-04-13

METHOD OF MANUFACTURING OPTICAL FIBER PREFORM AND OPTICAL FIBER PREFORM

#16
20170018406
2017-01-19

Method for activating an inner surface of a substrate tube for the manufacturing of an optical-fiber preform

#17
20170015581
2017-01-19

Method for preparing a primary preform by etching and collapsing a deposited tube

#18
20160217994
2016-07-28

Micro-nozzle array

#19
20160181758
2016-06-23

High-efficiency parallel-beam laser optical fibre drawing method and optical fibre

#20
20150299024
2015-10-22

Tubular semifinished product for producing an optical fiber

#21
20150285992
2015-10-08

Optical fiber preform

#22
20150043880
2015-02-12

Methods for producing a semifinished part for the manufacture of an optical fiber which is optimized in terms of bending

#23
20150017440
2015-01-15

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

#24
20130291603
2013-11-07

Optical fiber article for handling higher power and method of fabricating or using

#25
20130008210
2013-01-10

METHOD FOR MANUFACTURING A BIREFRINGENT MICROSTRUCTURED OPTICAL FIBER

#26
20120324960
2012-12-27

Method and tubular semifinished product for producing an optical fiber

#27
20120263428
2012-10-18

Large mode field active optical fiber and manufacture method thereof

#28
20120263427
2012-10-18

Optical fiber and optical fiber preform

#29
20120198892
2012-08-09

METHOD FOR PRODUCING OPTICAL FIBER PREFORM

#30
20120198891
2012-08-09

METHOD FOR PRODUCING OPTICAL FIBER PREFORM

#31
20120186303
2012-07-26

Optical fiber and method of manufacturing optical fiber preform

#32
20120093471
2012-04-19

Low loss optical fiber designs for confining optical power to low-doped regions

#33
20120033924
2012-02-09

Low loss optical fiber designs and methods for their manufacture

#34
20110094268
2011-04-28

Method for producing high strength and long coiling length single-mode fiber for submarine cable

#35
20110056245
2011-03-10

Methods for modifying ovality of optical fiber preforms

#36
20110045298
2011-02-24

FABRICATION OF NANOWIRES

#37
20100086271
2010-04-08

Ultra low PMD fibers and method of making

#38
20100008634
2010-01-14

OPTICAL FIBER ARTICLE FOR HANDLING HIGHER POWER AND METHOD OF FABRICATING OR USING

#39
20090232463
2009-09-17

Low loss optical fiber designs for confining optical power to low-doped regions

#40
20090208760
2009-08-20

ENERGY-TRANSMITTING OR ULTRAVIOLET LIGHT-TRANSMITTING OPTICAL FIBER PREFORM AND PRODUCTION PROCESS THEREOF

#41
20090143212
2009-06-04

HIGH-STRENGTH HEAVY-METAL OXIDE GLASS FIBERS AND PROCESS OF MAKING

#42
20090028488
2009-01-29

Fabrication of nanowires

#43
20080107385
2008-05-08

Optical fiber and manufacturing method thereof

#44
20070125127
2007-06-07

METHODS FOR MODIFYING OVALITY OF OPTICAL FIBER PREFORMS

#45
20070003198
2007-01-04

Low loss optical fiber designs and methods for their manufacture

#46
20060245705
2006-11-02

Method of making optical fiber and optical fiber made by the method

#47
20060213230
2006-09-28

METHOD OF MANUFACTURING MICROSTRUCTURED OPTICAL FIBER

#48
20060137401
2006-06-29

Quartz glass cylinder for production of an optical component and method for production thereof

#49
20060010920
2006-01-19

Method for forming high-density multicore phase-locked fiber laser array

#50
20060005579
2006-01-12

Method of making a preform for an optical fiber, the preform and an optical fiber

#51
20050232560
2005-10-20

METHOD AND APPARATUS RELATING TO OPTICAL FIBRE WAVEGUIDES

#52
20050223747
2005-10-13

Method for making low loss optical fiber

#53
20050201699
2005-09-15

Low loss optical fiber and method for making same

#54
20050168803
2005-08-04

Raman fiber amplifier communication systems

#55
20050147367
2005-07-07

Method for manufacturing base material for optical fiber, apparatus therefor, and base material manufactured by the same

#56
20050123256
2005-06-09

Method of manufacturing a glass based material with defect removal

#57
20050100306
2005-05-12

Method for producing base material for optical fiber having deformed first clad, base material for optical fiber and optical fiber

#58
20050081565
2005-04-21

Method of producing higher-purity glass element, high-purity glass element, and production method and device for glass tube

#59
20050008313
2005-01-13

Cladding-pumped optical fiber and methods for fabricating