ClassID:

87280

C03B37/02718 - CPC Classification

Classification description:

Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags; Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms; Fibres composed of different sorts of glass, e.g. glass optical fibres Thermal treatment of the fibre during the drawing process, e.g. cooling

Sub-classes:
Recent Application in this class:
#1
20250376409
2025-12-11

PROCESS TO PRODUCE MULTICORE OPTICAL FIBER PREFORM

#2
20250206654
2025-06-26

OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER DRAWING DEVICE

#3
20250171347
2025-05-29

METHOD AND SYSTEM FOR REDUCING ATTENUATION IN OPTICAL FIBER

#4
20250128978
2025-04-24

SLOW COOLING OF REDUCED CLADDING DIAMETER OPTICAL FIBERS

#5
20250083990
2025-03-13

MICROGRAVITY CRUCIBLE-CONTROLLED MANUFACTURING

#6
20250052944
2025-02-13

METHOD FOR PRODUCING MULTICORE OPTICAL FIBER, AND MULTICORE OPTICAL FIBER

#7
20250051216
2025-02-13

OPTICAL FIBER MANUFACTURING APPARATUS AND OPTICAL FIBER MANUFACTURING METHOD

#8
20240254034
2024-08-01

ALKALI DOPED MULITCORE OPTICAL FIBER WITH REDUCED DEVITRIFICATION

#9
20240230984
2024-07-11

CONTROLLING REFRACTIVE INDEX PROFILE DURING FIBER PREFORM MANUFACTURING

#10
20240174546
2024-05-30

MICROGRAVITY CRUCIBLE-CONTROLLED MANUFACTURING

#11
20240150219
2024-05-09

HOLLOW CORE OPTICAL FIBERS AND METHODS OF MAKING

#12
20240150218
2024-05-09

HOLLOW CORE OPTICAL FIBERS AND METHODS OF MAKING

#13
20240134113
2024-04-25

CONTROLLING REFRACTIVE INDEX PROFILE DURING FIBER PREFORM MANUFACTURING

#14
20240051865
2024-02-15

OPTICAL FIBER PREFORM PRODUCTION METHOD, OPTICAL FIBER PREFORM, AND OPTICAL FIBER PRODUCTION METHOD

#15
20230234879
2023-07-27

Systems and methods for processing optical fiber

#16
20230192526
2023-06-22

INDUCTIVE FURNACE WITH ROTATING SUSCEPTOR FOR HIGH PRECISION WAVEGUIDE GLASS DRAW

#17
20230159372
2023-05-25

OPTICAL FIBER FORMING APPARATUS

#18
20230131288
2023-04-27

LIGHT-BASED OPTICAL FIBER HEATERS USING HOLLOW LIGHT PIPES

#19
20220390668
2022-12-08

DRAW TOWER GRATING PRODUCTION METHOD AND SYSTEM

#20
20220119299
2022-04-21

METHOD OF FABRICATING OPTICAL FIBER GLASS BASE MATERIAL, AND APPARATUS FOR FABRICATING OPTICAL FIBER GLASS BASE MATERIAL

#21
20220073408
2022-03-10

Translating fluid bearings during an optical fiber draw process

#22
20220009817
2022-01-13

METHOD FOR MANUFACTURING OPTICAL FIBER

#23
20210387894
2021-12-16

Methods and systems for cooling optical fiber

#24
20210347676
2021-11-11

Slow cooling of optical fibers having halogen doped cores

#25
20210292223
2021-09-23

Manufacturing method for optical fiber and manufacturing apparatus for optical fiber

#26
20210262868
2021-08-26

Method for producing an optical fibre for a distributed measurement of temperature or deformation in a harsh environment using the Rayleigh backscattered signal

#27
20210253469
2021-08-19

Systems and methods for processing optical fiber

#28
20210179478
2021-06-17

Apparatuses and methods for processing an optical fiber preform

#29
20210179477
2021-06-17

Methods and systems for processing optical fiber

#30
20200385302
2020-12-10

Systems and methods for processing an optical fiber

#31
20200369556
2020-11-26

Optical fiber manufacturing method and optical fiber manufacturing apparatus

#32
20200369555
2020-11-26

Optical fiber preform production method, optical fiber preform, and optical fiber production method

#33
20200264359
2020-08-20

Light diffusing optical fibers having uniform illumination along diffusion lengths and methods of forming the same

#34
20200088936
2020-03-19

Draw tower grating production method and system

#35
20190101693
2019-04-04

Optical fiber, and system and method for manufacturing optical fiber

#36
20190056249
2019-02-21

Rayleigh scattering based distributed fiber sensors with optimized scattering coefficients

#37
20180305239
2018-10-25

Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus therefor

#38
20180305238
2018-10-25

Apparatus and method for cooling a glass strand produced by means of tube drawing

#39
20180265396
2018-09-20

NOVEL COOLING SYSTEM FOR OPTICAL FIBER DRAWING

#40
20180111871
2018-04-26

Purge device for an optical fiber draw system

#41
20170297947
2017-10-19

Methods of making an optical fiber, and optical fiber

#42
20170219770
2017-08-03

Low attenuation fiber with viscosity matched core and inner clad

#43
20170217822
2017-08-03

Method of manufacturing optical fiber

#44
20160229734
2016-08-11

Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus therefor

#45
20150370010
2015-12-24

Low attenuation fiber with viscosity matched core and inner clad

#46
20150315062
2015-11-05

Methods of making optical fiber with reduced hydrogen sensitivity

#47
20150285994
2015-10-08

MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF OPTICAL FIBER

#48
20150251945
2015-09-10

OPTICAL FIBER FABRICATION METHOD

#49
20150040614
2015-02-12

Methods of making optical fiber with reduced hydrogen sensitivity that include fiber redirection

#50
20140096565
2014-04-10

Methods and apparatuses for cooling optical fibers

#51
20140056596
2014-02-27

Optical fiber and optical transmission system

#52
20130312461
2013-11-28

Method for cooling optical fiber

#53
20130277014
2013-10-24

Optical fiber cooling device

#54
20130259436
2013-10-03

Optical fiber manufacturing method, optical fiber and endoscope

#55
20130255323
2013-10-03

Method and apparatus for manufacturing optical fiber

#56
20130148934
2013-06-13

Optical fiber, optical transmission system, and method of making optical fiber

#57
20130118208
2013-05-16

Method and apparatus for manufacturing optical fiber

#58
20120260697
2012-10-18

Systems and methods for cooling optical fiber

#59
20120053043
2012-03-01

Method for producing a glass fiber and device

#60
20110289980
2011-12-01

Method for producing optical fiber using linear non-contact fiber centering

#61
20110289979
2011-12-01

Method for producing optical fiber at reduced pressure

#62
20110274404
2011-11-10

Method for manufacturing optical fiber and optical fiber

#63
20110239709
2011-10-06

Manufacturing method of optical fiber

#64
20110094717
2011-04-28

Systems and methods for cooling optical fiber

#65
20100281922
2010-11-11

Methods for drawing optical fibers using a fluid bearing

#66
20100212364
2010-08-26

OPTICAL FIBER MANUFACTURING METHODS

#67
20100107701
2010-05-06

Optical fiber manufacturing, cooling and coating method

#68
20090291199
2009-11-26

Apparatus and methods of control for coolant recycling

#69
20090271384
2009-10-29

Relational database management system having integrated non-relational multi-dimensional data store of aggregated data elements

#70
20090158779
2009-06-25

Methods and systems for producing a coated optical fibers

#71
20090145168
2009-06-11

OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING APPARATUS

#72
20090139270
2009-06-04

Fiber air turn for low attenuation fiber

#73
20090139269
2009-06-04

Fiber cure with extended irradiators

#74
20090084141
2009-04-02

Single Mode Optical Fiber and Manufacturing Method Therefor

#75
20080031581
2008-02-07

Optical fiber and method of manufacturing an optical fiber

#76
20070192295
2007-08-16

Relational database management system having integrated non-relational multi-dimensional data store or aggregated data elements

#77
20070183728
2007-08-09

Method of manufacturing an optical fibre having variations in the refractive index

#78
20070113589
2007-05-24

Gas Control Device and Corresponding Method for Recovering Coolant Gases in a Fiber Coolant System

#79
20070022786
2007-02-01

Methods and apparatus for forming heat treated optical fiber

#80
20060204193
2006-09-14

Drawing method for bare optical fiber with suppressed hydrogen diffusion

#81
20060101861
2006-05-18

Optical fiber making apparatus and method

#82
20060093294
2006-05-04

Optical fiber with suppressed stimulated Brillouin scattering and method for making such a fiber

#83
20050274151
2005-12-15

Method of manufacturing single mode optical fiber

#84
20050259944
2005-11-24

Fiber waveguide formed from chalcogenide glass and polymer

#85
20050259932
2005-11-24

Optical fiber and a method for manufacturing same

#86
20050252246
2005-11-17

Method for manufacturing optical fiber

#87
20050238306
2005-10-27

Method for manufacturing an optical fibre having variations in the refractive index

#88
20050223751
2005-10-13

Method and a device in the manufacture of an optical fibre

#89
20050218371
2005-10-06

Heat transfer fluids and methods of making and using same

#90
20050091237
2005-04-28

Relational database management system having integrated non-relational multi-dimensional data store of aggregated data elements

#91
20050066689
2005-03-31

Device and method for producing glass fibers