Patents-Review.com
ClassID:

87290 ⎘

C03B37/029 - 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 Furnaces therefor

Recent Application in this class:
#1
20260118557
2026-04-30

OPTICAL FIBER COATING COMPOSITION, OPTICAL FIBER, AND PREPARATION METHOD THEREOF

 #2
20250296868
2025-09-25

METHOD OF NANOFIBER FABRICATION WITH A DEUTERIUM OR TRITIUM FLAME

 #3
20250214881
2025-07-03

SYSTEM AND METHOD TO DRAW OPTICALFIBER

 #4
20250206654
2025-06-26

OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER DRAWING DEVICE

 #5
20250172749
2025-05-29

FIBER OPTIC IMAGE INVERTER WITH ULTRA-SHORT TWISTER, FABRICATION METHOD THEREFOR, APPLICATION THEREOF, AND RELATED COMPOSITION

 #6
20250083990
2025-03-13

MICROGRAVITY CRUCIBLE-CONTROLLED MANUFACTURING

 #7
20250051225
2025-02-13

OPTICAL FIBER MARKING ON THE DRAW

 #8
20250034025
2025-01-30

COUNTER-DIRECTIONAL GAS INJECTION FOR A FURNACE SYSTEM

 #9
20250026675
2025-01-23

HIGH PRESSURE DRAW FURNACE AND METHODS OF PRODUCING OPTICAL FIBERS

 #10
20240254032
2024-08-01

OPTICAL FIBER PRODUCTION METHOD, OPTICAL FIBER, OPTICAL FIBER RIBBON PRODUCTION METHOD, OPTICAL FIBER RIBBON, OPTICAL FIBER PRODUCTION DEVICE, AND OPTICAL FIBER RIBBON PRODUCTION DEVICE

 #11
20230406752
2023-12-21

APPARATUSES AND METHODS FOR PROCESSING OPTICAL FIBER

 #12
20230339800
2023-10-26

IN-TOWER OPTICAL FIBER BENDING

 #13
20230192526
2023-06-22

INDUCTIVE FURNACE WITH ROTATING SUSCEPTOR FOR HIGH PRECISION WAVEGUIDE GLASS DRAW

 #14
20230159372
2023-05-25

OPTICAL FIBER FORMING APPARATUS

 #15
20230132984
2023-05-04

OPTICAL FIBER DRAW PRODUCTION SYSTEMS, PRESSURE DEVICES AND METHODS APPLYING PRESSURE TO OPTICAL FIBER

 #16
20230047162
2023-02-16

Optical fiber draw furnace system and method

 #17
20220332627
2022-10-20

WIRE-DRAWING OPTICAL FIBER BASE MATERIAL MANUFACTURING METHOD AND MANUFACTURING APPARATUS

 #18
20220315473
2022-10-06

OPTICAL FIBER DRAW FURNACE SYSTEM AND METHOD

 #19
20220212978
2022-07-07

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

 #20
20220153625
2022-05-19

METHOD AND DEVICE FOR MANUFACTURING A HOLLOW-CORE OPTICAL FIBRE

 #21
20220127183
2022-04-28

Method and device for manufacturing an optical fibre

 #22
20220119299
2022-04-21

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

 #23
20220112117
2022-04-14

Method and apparatus for reclaiming gas in a fiber draw furnace

 #24
20220106223
2022-04-07

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

 #25
20220106222
2022-04-07

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

 #26
20220106221
2022-04-07

PROTECTIVE COATING FOR MUFFLE IN OPTICAL FIBER DRAW FURNACE

 #27
20220098085
2022-03-31

Methods and systems for processing optical fiber

 #28
20220024800
2022-01-27

SEAL STRUCTURE OF WIRE DRAWING FURNACE FOR OPTICAL FIBER, AND PRODUCTION METHOD FOR OPTICAL FIBER

 #29
20220009817
2022-01-13

METHOD FOR MANUFACTURING OPTICAL FIBER

 #30
20220002182
2022-01-06

Method and apparatus for suppressing flow instabilities in an optical fiber draw system

 #31
20210395133
2021-12-23

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

 #32
20210395132
2021-12-23

OPTICAL FIBRE DRAW FURNACE

 #33
20210355018
2021-11-18

Optical fiber forming apparatus

 #34
20210347676
2021-11-11

Slow cooling of optical fibers having halogen doped cores

 #35
20210331963
2021-10-28

Particle exhaust apparatus for optical fiber draw furnace

 #36
20210292223
2021-09-23

Manufacturing method for optical fiber and manufacturing apparatus for optical fiber

 #37
20210269352
2021-09-02

OPTICAL FIBER WITH LOW FICTIVE TEMPERATURE

 #38
20210230044
2021-07-29

Optical fiber draw furnace system and method

 #39
20210179478
2021-06-17

Apparatuses and methods for processing an optical fiber preform

 #40
20210179477
2021-06-17

Methods and systems for processing optical fiber

 #41
20210094867
2021-04-01

Furnace gas feeding device, optical fiber production device, and optical fiber production method

 #42
20210053863
2021-02-25

Suspension structure and suspension method for optical fiber preform and manufacturing method and suspension method for optical fiber

 #43
20200399163
2020-12-24

RF plasma optical fiber annealing apparatuses, systems, and methods of using the same

 #44
20200399162
2020-12-24

DRAWING SYSTEM FOR POLYGONAL OPTICAL FIBER

 #45
20200385302
2020-12-10

Systems and methods for processing an optical fiber

 #46
20200369556
2020-11-26

Optical fiber manufacturing method and optical fiber manufacturing apparatus

 #47
20200369553
2020-11-26

Variable diameter seal for optical preform furnace

 #48
20200308043
2020-10-01

OPTICAL FIBER DRAWING FURNACE HEATING ELEMENT, OPTICAL FIBER DRAWING FURNACE, AND METHOD FOR MANUFACTURING OPTICAL FIBER

 #49
20200247711
2020-08-06

Radiation pumped heater/heating element

 #50
20200166706
2020-05-28

System and method for positioning an optical preform in a furnace

 #51
20200095157
2020-03-26

System and method for manufacturing optical fiber

 #52
20200071223
2020-03-05

Method, device, and system for heating an elongate silica cylinder in manufacturing optical fibers

 #53
20200002213
2020-01-02

Seal structure for optical fiber drawing furnace and optical fiber production method

 #54
20190292090
2019-09-26

Method and apparatus for suppressing flow instabilities in an optical fiber draw system

 #55
20190284085
2019-09-19

Method and apparatus for reclaiming gas in a fiber draw furnace

 #56
20190284084
2019-09-19

Tapered furnace muffles

 #57
20190241459
2019-08-08

Gas reclamation system for optical fiber production

 #58
20190210910
2019-07-11

Optical fiber drawing method and drawing apparatus

 #59
20190152835
2019-05-23

Fiber optic manufacturing in space

 #60
20190101693
2019-04-04

Optical fiber, and system and method for manufacturing optical fiber

 #61
20190092678
2019-03-28

Optical fiber with low fictive temperature

 #62
20190055153
2019-02-21

FLUID BEARINGS HAVING A FIBER SUPPORT CHANNEL FOR SUPPORTING AN OPTICAL FIBER DURING AN OPTICAL FIBER DRAW PROCESS

 #63
20190047897
2019-02-14

System and method for manufacturing optical fiber

 #64
20190031553
2019-01-31

System and method for manufacturing optical fiber

 #65
20190031551
2019-01-31

System and method for manufacturing optical fiber

 #66
20190031550
2019-01-31

System and method for manufacturing optical fiber

 #67
20180356587
2018-12-13

NON-CIRCULAR MULTICORE FIBER AND METHOD OF MANUFACTURE

 #68
20180251393
2018-09-06

Wire-drawing optical fiber base material manufacturing method and manufacturing apparatus

 #69
20180251392
2018-09-06

Fiber optic manufacturing in space

 #70
20180246274
2018-08-30

Methods and systems for controlling air flow through an annealing furnace during optical fiber production

 #71
20180111871
2018-04-26

Purge device for an optical fiber draw system

 #72
20180093915
2018-04-05

Optical fiber with low fictive temperature

 #73
20180072609
2018-03-15

Sealing arrangement of a drawing furnace

 #74
20170322369
2017-11-09

NON-CIRCULAR MULTICORE FIBER AND METHOD OF MANUFACTURE

 #75
20170233282
2017-08-17

Fiber optic manufacturing in space

 #76
20170101336
2017-04-13

Gas reclamation system for optical fiber production

 #77
20170073265
2017-03-16

Optical fiber with low fictive temperature

 #78
20160349447
2016-12-01

Non-circular multicore fiber and method of manufacture

 #79
20160304388
2016-10-20

Porous glass base material sintering method and sintering apparatus

 #80
20160002090
2016-01-07

Optical fiber drawing method and optical fiber drawing apparatus

 #81
20150321945
2015-11-12

Optical fiber manufacturing apparatus and method

 #82
20150321944
2015-11-12

Seal structure of optical fiber drawing furnace, and method for drawing optical fiber

 #83
20150285993
2015-10-08

Fiber bragg gratings in carbon-coated optical fibers and techniques for making same

 #84
20150266767
2015-09-24

Optical fibers produced in microgravity environments and method of production

 #85
20140226948
2014-08-14

Optical fiber producing method and apparatus and optical fiber

 #86
20140196505
2014-07-17

Glass preform heating furnace

 #87
20140041416
2014-02-13

Heating apparatus of induction furnace used for stretching large-diameter preformed rods of optical fibers

 #88
20130340483
2013-12-26

Graphite heating furnace

 #89
20130298501
2013-11-14

Sealing apparatus having a plurality of sealing elements arranged around a center opening into a ring configuration

 #90
20130182999
2013-07-18

Tapered optical fiber for supercontinuum generation

 #91
20120321261
2012-12-20

METHOD FOR PRODUCING OPTICAL FIBER

 #92
20120192594
2012-08-02

OPTICAL FIBER DRAWING METHODS AND DRAWING FURNACES

 #93
20120118018
2012-05-17

OPTICAL FIBER PREFORM, METHOD OF MANUFACTURING OPTICAL FIBER PREFORM, AND METHOD OF MANUFACTURING OPTICAL FIBER

 #94
20120053043
2012-03-01

Method for producing a glass fiber and device

 #95
20110265522
2011-11-03

Optical fiber manufacturing apparatus and optical fiber manufacturing method

 #96
20110094268
2011-04-28

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

 #97
20100207333
2010-08-19

Seal member

 #98
20100139323
2010-06-10

Optical fiber manufacturing apparatus and optical fiber manufacturing method

 #99
20090260401
2009-10-22

HEATER HAVING MULTI HOT-ZONES, FURNACE HAVING THE HEATER FOR DRAWING DOWN OPTICAL FIBER PREFORM INTO OPTICAL FIBER, AND METHOD FOR DRAWING OPTICAL FIBER USING THE SAME

 #100
20090241604
2009-10-01

Optical fiber drawing methods and drawing furnaces

 #101
20090145169
2009-06-11

Optical fiber drawing furnace with gas flow tubes

 #102
20090038345
2009-02-12

Apparatus for fabricating an optical fiber

 #103
20090025431
2009-01-29

FURNACE FOR FABRICATING A GLASS PREFORM OR AN OPTICAL FIBER

 #104
20070283722
2007-12-13

Apparatus and method for drawing an optical fiber having reduced and low attenuation loss, and optical fiber produced therefrom

 #105
20070180862
2007-08-09

Graphite heating furnace

 #106
20060280578
2006-12-14

Optical fiber drawing apparatus and sealing mechanism for the same

 #107
20060230791
2006-10-19

Method for producing an optical fiber having low polarization mode dispersion

 #108
20060224270
2006-10-05

Method for determining the fundamental oscillation frequency in an optical fiber and an application of a tensile force thus measured

 #109
20060204193
2006-09-14

Drawing method for bare optical fiber with suppressed hydrogen diffusion

 #110
20060191293
2006-08-31

Furnace and process for drawing radiation resistant optical fiber

 #111
20060130524
2006-06-22

Method and apparatus for making optical fibres

 #112
20060115913
2006-06-01

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

 #113
20060101861
2006-05-18

Optical fiber making apparatus and method

 #114
20050274151
2005-12-15

Method of manufacturing single mode optical fiber

 #115
20050274149
2005-12-15

Hot formed articles and method and apparatus for hot-forming

 #116
20050259944
2005-11-24

Fiber waveguide formed from chalcogenide glass and polymer

 #117
20050223751
2005-10-13

Method and a device in the manufacture of an optical fibre

 #118
20050204778
2005-09-22

Method for manufacturing an optical fibre

 #119
20050188728
2005-09-01

Apparatus and method for manufacturing optical fiber including rotating optical fiber preforms during draw

 #120
20050115278
2005-06-02

Sealing a fiber drawing furnace

 #121
20050066690
2005-03-31

Method of and apparatus for producing optical fiber

 #122
20050066689
2005-03-31

Device and method for producing glass fibers

 #123
20050042559
2005-02-24

Furnaces having dual gas screens and methods for operating the same

 #124
20050016219
2005-01-27

Insulation of a heating element in a furnace for drawing optical fibers