Patents-Review.com
ClassID:

87223 ⎘

C03B37/01257 - 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 Heating devices therefor

Recent Application in this class:
#1
20250171346
2025-05-29

APPARATUS FOR MANUFACTURING OPTICAL FIBER PREFORM, METHOD FOR MANUFACTURING OPTICAL FIBER PREFORM, OPTICAL FIBER PREFORM AND OPTICAL FIBER

 #2
20250051216
2025-02-13

OPTICAL FIBER MANUFACTURING APPARATUS AND OPTICAL FIBER MANUFACTURING METHOD

 #3
20240228359
2024-07-11

OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING APPARATUS

 #4
20240217860
2024-07-04

PROCESS OF MAKING MULTI-CORE FIBER PREFORM BY INTEGRATING CORE RODS AND CLADDING CYLINDER

 #5
20230312390
2023-10-05

SYSTEM AND METHODS FOR PROCESSING AN OPTICAL FIBER PREFORM

 #6
20230174407
2023-06-08

METHOD FOR AUTOMATICALLY PROCESSING CONICAL TIP OF OPTICAL FIBER PREFORM

 #7
20220402802
2022-12-22

Apparatus for optical fiber manufacturing process

 #8
20220363584
2022-11-17

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

 #9
20220169564
2022-06-02

Spool-free fiber optic cable configuration for cable installation onto a powerline conductor

 #10
20210163336
2021-06-03

Heating burner for producing an integral bond between components of quartz glass

 #11
20210047224
2021-02-18

METHOD FOR SINTERING OF AN OPTICAL FIBRE PREFORM

 #12
20200354268
2020-11-12

Spool-free fiber optic cable configuration for cable installation onto a powerline conductor

 #13
20200283329
2020-09-10

System and methods for processing an optical fiber preform

 #14
20200262736
2020-08-20

Method of producing optical fiber preform and optical fiber

 #15
20200223737
2020-07-16

Automated large outside diameter preform tipping process and resulting glass preforms

 #16
20200071223
2020-03-05

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

 #17
20190359516
2019-11-28

Device, system, and method for forming a core-rod for optical fibers

 #18
20190002327
2019-01-03

Method for producing an integral bond between components of quartz glass and heating burner suited therefor

 #19
20170137316
2017-05-18

Method of producing optical fiber preform and optical fiber

 #20
20170096362
2017-04-06

Apparatus and method for producing core rod of optical fiber

 #21
20160257600
2016-09-08

MANUFACTURING IRREGULAR-SHAPED PREFORMS

 #22
20160257599
2016-09-08

Easy removal of a thin-walled tube in a powder-in-tube (PIT) process

 #23
20150218031
2015-08-06

Glass rod machining method and machining apparatus

 #24
20140196505
2014-07-17

Glass preform heating furnace

 #25
20140096566
2014-04-10

Glass base material elongating apparatus

 #26
20130340483
2013-12-26

Graphite heating furnace

 #27
20130333421
2013-12-19

Process for producing optical fiber and processing apparatus for optical fiber work used for the same

 #28
20130272670
2013-10-17

Low macrobending loss single-mode optical fibre

 #29
20120186302
2012-07-26

Glass lathe

 #30
20120118018
2012-05-17

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

 #31
20120027959
2012-02-02

METHOD OF SHEATHING A SOLID-STATE LASER MEDIUM AND DEVICE FOR IMPLEMENTING IT

 #32
20100236289
2010-09-23

Glass tube processing method

 #33
20100064733
2010-03-18

Glass tube processing apparatus

 #34
20090019893
2009-01-22

Method for producing a tube of quartz glass by elongating a hollow cylinder of quartz glass

 #35
20070180862
2007-08-09

Graphite heating furnace

 #36
20060130524
2006-06-22

Method and apparatus for making optical fibres

 #37
20060115913
2006-06-01

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

 #38
20060016226
2006-01-26

Glass-body-heating apparatus and production method of optical fiber preform incorporaing the apparatus

 #39
20050144983
2005-07-07

Glass tube processing method, apparatus and glass tube

 #40
20050069015
2005-03-31

Resistance furnace with tubular heating element