ClassID:

87244

C03B37/0144 - 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] Means for after-treatment or catching of worked reactant gases

Recent Application in this class:
#1
20240342650
2024-10-17

METHOD FOR RECOVERING GERMANIUM

#2
20220106220
2022-04-07

MANUFACTURING METHOD FOR POROUS GLASS DEPOSIT AND APPARATUS FOR MANUFACTURING POROUS GLASS DEPOSIT

#3
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

#4
20200361808
2020-11-19

Apparatus and method for manufacturing glass preforms for optical fibers

#5
20200339465
2020-10-29

Method for manufacturing optical fiber preform, optical fiber preform, method for manufacturing optical fiber, and optical fiber

#6
20200017396
2020-01-16

Manufacturing apparatus and manufacturing method for optical fiber porous preform

#7
20140161406
2014-06-12

METHOD OF MANUFACTURING OPTICAL FIBER PREFORM AND OPTICAL FIBER

#8
20090324816
2009-12-31

Low Permeability Gas Recycling in Consolidation

#9
20090071195
2009-03-19

Device and method for manufacturing a preform for optical fibres by chemical vapour deposition

#10
20080148781
2008-06-26

Manufacturing apparatus for porous glass base material

#11
20080087048
2008-04-17

Glass base material manufacturing apparatus and method thereof

#12
20080006058
2008-01-10

Process and apparatus for producing porous quartz glass base

#13
20070256456
2007-11-08

Manufacturing apparatus of porous glass base material and glass base material for optical fiber

#14
20070240455
2007-10-18

Optical fiber preform fabricating apparatus

#15
20070209397
2007-09-13

Manufacturing apparatus of porous glass base material

#16
20050199014
2005-09-15

Apparatus for producing glass particles deposit

#17
20050166641
2005-08-04

Apparatus for deposition by flame hydrolysis

#18
20050011353
2005-01-20

Method for the recovery and recycle of helium and chlorine

#19
15812697
2020-10-06

Method and apparatus for recovering germanium from optic fibers