C03B37/012 - CPC Classification Index

ClassID:

87203 ⎘

C03B37/012 - 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

Sub-classes:

C03B37/01202 » {Means for storing or carrying optical fibre preforms, e.g. containers} 8
C03B37/01205 » {starting from tubes, rods, fibres or filaments } 63
C03B37/01265 » {starting entirely or partially from molten glass, e.g. by dipping a preform in a melt} 8
C03B37/0128 » {starting from pulverulent glass} 12
C03B37/014 » 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] } 77

Recent Application in this class:

20260023212

2026-01-22

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

20240036253

2024-02-01

HOLLOW-CORE OPTICAL FIBERS

20240034664

2024-02-01

HOLLOW-CORE OPTICAL FIBERS AND METHODS FOR PRODUCING THE SAME

20230331621

2023-10-19

HIGH MODULUS FIBERGLASS COMPOSITION WITH REDUCED ENERGY CONSUMPTION

20220170181

2022-06-02

LONGITUDINALLY NON-UNIFORM PREFORM AND METHOD OF MAKING THE SAME

20210323856

2021-10-21

Element for a preform, a fiber production method and an optical fiber drawn from the preform

20210302647

2021-09-30

Optical Fiber with Sequential Varying Core Profile Zones

20210047190

2021-02-18

System for manufacturing fumed silica particles

20200131072

2020-04-30

OPTICAL GLASS AND OPTICAL ELEMENT

#10

20200087194

2020-03-19

Method for making an optical fiber device from a 3D printed preform body and related structures

#11

20190292087

2019-09-26

Apparatus for manufacturing optical fiber preform

#12

20190047896

2019-02-14

Method for making an optical fiber device from a 3D printed preform body and related structures

#13

20180339931

2018-11-29

Element for a preform, a fiber production method and an optical fiber drawn from the preform

#14

20170363806

2017-12-21

Methods of manufacturing wide-band multi-mode optical fibers and core preforms for the same using specific fluorine doping parameter and 850 nm alpha profile

#15