ClassID:

87285

C03B37/02763 - 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 Fibres having axial variations, e.g. axially varying diameter, material or optical properties

Recent Application in this class:
#1
20250171347
2025-05-29

METHOD AND SYSTEM FOR REDUCING ATTENUATION IN OPTICAL FIBER

#2
20250052949
2025-02-13

OPTICAL FIBER AND METHOD FOR PRODUCING OPTICAL FIBER

#3
20230228937
2023-07-20

Optical fiber and method for producing optical fiber

#4
20230069378
2023-03-02

OPTIMIZED CORE PARTICLES FOR OPTICAL FIBER PREFORM AND OPTICAL FIBER PREFORM THEREOF

#5
20230060842
2023-03-02

METHOD FOR DRAWING AN OPTICAL FIBER USING ROD-IN CYLINDER TECHNIQUE

#6
20220077643
2022-03-10

Optical fiber with variable absorption

#7
20190235160
2019-08-01

Spun round core fiber

#8
20190101694
2019-04-04

Multi-mode optical fiber and methods for manufacturing the same

#9
20180057396
2018-03-01

Single mode optical fibers with Brillouin frequency-shift management

#10
20180011243
2018-01-11

Spun round core fiber

#11
20170233283
2017-08-17

System and method for producing vortex fiber

#12
20170010410
2017-01-12

Spun round core fiber

#13
20150141844
2015-05-21

Optogenetic probe

#14
20150007615
2015-01-08

High Power Fiber Laser System with Side Pumping Arrangement

#15
20130291603
2013-11-07

Optical fiber article for handling higher power and method of fabricating or using

#16
20130239623
2013-09-19

Methods for making active laser fibers

#17
20130182999
2013-07-18

Tapered optical fiber for supercontinuum generation

#18
20130047676
2013-02-28

Method for producing optical fiber having controlled perturbations

#19
20120118020
2012-05-17

Method of producing optical fiber preform and optical fiber

#20
20110024927
2011-02-03

Composite waveguide

#21
20100247047
2010-09-30

Active optical fiber and method for fabricating an active optical fiber

#22
20100238538
2010-09-23

Optical fiber amplifier and methods of making the same

#23
20100008634
2010-01-14

OPTICAL FIBER ARTICLE FOR HANDLING HIGHER POWER AND METHOD OF FABRICATING OR USING

#24
20090003788
2009-01-01

Composite waveguide

#25
20060120678
2006-06-08

Optical fiber with micro-structured cladding

#26
20060024008
2006-02-02

Composite waveguide