Patents-Review.com
ClassID:

87437 ⎘

C03B2205/80 - CPC Classification

Classification description:

Fibre drawing or extruding details; Optical fibre draw furnaces Means for sealing the preform entry or upper end of the furnace

Sub-classes:
Recent Application in this class:
#1
20250083990
2025-03-13

MICROGRAVITY CRUCIBLE-CONTROLLED MANUFACTURING

 #2
20250026675
2025-01-23

HIGH PRESSURE DRAW FURNACE AND METHODS OF PRODUCING OPTICAL FIBERS

 #3
20230295033
2023-09-21

FLEXIBLE SEALING ASSEMBLY FOR OPTICAL FIBER DRAW FURNACE AND OPTICAL FIBER

 #4
20220212978
2022-07-07

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

 #5
20220106223
2022-04-07

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

 #6
20220106222
2022-04-07

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

 #7
20220024800
2022-01-27

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

 #8
20220002182
2022-01-06

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

 #9
20210395133
2021-12-23

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

 #10
20210395132
2021-12-23

OPTICAL FIBRE DRAW FURNACE

 #11
20200369553
2020-11-26

Variable diameter seal for optical preform furnace

 #12
20200166706
2020-05-28

System and method for positioning an optical preform in a furnace

 #13
20200095157
2020-03-26

System and method for manufacturing optical fiber

 #14
20200002213
2020-01-02

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

 #15
20190292090
2019-09-26

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

 #16
20190210910
2019-07-11

Optical fiber drawing method and drawing apparatus

 #17
20190047897
2019-02-14

System and method for manufacturing optical fiber

 #18
20190031553
2019-01-31

System and method for manufacturing optical fiber

 #19
20190031551
2019-01-31

System and method for manufacturing optical fiber

 #20
20190031550
2019-01-31

System and method for manufacturing optical fiber

 #21
20180072609
2018-03-15

Sealing arrangement of a drawing furnace

 #22
20180031767
2018-02-01

System and method for positioning an optical preform in a furnace

 #23
20170253520
2017-09-07

Heat treatment apparatus

 #24
20160002090
2016-01-07

Optical fiber drawing method and optical fiber drawing apparatus

 #25
20150321945
2015-11-12

Optical fiber manufacturing apparatus and method

 #26
20150321944
2015-11-12

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

 #27
20140041416
2014-02-13

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

 #28
20130298501
2013-11-14

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

 #29
20110265522
2011-11-03

Optical fiber manufacturing apparatus and optical fiber manufacturing method

 #30
20100207333
2010-08-19

Seal member

 #31
20100139323
2010-06-10

Optical fiber manufacturing apparatus and optical fiber manufacturing method

 #32
20090025431
2009-01-29

FURNACE FOR FABRICATING A GLASS PREFORM OR AN OPTICAL FIBER

 #33
20070283722
2007-12-13

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

 #34
20060280578
2006-12-14

Optical fiber drawing apparatus and sealing mechanism for the same

 #35
20050115278
2005-06-02

Sealing a fiber drawing furnace