C03B 2205/00
Fibre drawing or extruding details
C03B2205/00 (Fibre drawing or extruding details) appears on 662 US grants and 612 published applications in this corpus.
Search patents in C03B- Granted patents
- 662
- Published applications
- 612
- Assignees
- 224
- Inventors
- 1,331
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 15 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 17 |
| 2002 | 17 | 39 |
| 2003 | 34 | 31 |
| 2004 | 27 | 49 |
| 2005 | 20 | 42 |
| 2006 | 16 | 28 |
| 2007 | 15 | 18 |
| 2008 | 10 | 14 |
| 2009 | 9 | 19 |
| 2010 | 18 | 15 |
| 2011 | 20 | 18 |
| 2012 | 13 | 12 |
| 2013 | 14 | 18 |
| 2014 | 12 | 11 |
| 2015 | 13 | 20 |
| 2016 | 17 | 20 |
| 2017 | 15 | 27 |
| 2018 | 17 | 27 |
| 2019 | 21 | 34 |
| 2020 | 21 | 33 |
| 2021 | 21 | 22 |
| 2022 | 28 | 22 |
| 2023 | 25 | 21 |
| 2024 | 12 | 15 |
| 2025 | 13 | 24 |
| 2026 | 13 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C03B 2205/60Optical fibre draw furnacesIndexing code221
- C03B 2205/40Monitoring or regulating the draw tension or draw rateIndexing code122
- C03B 2205/06Rotating the fibre fibre about its longitudinal axisIndexing code83
- C03B 2205/10PressurisedIndexing code75
- C03B 2205/08Sub-atmospheric pressure appliedIndexing code70
- C03B 2205/56Annealing or re-heating the drawn fibre prior to coatingIndexing code64
- C03B 2205/12Drawing solid optical fibre directly from a hollow preformIndexing code62
- C03B 2205/42Drawing at high speed, i.e. > 10 m/sIndexing code55
All 20 subgroupsShow fewer
- C03B 2205/55Cooling or annealing the drawn fibre prior to coating using a seriesIndexing code41
- C03B 2205/30Means for continuous drawing from a preformIndexing code28
- C03B 2205/50Cooling the drawn fibre using liquid coolant prior to coatingIndexing code25
- C03B 2205/47Shaping the preform draw bulb before or during drawingIndexing code21
- C03B 2205/44Monotoring or regulating the preform feed rateIndexing code20
- C03B 2205/20Irradiation of the base fibre during drawing to modify waveguide propertiesIndexing code19
- C03B 2205/02Upward drawingIndexing code16
- C03B 2205/57Recovering, recycling or purifying the coolantIndexing code16
- C03B 2205/45Monotoring or regulating the preform neck-down region with respect to position orIndexing code14
- C03B 2205/04Non-vertical drawingIndexing code11
- C03B 2205/32Simultaneous drawing of multiple preforms to separate multiple fibresIndexing code3
- C03B 2205/46Monotoring or regulating the preform position with respect to the draw axisIndexing code3
Recent patents
- Nanofiber manufacturing device and method for quantum computing18 Aug 2026US 12,709,565 B1Nanofiber Quantum Technologies, Inc.
- Methods for producing hollow-core optical fibers2 Jun 2026US 12,645,027 B2Corning Incorporated
- Optical fiber glass preform and method for drawing optical fiber glass preform12 May 2026US 12,623,948 B2Shin-Etsu Chemical Co., Ltd.
- Optical fiber draw production systems, pressure devices and methods applying pressure to optical fiber12 May 2026US 12,623,949 B2Corning Incorporated
- Light-based optical fiber heaters using hollow light pipes12 May 2026US 12,623,950 B2Corning Incorporated
- Reduction of loss and improved long-term reliability of hollow core fibers30 Jul 2026US 2026/0217591 A1
- Apparatus of manufacturing optical fiber and method of manufacturing optical fiber16 Jul 2026US 2026/0200787 A1Sumitomo Electric Industries, Ltd.
- Glass fiber and method for producing the same25 Jun 2026US 2026/0176185 A1Nan Ya Plastics Corporation
- Hollow-core assembly with lossy glass25 Jun 2026US 2026/0177740 A1Corning Incorporated
- A method of producing photonic crystal fibers18 Jun 2026US 2026/0167554 A1ASML Netherlands B. V.
Most cited
By later US patents
- Relational database management system having integrated non-relational multi-dimensional data store of aggregated data elements251US 6,385,604 B1Hyperroll Israel, Ltd. · 2002
- Active optical fiber and method for fabricating an active optical fiber235US 8,433,168 B2Optoelectronics Research Center, Tampere University of Technology · 2013
- Data aggregation server supporting rapid query response with sparse multi-dimensional data91US 7,392,248 B2Hyperroll Israel, Ltd. · 2008
- Methods and apparatus for forming heat treated optical fiber72US 7,565,820 B2Corning Incorporated · 2009
- Optical fiber draw furnace68US 5,410,567 ACorning Incorporated · 1995