C03B 2205/20
Irradiation of the base fibre during drawing to modify waveguide properties
C03B2205/20 (Irradiation of the base fibre during drawing to modify waveguide properties) appears on 19 US grants and 17 published applications in this corpus.
Search patents in C03B- Granted patents
- 19
- Published applications
- 17
- Assignees
- 17
- Inventors
- 59
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 0 |
| 2003 | 3 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light-based optical fiber heaters using hollow light pipes12 May 2026US 12,623,950 B2Corning Incorporated
- Method of manufacturing optical fiber and apparatus for manufacturing optical fiber21 Oct 2025US 12,448,317 B2Sumitomo Electric Industries, Ltd.
- Radiation pumped heater/heating element6 Sep 2022US 11,434,162 B2Soreq Nuclear Research Center
- Fiber Bragg gratings in carbon-coated optical fibers and techniques for making same21 Nov 2017US 9,822,035 B2OFS Fitel, LLC
- Fiber bragg gratings in carbon-coated optical fibers and techniques for making same31 May 2016US 9,353,001 B2OFS Fitel, LLC
- Method of manufacturing optical fiber and apparatus for manufacturing optical fiber28 Dec 2023US 2023/0416140 A1Sumitomo Electric Industries, Ltd.
- Light-based optical fiber heaters using hollow light pipes27 Apr 2023US 2023/0131288 A1Corning Incorporated
- Radiation pumped heater/heating element6 Aug 2020US 2020/0247711 A1Soreq Nucelar Research Center
- Fiber Bragg Gratings in Carbon-Coated Optical Fibers and Techniques for Making Same15 Feb 2018US 2018/0044234 A1OFS Fitel, LLC
- Methods and systems for processing optical fibers24 Aug 2017US 2017/0240456 A1Corning Incorporated
Most cited
By later US patents
- Technique to prepare high-reflectance optical fiber bragg gratings with single exposure in-line or fiber draw tower46US 5,400,422 AThe United States of America as represented by the Secretary of the Navy · 1995
- Optical fiber and method for making the same27US 6,766,088 B2Sumitomo Electric Industries, Ltd. · 2004
- Optical fiber having improved optics and structure16US 6,526,209 B1Sumitomo Electric Industries, Ltd. · 2003
- Optical fiber14US 6,636,677 B2Sumitomo Electric Industries, Ltd. · 2003
- Optical fiber with suppressed stimulated Brillouin scattering and method for making such a fiber13US 7,167,621 B2Nufern · 2007