C03B 2205/12
Drawing solid optical fibre directly from a hollow preform
C03B2205/12 (Drawing solid optical fibre directly from a hollow preform) appears on 62 US grants and 47 published applications in this corpus.
Search patents in C03B- Granted patents
- 62
- Published applications
- 47
- Assignees
- 46
- Inventors
- 181
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 5 |
| 2003 | 4 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 5 |
| 2006 | 3 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 4 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 1 |
| 2015 | 3 | 3 |
| 2016 | 4 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 0 | 1 |
| 2023 | 3 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing glass fibers that laterally emit light, and glass fibers produced according to said method24 Jun 2025US 12,338,161 B2Friedrich-Schiller-Universitaet Jena
- Method of fiber production8 Oct 2024US 12,110,248 B2Nkt Photonics A/S
- Elongation method and preform for producing an optical glass component12 Dec 2023US 11,840,472 B2Heraeus Quartz North America LLC
- Elongation method and preform for producing an optical glass component4 Apr 2023US 11,618,708 B2Heraeus Quartz North America LLC
- Method for making an optical fiber device from a 3D printed preform body and related structures17 Jan 2023US 11,554,977 B2Harris Corporation
- Hollow-core assembly with lossy glass25 Jun 2026US 2026/0177740 A1Corning Incorporated
- Hollow-core optical fibers and methods for producing the same19 Feb 2026US 2026/0049019 A1Corning Incorporated
- Hollow-core optical fibers and methods for producing the same19 Feb 2026US 2026/0049020 A1Corning Incorporated
- Optical Fiber Drawing Apparatus and Method Thereof2 Jan 2025US 2025/0002391 A1
- Method of fiber production26 Dec 2024US 2024/0425404 A1Nkt Photonics A/S
Most cited
By later US patents
- Optical waveguide with protective coating67US 4,173,393 ACorning Glass Works · 1979
- Composition for optical waveguide article and method for making continuous clad filament61US 6,128,430 ACorning Incorporated · 2000
- Method of making glass optical waveguide60US 3,932,162 ACorning Glass Works · 1976
- Optical fiber manufacture26US 4,009,014 AInternational Standard Electric Corporation · 1977
- Manufacturing method of an optical waveguide22US 4,123,483 ASumitomo Electric Industries, Ltd. · 1978