C03B 2205/14
Comprising collapse of an outer tube onto an inner central solid preform
Official title: comprising collapse of an outer tube onto an inner central solid preform rod
C03B2205/14 (Comprising collapse of an outer tube onto an inner central solid preform) appears on 30 US grants and 25 published applications in this corpus.
Search patents in C03B- Granted patents
- 30
- Published applications
- 25
- Assignees
- 28
- Inventors
- 100
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 3 |
| 2003 | 4 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 4 |
| 2006 | 3 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 3 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
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
- Multicore fiber and method of manufacture of the same27 Dec 2016US 9,529,146 B2Fujikura Ltd.
- Method of producing preform for coupled multi-core fiber, method of producing coupled multi-core fiber, and coupled multi-core fiber14 Jun 2016US 9,366,807 B2Fujikura Ltd.
- Methods for manufacturing optical fiber preform and methods for manufacturing optical fiber21 Jul 2015US 9,086,524 B2Yangtze Optical Fibre and Cable Joint Stock Limited Company
- Method of producing preform for coupled multi-core fiber, method of producing coupled multi-core fiber, and coupled multi-core fiber3 Mar 2015US 8,971,684 B2Fujikura Ltd.
- Optical Fiber Drawing Apparatus and Method Thereof2 Jan 2025US 2025/0002391 A1
- Method of manufacturing optical fiber preform and method of manufacturing optical fiber21 Nov 2024US 2024/0383796 A1Furukawa Electric Co., Ltd.
- Method for producing optical fiber, and optical fiber14 Nov 2024US 2024/0375991 A1Sumitomo Electric Industries, Ltd.
- Method for drawing an optical fiber using rod-in cylinder technique2 Mar 2023US 2023/0060842 A1Sterlite Technologies Limited
- Method for producing glass fibers that laterally emit light, and glass fibers produced according to said method8 Dec 2022US 2022/0388891 A1Friedrich-Schiller-Universitaet Jena
Most cited
By later US patents
- Method of making glass optical waveguide60US 3,932,162 ACorning Glass Works · 1976
- Manufacturing method of an optical waveguide22US 4,123,483 ASumitomo Electric Industries, Ltd. · 1978
- Process for producing chalcogenide glass fiber18US 4,908,053 ANon Oxide Glass Research and Development Co., Ltd. · 1990
- Chalcogenide glass fiber17US 6,074,968 AHoya Corporation · 2000
- Process for producing preform for glass fiber and process for producing glass fiber14US 5,958,103 AHoya Corporation · 1999