C03C 25/18
Extrusion
C03C25/18 (Extrusion) appears on 136 US grants and 73 published applications in this corpus.
Search patents in C03C- Granted patents
- 136
- Published applications
- 73
- Assignees
- 76
- Inventors
- 316
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 3 |
| 2002 | 3 | 5 |
| 2003 | 8 | 5 |
| 2004 | 2 | 6 |
| 2005 | 3 | 2 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 5 |
| 2010 | 0 | 2 |
| 2011 | 2 | 4 |
| 2012 | 1 | 0 |
| 2013 | 4 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 6 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 3 | 3 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 3 | 4 |
| 2022 | 4 | 3 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coating device having first and second temperature controlled flow paths for coating a glass fiber and coating method17 Mar 2026US 12,577,153 B2Sumitomo Electric Industries, Ltd.
- Process for drying wet glass fibre forming packages20 May 2025US 12,304,854 B2Owens Corning Intellectual Capital, LLC
- Method for manufacturing optical fiber6 May 2025US 12,291,481 B2Sumitomo Electric Industries, Ltd.
- Method of applying coating liquid to an optical fiber18 Jun 2024US 12,012,358 B2Corning Incorporated
- Process for drying wet glass fibre forming packages14 May 2024US 11,981,599 B2Owens Corning Intellectual Capital, LLC
- Coated inorganic filaments and their preparation18 Dec 2025US 2025/0382225 A1FibreCoat GmbH
- Optical fibers with non-circular coating9 Oct 2025US 2025/0314817 A1Corning Incorporated
- Method of Cladding Ceramic Optical Fibers20 Feb 2025US 2025/0059099 A1Government of the United States as Represented by the Secretary of the Air Force
- Tri-layer ceramic optical fibers and method of making20 Feb 2025US 2025/0060529 A1Government of the United States as Represented by the Secretary of the Air Force
- Process for drying wet glass fibre forming packages1 Aug 2024US 2024/0254042 A1Owens Corning Intellectual Capital, LLC
Most cited
By later US patents
- Multiple coating of fibers106US 4,474,830 AAT&T Bell Laboratories · 1984
- Applicator for high-speed gel buffering of flextube optical fiber bundles94US 7,045,010 B2Alcatel · 2006
- Method and apparatus for recoating optical waveguide fibers53US 4,662,307 ACorning Glass Works · 1987
- Method of forming coated optical fiber51US 4,410,561 ABell Telephone Laboratories, Incorporated · 1983
- High power laser radiation conveying device utilizing variable section fiber optics47US 4,521,070 AConsiglio Nazionale Delle Ricerche · 1985