C03B 37/01274
By extrusion or drawing
Official title: {by extrusion or drawing}
C03B37/01274 (By extrusion or drawing) appears on 57 US grants and 45 published applications in this corpus.
Search patents in C03B- Granted patents
- 57
- Published applications
- 45
- Assignees
- 37
- Inventors
- 149
- Latest grant
- 30 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 4 |
| 2003 | 2 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 5 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molding device and molding method for optical fiber preform30 Apr 2024US 11,970,420 B2China Jiliang University
- Antiresonant hollow core fibre, preform therefor and method of fabrication6 Jun 2023US 11,668,871 B2University of Southampton
- Method for preparing all-solid-state photonic crystal fiber preforms by extrusion20 Dec 2022US 11,530,156 B2Ningbo University
- Polarization-maintaining photonic crystal fiber19 Jul 2022US 11,391,886 B2IRflex Corporation
- Optical fibers with multiple openings from additive manufacturing3 Nov 2020US 10,822,262 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Method and device for preparing fluoride glass optical fiber preform by tube suction method5 Mar 2026US 2026/0062337 A1China Jiliang University
- Method of manufacturing a hollow core optical fiber5 Feb 2026US 2026/0035282 A1Corning Incorporated
- Methods and systems for producing hollow-core preforms, components thereof, and hollow-core optical fibers5 Feb 2026US 2026/0035284 A1Corning Incorporated
- Molding device and molding method for optical fiber preform5 Oct 2023US 2023/0312391 A1China Jiliang University
- Antiresonant hollow core fibre, preform therefor and method of fabrication23 Jun 2022US 2022/0196907 A1University of Southampton
Most cited
By later US patents
- Method of bundling rods so as to form an optical fiber preform47US 6,711,918 B1Sandia National Laboratories · 2004
- Making a glass rod with a step of measuring an incremental weight gain41US 6,772,611 B2Sandia National Laboratories · 2004
- Method for extruding articles31US 4,195,982 AWestern Electric Company, Inc. · 1980
- Preform for producing an optical fiber and method therefor29US 6,882,786 B1Sandia National Laboratories · 2005
- Method for making a layered glass article22US 4,875,917 ACorning Incorporated · 1989