C03B 37/032
For glass optical fibres
Official title: {for glass optical fibres}
C03B37/032 (For glass optical fibres) appears on 148 US grants and 171 published applications in this corpus.
Search patents in C03B- Granted patents
- 148
- Published applications
- 171
- Assignees
- 58
- Inventors
- 323
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 6 |
| 2003 | 11 | 10 |
| 2004 | 5 | 17 |
| 2005 | 3 | 5 |
| 2006 | 1 | 3 |
| 2007 | 3 | 1 |
| 2008 | 3 | 3 |
| 2009 | 1 | 7 |
| 2010 | 3 | 4 |
| 2011 | 7 | 4 |
| 2012 | 3 | 3 |
| 2013 | 3 | 5 |
| 2014 | 3 | 3 |
| 2015 | 6 | 5 |
| 2016 | 4 | 8 |
| 2017 | 3 | 8 |
| 2018 | 9 | 8 |
| 2019 | 5 | 16 |
| 2020 | 8 | 10 |
| 2021 | 8 | 10 |
| 2022 | 10 | 8 |
| 2023 | 8 | 8 |
| 2024 | 6 | 2 |
| 2025 | 2 | 7 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning step to remove metals or metal oxides from porous glass body19 May 2026US 12,630,459 B2Corning Incorporated
- Optical fiber draw production systems, pressure devices and methods applying pressure to optical fiber12 May 2026US 12,623,949 B2Corning Incorporated
- In-tower optical fiber bending5 May 2026US 12,617,709 B2
- Flexible sealing assembly for optical fiber draw furnace and optical fiber25 Nov 2025US 12,479,752 B2
- Wire-drawing optical fiber base material manufacturing method and manufacturing apparatus10 Jun 2025US 12,325,657 B2Shin-Etsu Chemical Co., Ltd.
- Apparatus of manufacturing optical fiber and method of manufacturing optical fiber16 Jul 2026US 2026/0200787 A1Sumitomo Electric Industries, Ltd.
- Single-draw multi-step multi-furnace fabrication of hollow-core fibers18 Jun 2026US 2026/0167555 A1University of Central Florida Research Foundation, Inc.
- Method for measuring twist of optical fiber and method for manufacturing optical fiber11 Jun 2026US 2026/0160641 A1Sumitomo Electric Industries, Ltd.
- System and method for fabrication of hollow-core fibers28 May 2026US 2026/0145987 A1Relativity Networks, Inc.
- Furnace design to improve drawing of hollow-core fibers5 Feb 2026US 2026/0035285 A1Corning Incorporated
Most cited
By later US patents
- Method for using on line optic fiber loss monitor87US 4,081,258 AInternational Telephone and Telegraph Corporation · 1978
- Method of making a fiber having low polarization mode dispersion due to a permanent spin58US 5,298,047 AAT&T Bell Laboratories · 1994
- Method and apparatus for tensile testing and rethreading optical fiber during fiber draw58US 7,832,675 B2Corning Incorporated · 2010
- Method for manufacturing helical optical fiber42US 4,028,081 ABell Telephone Laboratories, Incorporated · 1977
- Article comprising optical fiber having low polarization mode dispersion, due to permanent spin41US 5,418,881 AAT&T Corp. · 1995