C03B 37/01473
Collapsing
Official title: {Collapsing}
C03B37/01473 (Collapsing) appears on 38 US grants and 32 published applications in this corpus.
Search patents in C03B- Granted patents
- 38
- Published applications
- 32
- Assignees
- 13
- Inventors
- 96
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 5 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 3 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 3 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing optical fiber base material, and optical fiber base material26 Aug 2025US 12,398,062 B2Sumitomo Electric Industries, Ltd.
- Method for manufacturing a preform for optical fibers10 Oct 2023US 11,780,762 B2Prysmian S P A.
- Method for producing optical fiber preform, and optical fiber preform28 Feb 2023US 11,591,252 B2Sumitomo Electric Industries, Ltd.
- Method for reducing processing time for optical fiber preforms17 Jan 2023US 11,554,978 B2Corning Incorporated
- Device, system, and method for forming a core-rod for optical fibers9 Aug 2022US 11,407,670 B2Draka Comteq B.V.
- Method for producing optical fiber base material, and optical fiber base material29 Jun 2023US 2023/0202904 A1Sumitomo Electric Industries, Ltd.
- Method for producing optical fiber preform, and optical fiber preform1 Jun 2023US 2023/0167003 A1Sumitomo Electric Industries, Ltd.
- Method for producing optical fiber preform, and optical fiber preform6 May 2021US 2021/0130220 A1Sumitomo Electric Industries, Ltd.
- Optical fiber and manufacuturing method thereof27 Aug 2020US 2020/0270165 A1Chengdu Futong Optical Communication Technologies Co., Ltd.
- Viscocity-Reducing Dopants In Optical Fibers23 Jan 2020US 2020/0024176 A1OFS Fitel, LLC
Most cited
By later US patents
- Method of making glass optical waveguide60US 3,932,162 ACorning Glass Works · 1976
- Devitrification resistant flame hydrolysis process45US 4,486,212 ACorning Glass Works · 1984
- Method of making optical fiber having depressed index core region38US 5,917,109 ACorning Incorporated · 1999
- Method of making glass optical fiber34US 4,453,961 ACorning Glass Works · 1984
- Low water peak optical waveguide and method of manufacturing same33US 6,477,305 B1Corning Incorporated · 2002