C03B 37/01453
For doping the preform with flourine
Official title: {for doping the preform with flourine}
C03B37/01453 (For doping the preform with flourine) appears on 57 US grants and 76 published applications in this corpus.
Search patents in C03B- Granted patents
- 57
- Published applications
- 76
- Assignees
- 12
- Inventors
- 111
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 4 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 4 |
| 2013 | 0 | 2 |
| 2014 | 1 | 4 |
| 2015 | 1 | 6 |
| 2016 | 1 | 9 |
| 2017 | 8 | 9 |
| 2018 | 7 | 3 |
| 2019 | 2 | 6 |
| 2020 | 1 | 3 |
| 2021 | 7 | 3 |
| 2022 | 4 | 3 |
| 2023 | 6 | 6 |
| 2024 | 0 | 3 |
| 2025 | 1 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing fluorine-containing silica glass2 Jun 2026US 12,643,812 B2Sumitomo Electric Industries, Ltd.
- Method for making halogen doped optical element26 May 2026US 12,637,384 B2Corning Incorporated
- Microstructured optical fiber and preform for same having specific oxygen deficiency center and chlorine concentrations24 Feb 2026US 12,560,755 B2Heraeus Quarzglas GmbH & Co.KG
- Method for manufacturing optical fiber glass preform23 Sep 2025US 12,421,156 B2Shin-Etsu Chemical Co., Ltd.
- Method for manufacturing a preform for optical fibers10 Oct 2023US 11,780,762 B2Prysmian S P A.
- Manufacturing method of optical fiber preform, and optical fiber preform10 Sep 2026US 2026/0265113 A1Sumitomo Electric Industries, Ltd.
- Hollow core optical fiber, hollow core optical fiber preform, and method of making the same28 Aug 2025US 2025/0271612 A1Corning Incorporated
- Silica glass body manufacturing method and heating device20 Mar 2025US 2025/0091932 A1Sumitomo Electric Industries, Ltd.
- Microstructured optical fiber and preform for same29 Feb 2024US 2024/0069272 A1Heraeus Quarzglas GmbH & Co.KG
- Alkali doped optical fiber with reduced attenuation8 Feb 2024US 2024/0043313 A1Corning Incorporated
Most cited
By later US patents
- Microstructured transmission optical fiber42US 7,505,660 B2Corning Incorporated · 2009
- Method of making optical fiber having depressed index core region38US 5,917,109 ACorning Incorporated · 1999
- Alkali and fluorine doped optical fiber37US 7,088,900 B1Corning Incorporated · 2006
- Method for making index-profiled optical device28US 4,620,861 ACorning Glass Works · 1986
- Optical fiber containing alkali metal oxide23US 7,536,076 B2Corning Incorporated · 2009