C03B 37/0148
Means for heating preforms during or immediately prior to deposition
Official title: {Means for heating preforms during or immediately prior to deposition (C03B37/0142, C03B37/01876 take precedence)}
C03B37/0148 (Means for heating preforms during or immediately prior to deposition) appears on 35 US grants and 18 published applications in this corpus.
Search patents in C03B- Granted patents
- 35
- Published applications
- 18
- Assignees
- 21
- Inventors
- 104
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for manufacturing optical fiber glass preform23 Sep 2025US 12,421,156 B2Shin-Etsu Chemical Co., Ltd.
- Manufacturing apparatus and manufacturing method for optical fiber porous preform21 Nov 2023US 11,820,691 B2Furukawa Electric Co., Ltd.
- Manufacturing method of optical fiber preform4 May 2021US 10,995,030 B2Fujikura Ltd.
- Soot deposition body manufacturing apparatus and manufacturing method25 Feb 2020US 10,570,050 B2Shin-Etsu Chemical Co., Ltd.
- Plasma deposition process for producing an optical preform with a cladding glass layer of fluorine-doped quartz glass8 Nov 2016US 9,487,429 B2Heraeus Quarzglas GmbH & Co.KG
- Method for manufacturing optical fiber glass preform26 Jan 2023US 2023/0023064 A1Shin-Etsu Chemical Co., Ltd.
- Organic germania and silica sources for making optical fiber preforms15 Jul 2021US 2021/0214266 A1
- Manufacturing apparatus and manufacturing method for optical fiber porous preform16 Jan 2020US 2020/0017396 A1Furukawa Electric Co., Ltd.
- Manufacturing method of optical fiber preform15 Aug 2019US 2019/0248695 A1Fujikura Ltd.
- Soot deposition body manufacturing apparatus and manufacturing method22 Feb 2018US 2018/0050951 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Method for manufacturing an optical fibre51US 3,957,474 ANippon Telegraph & Telephone Public Corporation · 1976
- Dispersion managed optical waveguide47US 5,894,537 ACorning Incorporated · 1999
- Method for manufacturing an article comprising a refractory dielectric body45US 5,000,771 AAT&T Bell Laboratories · 1991
- Dispersion managed optical waveguide28US 6,044,191 ACorning Incorporated · 2000
- Method and apparatus for modifying the transverse cross section of a body16US 5,221,306 AAT&T Bell Laboratories · 1993