C03B 2207/26
Multiple ports for glass precursor
C03B2207/26 (Multiple ports for glass precursor) appears on 26 US grants and 7 published applications in this corpus.
Search patents in C03B- Granted patents
- 26
- Published applications
- 7
- Assignees
- 14
- Inventors
- 62
- Latest grant
- 14 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Adjustable fume tube burner14 Feb 2023US 11,577,983 B2Corning Incorporated
- Adjustable fume tube burner5 Jan 2021US 10,882,777 B2Corning Incorporated
- Burner for synthesization7 Jan 2020US 10,526,236 B2Shin-Etsu Chemical Co., Ltd.
- Method for producing glass particulate deposit and method for producing glass preform3 Sep 2019US 10,399,888 B2Sumitomo Electric Industries, Ltd.
- Method for producing glass particulate deposit and method for producing glass preform13 Jun 2017US 9,676,657 B2Sumitomo Electric Industries, Ltd.
- Adjustable fume tube burner25 Mar 2021US 2021/0087099 A1Corning Incorporated
- Burner for synthesization18 Apr 2019US 2019/0112217 A1Shin-Etsu Chemical Co., Ltd.
- Adjustable fume tube burner20 Sep 2018US 2018/0265394 A1Corning Incorporated
- Method for producing glass particulate deposit and method for producing glass preform18 Jun 2015US 2015/0166399 A1Sumitomo Electric Industries, Ltd.
- Method for producing glass particulate deposit and method for producing glass preform14 May 2015US 2015/0128650 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Low temperature method for making optical fibers39US 4,378,987 ACorning Glass Works · 1983
- Method for synthesizing MgO--Al.sub.2 O.sub.3 --SiO.sub.2 glasses and ceramics35US 4,604,118 ACorning Glass Works · 1986
- Method for manufacturing an optical fiber preform34US 4,224,046 ANippon Telegraph & Telephone Public Corporation · 1980
- Fabrication methods of doped silica glass and optical fiber preform by using the doped silica glass25US 4,414,012 ANippon Telegraph & Telephone Public Corporation · 1983
- Method, apparatus and burner for fabricating an optical fiber preform23US 4,618,354 ANippon Telegraph & Telephone Public Corporation · 1986