C03B 2207/24
Multiple flame type
Official title: Multiple flame type, e.g. double-concentric flame
C03B2207/24 (Multiple flame type) appears on 16 US grants and 18 published applications in this corpus.
Search patents in C03B- Granted patents
- 16
- Published applications
- 18
- Assignees
- 9
- Inventors
- 37
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber preform24 Mar 2026US 12,583,782 B2Shin-Etsu Chemical Co., Ltd.
- Method of producing soot11 Jun 2024US 12,006,246 B2Corning Incorporated
- Adjustable fume tube burner14 Feb 2023US 11,577,983 B2Corning Incorporated
- Method of producing soot8 Feb 2022US 11,242,277 B2Corning Incorporated
- Adjustable fume tube burner5 Jan 2021US 10,882,777 B2Corning Incorporated
- Method of producing soot21 Apr 2022US 2022/0119298 A1Corning Incorporated
- Methods for increasing deposition in a flame hydrolysis deposition process31 Mar 2022US 2022/0098084 A1
- Optical fiber preform13 Jan 2022US 2022/0009816 A1Shin-Etsu Chemical Co., Ltd.
- Adjustable fume tube burner25 Mar 2021US 2021/0087099 A1Corning Incorporated
- Method of producing soot27 Feb 2020US 2020/0062635 A1Corning Incorporated
Most cited
By later US patents
- Method, apparatus and burner for fabricating an optical fiber preform23US 4,618,354 ANippon Telegraph & Telephone Public Corporation · 1986
- Optical member made of silica glass, method for manufacturing silica glass, and reduction projection exposure apparatus using the optical member19US 6,649,268 B1Nikon Corporation · 2003
- Method, apparatus and burner for fabricating an optical fiber preform18US 4,801,322 ANippon Telegraph and Telephone Corporation · 1989
- Burner for producing glass fine particles and method of making glass14US 4,826,520 AFurukawa Electric Co., Ltd. · 1989
- Fabrication of lightguide soot preforms6US 4,915,716 AAmerican Telephone and Telegraph Company · 1990