C03B 2205/72
Controlling or measuring the draw furnace temperature
C03B2205/72 (Controlling or measuring the draw furnace temperature) appears on 57 US grants and 68 published applications in this corpus.
Search patents in C03B- Granted patents
- 57
- Published applications
- 68
- Assignees
- 30
- Inventors
- 157
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 4 |
| 2002 | 3 | 5 |
| 2003 | 5 | 7 |
| 2004 | 6 | 6 |
| 2005 | 2 | 6 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 3 |
| 2012 | 2 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 3 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 3 | 2 |
| 2019 | 3 | 7 |
| 2020 | 1 | 4 |
| 2021 | 5 | 4 |
| 2022 | 3 | 3 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber draw production systems, pressure devices and methods applying pressure to optical fiber12 May 2026US 12,623,949 B2Corning Incorporated
- Method for manufacturing optical fiber glass preform23 Sep 2025US 12,421,156 B2Shin-Etsu Chemical Co., Ltd.
- Particle exhaust apparatus for optical fiber draw furnace3 Sep 2024US 12,077,466 B2Corning Incorporated
- System and method for nitrogen doping of a glass article6 Feb 2024US 11,891,331 B2Corning Incorporated
- Manufacturing method for optical fiber and manufacturing apparatus for optical fiber6 Jun 2023US 11,667,560 B2Fujikura Ltd.
- Slow cooling of reduced cladding diameter optical fibers24 Apr 2025US 2025/0128978 A1Corning Incorporated
- Microgravity crucible-controlled manufacturing13 Mar 2025US 2025/0083990 A1DSTAR Communications, Inc.
- Optical fiber draw production systems, pressure devices and methods applying pressure to optical fiber4 May 2023US 2023/0132984 A1Corning Incorporated
- Method for manufacturing optical fiber glass preform26 Jan 2023US 2023/0023064 A1Shin-Etsu Chemical Co., Ltd.
- System and method for manufacturing optical fiber7 Jul 2022US 2022/0212978 A1Made In Space, Inc.
Most cited
By later US patents
- High index-contrast fiber waveguides and applications61US 6,788,864 B2OmniGuide Communications · 2004
- High index-contrast fiber waveguides and applications45US 6,898,359 B2OmniGuide Communications · 2005
- Method for monitoring fiber tension by measuring fiber vibration frequency31US 5,079,433 ACorning Incorporated · 1992
- High index-contrast fiber waveguides and applications28US 6,801,698 B2OmniGuide Communications · 2004
- Optical fiber and method for making the same27US 6,766,088 B2Sumitomo Electric Industries, Ltd. · 2004