C03B 2207/88
Controlling the pressure
C03B2207/88 (Controlling the pressure) appears on 11 US grants and 8 published applications in this corpus.
Search patents in C03B- Granted patents
- 11
- Published applications
- 8
- Assignees
- 6
- Inventors
- 27
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacturing method of porous glass base material for optical fiber and manufacturing apparatus21 Jul 2026US 12,686,629 B2Shin-Etsu Chemical Co., Ltd.
- Manufacturing method of porous glass base material for optical fiber and manufacturing apparatus4 Jun 2024US 11,999,646 B2Shin-Etsu Chemical Co., Ltd.
- Raw material supply device for production of glass fine particle deposits and raw material supply method27 Feb 2024US 11,912,607 B2Sumitomo Electric Industries, Ltd.
- Manufacturing apparatus and manufacturing method of porous glass base material23 Jan 2024US 11,878,929 B2Shin-Etsu Chemical Co., Ltd.
- Optical fiber preforms with halogen doping1 Mar 2022US 11,261,121 B2Corning Incorporated
- Manufacturing method of porous glass base material for optical fiber and manufacturing apparatus5 Sep 2024US 2024/0294417 A1Shin-Etsu Chemical Co., Ltd.
- Manufacturing apparatus and manufacturing method of porous glass base material28 Apr 2022US 2022/0127181 A1Shin-Etsu Chemical Co., Ltd.
- Raw material supply device for production of glass fine particle deposits and raw material supply method27 Jan 2022US 2022/0024801 A1Sumitomo Electric Industries, Ltd.
- Manufacturing method of porous glass base material for optical fiber and manufacturing apparatus23 Sep 2021US 2021/0292222 A1Shin-Etsu Chemical Co., Ltd.
- Optical fiber preforms with halogen doping25 Apr 2019US 2019/0119143 A1Corning Incorporated
Most cited
By later US patents
- Method and apparatus for supplying gaseous raw material349US 5,540,059 AShin-Etsu Quartz Products Co., Ltd. · 1996
- Method for vaporizing a liquid reactant in manufacturing a glass preform22US 7,730,747 B2Prysmian Cavi E Sistemi Energia S.R.L. · 2010
- Method for purifying polyalkylsiloxanes and the resulting products21US 5,879,649 ACorning Incorporated · 1999
- Flash vaporizer system for use in manufacturing optical waveguide fiber17US 5,078,092 ACorning Incorporated · 1992
- Gas reaction apparatus and multi-wall pipe type burner therefor15US 4,661,140 ASumitomo Electric Industries, Ltd. · 1987