C03B 2207/32
Non-halide
C03B2207/32 (Non-halide) appears on 130 US grants and 98 published applications in this corpus.
Search patents in C03B- Granted patents
- 130
- Published applications
- 98
- Assignees
- 37
- Inventors
- 259
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 4 |
| 2002 | 10 | 14 |
| 2003 | 14 | 8 |
| 2004 | 13 | 3 |
| 2005 | 1 | 4 |
| 2006 | 1 | 5 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 4 |
| 2014 | 0 | 2 |
| 2015 | 4 | 4 |
| 2016 | 2 | 2 |
| 2017 | 6 | 4 |
| 2018 | 1 | 2 |
| 2019 | 2 | 5 |
| 2020 | 1 | 4 |
| 2021 | 2 | 5 |
| 2022 | 3 | 11 |
| 2023 | 4 | 4 |
| 2024 | 7 | 3 |
| 2025 | 5 | 1 |
| 2026 | 1 | 3 |
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.
- Apparatus and method for producing porous glass preform30 Dec 2025US 12,509,387 B2Shin-Etsu Chemical Co., Ltd.
- Methods of forming silica-titania glass articles with reduced striae dimensions11 Nov 2025US 12,466,755 B2Corning Incorporated
- Synthetic quartz glass manufacturing method through OVD process with improved deposition efficiency16 Sep 2025US 12,415,743 B2BCnC Co., Ltd.
- Porous glass base material manufacturing apparatus, method for manufacturing porous glass base material, and method for manufacturing glass base material for optical fiber29 Jul 2025US 12,371,364 B2Shin-Etsu Chemical Co., Ltd.
- Homogenous silica-titania glass21 May 2026US 2026/0140435 A1Corning Incorporated
- Homogenous silica-titania glass21 May 2026US 2026/0140436 A1Corning Incorporated
- Methods of forming silica-titania glass articles with reduced striae dimensions1 Jan 2026US 2026/0001801 A1Corning Incorporated
- Porous glass base material manufacturing apparatus, method for manufacturing porous glass base material, and method for manufacturing glass base material for optical fiber25 Dec 2025US 2025/0388505 A1Shin-Etsu Chemical Co., Ltd.
- Manufacturing method of porous glass base material for optical fiber and manufacturing apparatus5 Sep 2024US 2024/0294417 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Method of making fused silica by decomposing siloxanes106US 5,043,002 ACorning Incorporated · 1991
- Process for making sintered glasses and ceramics73US 4,501,602 ACorning Glass Works · 1985
- Method of making fused silica70US 5,152,819 ACorning Incorporated · 1992
- Optical member of synthetic quartz glass for excimer lasers and method for producing same63US 5,364,433 AShin-Etsu Quartz Products Co., Ltd. · 1994
- Optical members and blanks or synthetic silica glass and method for their production62US 5,086,352 AHeraeus Quarzglas GmbH & Co.KG · 1992