C03B 2201/00
Type of glass produced
C03B2201/00 (Type of glass produced) appears on 1,680 US grants and 1,522 published applications in this corpus.
Search patents in C03B- Granted patents
- 1,680
- Published applications
- 1,522
- Assignees
- 491
- Inventors
- 2,860
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 12 | 0 |
| 1980 | 22 | 0 |
| 1981 | 15 | 0 |
| 1982 | 17 | 0 |
| 1983 | 16 | 0 |
| 1984 | 16 | 0 |
| 1985 | 14 | 0 |
| 1986 | 18 | 0 |
| 1987 | 26 | 0 |
| 1988 | 17 | 0 |
| 1989 | 28 | 0 |
| 1990 | 25 | 0 |
| 1991 | 18 | 0 |
| 1992 | 37 | 0 |
| 1993 | 32 | 0 |
| 1994 | 30 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 30 | 0 |
| 1998 | 42 | 0 |
| 1999 | 31 | 0 |
| 2000 | 32 | 0 |
| 2001 | 35 | 16 |
| 2002 | 65 | 97 |
| 2003 | 65 | 112 |
| 2004 | 79 | 90 |
| 2005 | 46 | 94 |
| 2006 | 53 | 61 |
| 2007 | 33 | 51 |
| 2008 | 32 | 56 |
| 2009 | 37 | 61 |
| 2010 | 40 | 65 |
| 2011 | 45 | 59 |
| 2012 | 44 | 66 |
| 2013 | 51 | 49 |
| 2014 | 48 | 43 |
| 2015 | 40 | 71 |
| 2016 | 61 | 61 |
| 2017 | 50 | 53 |
| 2018 | 41 | 52 |
| 2019 | 39 | 65 |
| 2020 | 34 | 54 |
| 2021 | 42 | 39 |
| 2022 | 37 | 55 |
| 2023 | 41 | 49 |
| 2024 | 36 | 44 |
| 2025 | 34 | 38 |
| 2026 | 18 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Opaque quartz glass and method for producing the same6 Oct 2026US 12,753,112 B2Tosoh Sgm Corporation
- Titania-silica glass with uniform hydroxyl concentration11 Aug 2026US 12,703,655 B2Corning Incorporated
- Polarization maintaining optical fiber and polarization maintaining optical fiber manufacturing method11 Aug 2026US 12,704,672 B2Sumitomo Electric Industries, Ltd.
- Large-sized hollow porous quartz glass preform and method of manufacturing the same28 Jul 2026US 12,692,184 B2Shin-Etsu Quartz Products Co., Ltd.
- Preparation devices for medium borosilicate medicinal glass tubes and methods thereof21 Jul 2026US 12,686,627 B2Caihong Display Devices Co., Ltd.
- Titania-silica glass with uniform hydroxyl concentration8 Oct 2026US 2026/0308039 A1Corning Incorporated
- Methods of recycling cullet and fibreglass17 Sep 2026US 2026/0274733 A1Sibelco Nederland N.V.
- Manufacturing method of optical fiber preform, and optical fiber preform10 Sep 2026US 2026/0265113 A1Sumitomo Electric Industries, Ltd.
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Aug 2026US 2026/0250178 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Hollow-core assembly with lossy glass25 Jun 2026US 2026/0177740 A1Corning Incorporated
Most cited
By later US patents
- Article comprising a micro-structured optical fiber, and method of making such fiber283US 5,802,236 ALucent Technologies Inc. · 1998
- Method of manufacturing fluorine-doped optical fibers270US 4,468,413 AU. S. Philips Corporation · 1984
- UV light-permeable glass and article comprising the same256US 5,474,589 ASumitomo Electric Industries, Ltd. · 1995
- Thermal sensing fiber devices242US 7,567,740 B2Massachusetts Institute of Technology · 2009
- Optical fiber and method for making such fiber230US 7,313,312 B2Corning Incorporated · 2007