C03C 4/02
Compositions for glass with special properties: for coloured glass
Official title: for coloured glass
C03C4/02 (Compositions for glass with special properties: for coloured glass) appears on 599 US grants and 619 published applications in this corpus.
Search patents in C03C- Granted patents
- 599
- Published applications
- 619
- Assignees
- 164
- Inventors
- 984
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 11 | 0 |
| 1992 | 2 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 17 | 0 |
| 2000 | 15 | 0 |
| 2001 | 14 | 5 |
| 2002 | 10 | 13 |
| 2003 | 17 | 17 |
| 2004 | 14 | 23 |
| 2005 | 11 | 15 |
| 2006 | 13 | 17 |
| 2007 | 4 | 20 |
| 2008 | 4 | 14 |
| 2009 | 19 | 14 |
| 2010 | 16 | 12 |
| 2011 | 12 | 8 |
| 2012 | 14 | 17 |
| 2013 | 9 | 20 |
| 2014 | 16 | 21 |
| 2015 | 20 | 29 |
| 2016 | 13 | 30 |
| 2017 | 26 | 34 |
| 2018 | 21 | 29 |
| 2019 | 22 | 35 |
| 2020 | 23 | 38 |
| 2021 | 25 | 32 |
| 2022 | 35 | 38 |
| 2023 | 34 | 51 |
| 2024 | 25 | 44 |
| 2025 | 30 | 26 |
| 2026 | 19 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solar dark green glass15 Sep 2026US 12,735,347 B2Fuyao Glass Industry Group Co., Ltd.
- Black quartz glass and method for producing same8 Sep 2026US 12,729,150 B2Tosoh Sgm Corporation
- Glass-ceramic compositions, articles, and methods of making the same28 Jul 2026US 12,692,188 B2GüRok Holding B.V.
- Glasses with improved tempering capabilities2 Jun 2026US 12,643,814 B2Corning Incorporated
- Colored vitreous enamel composition for electrosurgical tool26 May 2026US 12,636,068 B2Medtronic Advanced Energy LLC
- Articles and Transparencies with Moderate Reflectance and Improved Aesthetics1 Oct 2026US 2026/0296952 A1Vitro Flat Glass LLC
- Amber pharmaceutical glass container and production method therefore1 Oct 2026US 2026/0296953 A1
- Privacy Glass With Chromium6 Aug 2026US 2026/0225943 A1Vitro Flat Glass LLC
- Glass articles, natively colored glass housings, and methods of making the same16 Jul 2026US 2026/0200790 A1Corning Incorporated
- Vehicle roof laminated glass2 Jul 2026US 2026/0184146 A1Nippon Sheet Glass Co., Ltd.
Most cited
By later US patents
- Transparent infrared absorbing glass and method of making291US 4,792,536 APPG Industries, Inc. · 1988
- Ultraviolet absorbing, green tinted glass204US 5,240,886 APPG Industries, Inc. · 1993
- Dark gray, infrared absorbing glass composition and coated glass for privacy glazing175US 5,393,593 APPG Industries, Inc. · 1995
- Ultraviolet absorbing green tinted glass153US 5,385,872 APPG Industries, Inc. · 1995
- Ultraviolet/infrared absorbent low transmittance glass153US 6,784,129 B2Nippon Sheet Glass Co., Ltd. · 2004