C03B 27/0442
For bent glass sheets
Official title: {for bent glass sheets}
C03B27/0442 (For bent glass sheets) appears on 204 US grants and 86 published applications in this corpus.
Search patents in C03B- Granted patents
- 204
- Published applications
- 86
- Assignees
- 54
- Inventors
- 296
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 11 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 7 | 5 |
| 2003 | 5 | 4 |
| 2004 | 4 | 4 |
| 2005 | 2 | 7 |
| 2006 | 2 | 6 |
| 2007 | 5 | 0 |
| 2008 | 2 | 7 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 3 |
| 2012 | 2 | 3 |
| 2013 | 4 | 3 |
| 2014 | 4 | 3 |
| 2015 | 1 | 6 |
| 2016 | 1 | 3 |
| 2017 | 5 | 4 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 3 | 2 |
| 2021 | 3 | 4 |
| 2022 | 1 | 5 |
| 2023 | 1 | 4 |
| 2024 | 4 | 4 |
| 2025 | 4 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for bending and tempering of curved glass using flexible shafts16 Jun 2026US 12,655,054 B2Luoyang Landglass Technology Co., Ltd
- Method and apparatus for shaping a glass sheet24 Feb 2026US 12,559,406 B2Pilkington Group Limited
- Apparatus and method for eliminating stress spots on a surface of glass16 Dec 2025US 12,497,321 B2Luoyang North Glass Technology Co., Ltd.
- Glass tempering furnace and glass tempering method21 Oct 2025US 12,448,315 B2Songshan Lake Materials Laboratory
- Tool for locally cooling a glass sheet8 Jul 2025US 12,351,500 B2Saint-Gobain Glass France
- Glass, glass forming method, and glass forming device13 Aug 2026US 2026/0234045 A1Fuyao Glass Industry Group Co., Ltd.
- Table made entirely from tempered glass10 Jul 2025US 2025/0221535 A1
- Glass tempering furnace and glass tempering method3 Apr 2025US 2025/0109055 A1Songshan Lake Materials Laboratory
- Enameled glazing21 Nov 2024US 2024/0383234 A1Agc Glass Europe
- Apparatus and Method for Eliminating Stress Spots on a Surface of Glass18 Jul 2024US 2024/0239700 A1Luoyang North Glass Technology Co., Ltd.
Most cited
By later US patents
- Apparatus for tempering and bending glass104US 5,938,810 ADonnelly Corporation · 1999
- Method and apparatus for shaping glass sheets by roll forming58US 4,139,359 APPG Industries, Inc. · 1979
- Glass sheet forming method and apparatus utilizing lower full surface vacuum mold and upper ring mold47US 5,004,491 AGlasstech, Inc. · 1991
- Apparatus for supporting shaped glass sheets for tempering45US 3,973,943 APPG Industries, Inc. · 1976
- Composite blasthead for quench station of glass sheet tempering system41US 4,470,838 AGlasstech, Inc. · 1984