C03B 27/044
For flat or bent glass sheets being in a horizontal position
Official title: for flat or bent glass sheets being in a horizontal position
C03B27/044 (For flat or bent glass sheets being in a horizontal position) appears on 319 US grants and 178 published applications in this corpus.
Search patents in C03B- Granted patents
- 319
- Published applications
- 178
- Assignees
- 82
- Inventors
- 438
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 15 | 0 |
| 1981 | 10 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 13 | 0 |
| 1991 | 15 | 0 |
| 1992 | 12 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 0 |
| 2002 | 8 | 7 |
| 2003 | 6 | 8 |
| 2004 | 8 | 8 |
| 2005 | 3 | 8 |
| 2006 | 5 | 9 |
| 2007 | 7 | 1 |
| 2008 | 4 | 8 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 3 | 5 |
| 2012 | 3 | 7 |
| 2013 | 4 | 6 |
| 2014 | 6 | 6 |
| 2015 | 3 | 11 |
| 2016 | 4 | 18 |
| 2017 | 10 | 6 |
| 2018 | 5 | 3 |
| 2019 | 3 | 17 |
| 2020 | 4 | 8 |
| 2021 | 7 | 10 |
| 2022 | 1 | 6 |
| 2023 | 7 | 8 |
| 2024 | 7 | 7 |
| 2025 | 6 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tempering furnace and method for assembling tempering furnace22 Sep 2026US 12,741,896 B2Glaston Finland Oy
- 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
- Glass, glass forming method, and glass forming device13 Aug 2026US 2026/0234045 A1Fuyao Glass Industry Group Co., Ltd.
- Thermally strengthened consumer electronic glass and related systems and methods31 Jul 2025US 2025/0243104 A1Corning Incorporated
- 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
- Tempering furnace and method for assembling tempering furnace20 Feb 2025US 2025/0059079 A1Glaston Finland Oy
Most cited
By later US patents
- Apparatus for tempering and bending glass104US 5,938,810 ADonnelly Corporation · 1999
- Glass structure strengthening by etching74US 4,911,743 AHughes Aircraft Company · 1990
- Glass tempering system including oscillating roller furnace60US 3,994,711 A1976
- Method and apparatus for shaping glass sheets by roll forming58US 4,139,359 APPG Industries, Inc. · 1979
- Apparatus for bending and tempering glass57US 4,282,026 A1981