C03B 27/00
Tempering or quenching glass products
Official title: Tempering {or quenching} glass products
C03B27/00 (Tempering or quenching glass products) appears on 690 US grants and 519 published applications in this corpus.
Search patents in C03B- Granted patents
- 690
- Published applications
- 519
- Assignees
- 214
- Inventors
- 1,181
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 11 | 0 |
| 1978 | 22 | 0 |
| 1979 | 11 | 0 |
| 1980 | 25 | 0 |
| 1981 | 14 | 0 |
| 1982 | 11 | 0 |
| 1983 | 9 | 0 |
| 1984 | 7 | 0 |
| 1985 | 13 | 0 |
| 1986 | 10 | 0 |
| 1987 | 6 | 0 |
| 1988 | 12 | 0 |
| 1989 | 16 | 0 |
| 1990 | 17 | 0 |
| 1991 | 20 | 0 |
| 1992 | 15 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 20 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 2 |
| 2002 | 14 | 12 |
| 2003 | 15 | 15 |
| 2004 | 12 | 12 |
| 2005 | 6 | 15 |
| 2006 | 8 | 17 |
| 2007 | 8 | 8 |
| 2008 | 7 | 12 |
| 2009 | 3 | 8 |
| 2010 | 6 | 14 |
| 2011 | 7 | 22 |
| 2012 | 11 | 11 |
| 2013 | 10 | 20 |
| 2014 | 16 | 19 |
| 2015 | 12 | 30 |
| 2016 | 9 | 32 |
| 2017 | 27 | 30 |
| 2018 | 25 | 24 |
| 2019 | 23 | 34 |
| 2020 | 20 | 37 |
| 2021 | 26 | 29 |
| 2022 | 19 | 35 |
| 2023 | 22 | 34 |
| 2024 | 19 | 20 |
| 2025 | 23 | 16 |
| 2026 | 15 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C03B 27/04Tempering or quenching glass products: using gas509
- C03B 27/012Tempering or quenching glass products: by heat treatment127
- C03B 27/02Tempering or quenching glass products: using liquid41
- C03B 27/004Tempering or quenching glass products: by bringing the hot glass product in29
- C03B 27/016Tempering or quenching glass products: by absorbing heat radiated from the glass19
- C03B 27/008Tempering or quenching glass products: by using heat of sublimation of solid1
Recent patents
- Hoistway mechanics of panoramic vacuum elevator29 Sep 2026US 12,747,136 B2Blissera Corp.
- Thermally tempered glass-ceramics29 Sep 2026US 12,747,181 B2Corning Incorporated
- Tempering furnace and method for assembling tempering furnace22 Sep 2026US 12,741,896 B2Glaston Finland Oy
- Method for producing a safety tempered vehicle glazing unit and safety tempered vehicle glazing unit14 Jul 2026US 12,679,766 B2Saint-Gobain Sekurit France
- Optical device fabrication14 Jul 2026US 12,681,353 B2View Operating Corporation
- Optical device fabrication1 Oct 2026US 2026/0299366 A1View Operating Corporation
- Tempered glass bottle with sandwich structure10 Sep 2026US 2026/0264921 A1Vetropack Holding AG
- Tempered glass bottle with thin wall thickness10 Sep 2026US 2026/0265112 A1Vetropack Holding AG
- Glass, glass forming method, and glass forming device13 Aug 2026US 2026/0234045 A1Fuyao Glass Industry Group Co., Ltd.
- Edge de-coated glass and forming method therefor6 Aug 2026US 2026/0225947 A1Fuyao Glass Industry Group Co., Ltd.
Most cited
By later US patents
- Differential densification strengthening of glass-ceramics202US 3,931,438 ACorning Glass Works · 1976
- Process for determining the quality of temper of a glass sheet using a laser beam110US 5,254,149 AFord Motor Company · 1993
- Vacuum IG window unit with edge seal at least partially diffused at temper and completed via microwave curing, and corresponding method of making the same108US 6,701,749 B2Guardian Industries Corp. · 2004
- Ion exchanged, fast cooled glasses108US 8,232,218 B2Corning Incorporated · 2012
- Apparatus for tempering and bending glass104US 5,938,810 ADonnelly Corporation · 1999