C03B 27/012
Tempering or quenching glass products: by heat treatment
Official title: by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling (C03B27/008, C03B27/016 take precedence)
C03B27/012 (Tempering or quenching glass products: by heat treatment) appears on 127 US grants and 143 published applications in this corpus.
Search patents in C03B- Granted patents
- 127
- Published applications
- 143
- Assignees
- 67
- Inventors
- 307
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 4 |
| 2012 | 1 | 1 |
| 2013 | 3 | 7 |
| 2014 | 2 | 5 |
| 2015 | 5 | 10 |
| 2016 | 3 | 14 |
| 2017 | 8 | 11 |
| 2018 | 11 | 7 |
| 2019 | 10 | 17 |
| 2020 | 8 | 10 |
| 2021 | 8 | 8 |
| 2022 | 8 | 15 |
| 2023 | 9 | 14 |
| 2024 | 4 | 7 |
| 2025 | 7 | 4 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hoistway mechanics of panoramic vacuum elevator29 Sep 2026US 12,747,136 B2Blissera Corp.
- Tempering furnace and method for assembling tempering furnace22 Sep 2026US 12,741,896 B2Glaston Finland Oy
- Glass ceramic having specific thermal expansion characteristics30 Jun 2026US 12,668,545 B2Schott AG
- Glass ceramic having specific thermal expansion characteristics23 Jun 2026US 12,662,428 B2Schott AG
- Method of producing glass-ceramic blank, and glass-ceramic blank26 May 2026US 12,637,383 B2GC Corporation
- Self-correcting vertical flatness in a glass tempering system2 Jul 2026US 2026/0186476 A1Cardinal IG Company
- Glass chemical strengthening furnace device and electronic device including or formed with the same5 Mar 2026US 2026/0062334 A1Samsung Display Co., Ltd.
- Glass panel and method for forming glass panel having curved corner portion26 Feb 2026US 2026/0055018 A1Hana Technology Co., Ltd.
- Strengthened glass-based article1 Jan 2026US 2026/0001802 A1Corning Incorporated
- Apparatus for manufacturing glass article, method for manufacturing glass article, glass article, and display device including the same2 Oct 2025US 2025/0304483 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Differential densification strengthening of glass-ceramics202US 3,931,438 ACorning Glass Works · 1976
- Thin safety glass having improved mechanical characteristics52US 10,077,204 B2Corning Incorporated · 2018
- High strength glass having improved mechanical characteristics52US 9,975,801 B2Corning Incorporated · 2018
- Methods of forming laminated glass structures51US 9,963,374 B2Corning Incorporated · 2018
- Hardened circular spectacle-lens element and method of making the same46US 4,178,082 ACarl-Zeiss-Stiftung · 1979