C03B 27/004
Tempering or quenching glass products: by bringing the hot glass product in
Official title: by bringing the hot glass product in contact with a solid cooling surface, e.g. sand grains
C03B27/004 (Tempering or quenching glass products: by bringing the hot glass product in) appears on 29 US grants and 12 published applications in this corpus.
Search patents in C03B- Granted patents
- 29
- Published applications
- 12
- Assignees
- 17
- Inventors
- 66
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
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| 1978 | 2 | 0 |
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| 2002 | 1 | 1 |
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| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
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| 2017 | 1 | 1 |
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| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tool for locally cooling a glass sheet8 Jul 2025US 12,351,500 B2Saint-Gobain Glass France
- Manufacture of laminated glazing18 Jul 2023US 11,702,883 B2Saint-Gobain Glass France
- Process for preparing glass laminate11 Apr 2023US 11,623,888 B2
- Enamel composition, manufacturing method therefor, and cooking utensils8 Nov 2022US 11,492,287 B2LG Electronics Inc.
- Manufacture of laminated glazing28 Jul 2020US 10,724,292 B2Saint-Gobain Glass France
- Rare-earth doped functional nanocrystal glass ceramic and method of preparing the same7 May 2026US 2026/0125310 A1Shanghai Siic Zhentai Chemical Co., Ltd.
- Process for Preparing Glass Laminate2 Mar 2023US 2023/0066471 A1
- Tool for locally cooling a glass sheet5 Jan 2023US 2023/0002267 A1Saint-Gobain Glass France
- Enamel composition, manufacturing method therefor, and cooking utensils12 Aug 2021US 2021/0246067 A1LG Electronics Inc.
- Manufacture of laminated glazing21 Jan 2021US 2021/0017807 A1Saint-Gobain Glass France
Most cited
By later US patents
- Apparatus for tempering and bending glass104US 5,938,810 ADonnelly Corporation · 1999
- Method for heat treatment of glass plate to strengthen its peripheral region28US 5,009,694 ACentral Glass Company, Limited · 1991
- Laminated glass and glass plate used for producing laminated glass22US 6,656,597 B2Asahi Glass Company, Limited · 2003
- Method and apparatus for making contact-tempered glass sheets with reinforced edge stresses21US 4,826,522 ASaint-Gobain Vitrage "Les Miroirs" · 1989
- Method and apparatus for bending glass21US 5,857,358 ADonnelly Corporation · 1999