- All sections
- C - Chemistrymetallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag woolsupplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 27/012 - Tempering glass products by heat treatment, e.g. for crystallisationHeat treatment of glass products before tempering by cooling
Patent holdings for IPC class C03B 27/012
Total number of patents in this class: 183
10-year publication summary
|
16
|
11
|
25
|
15
|
10
|
18
|
14
|
7
|
6
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10500 |
35 |
| SCHOTT AG | 1737 |
14 |
| Agc, Inc. | 5502 |
10 |
| Asahi Glass Company, Limited | 2625 |
7 |
| Guardian Glass, LLC | 564 |
7 |
| Glaston Finland Oy | 19 |
6 |
| Nippon Electric Glass Co., Ltd. | 2554 |
6 |
| Saint-Gobain Glass France | 3240 |
6 |
| Samsung Display Co., Ltd. | 38570 |
4 |
| AGC Glass Europe | 1178 |
4 |
| HASS Co., Ltd. | 65 |
4 |
| Luoyang Landglass Technology Co., Ltd | 90 |
4 |
| Cardinal IG Company | 163 |
3 |
| Nippon Sheet Glass Company, Limited | 952 |
3 |
| Lockheed Martin Corporation | 3260 |
2 |
| AGC Flat Glass North America, Inc. | 186 |
2 |
| Corning Precision Materials Co., Ltd. | 211 |
2 |
| Taifin Glass Machinery Oy | 4 |
2 |
| Technische Universitat Bergakademie Freiberg | 109 |
2 |
| Uniglass Engineering Oy | 2 |
2 |
| Other owners | 58 |