- All sections
- C - Chemistry; metallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag wool; supplementary 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 crystallisation; Heat treatment of glass products before tempering by cooling
Patent holdings for IPC class C03B 27/012
Total number of patents in this class: 171
10-year publication summary
|
15
|
19
|
16
|
11
|
25
|
13
|
10
|
17
|
13
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
30 |
| SCHOTT AG | 1675 |
12 |
| Agc, Inc. | 4029 |
10 |
| Asahi Glass Company, Limited | 2985 |
8 |
| Guardian Glass, LLC | 558 |
7 |
| Nippon Electric Glass Co., Ltd. | 2299 |
6 |
| Glaston Finland Oy | 14 |
5 |
| Saint-Gobain Glass France | 3641 |
5 |
| Luoyang Landglass Technology Co., Ltd | 93 |
4 |
| AGC Glass Europe | 1049 |
3 |
| HASS Co., Ltd. | 54 |
3 |
| Nippon Sheet Glass Company, Limited | 992 |
3 |
| Uniglass Engineering Oy | 3 |
3 |
| 2mh Glas GmbH | 10 |
3 |
| Samsung Display Co., Ltd. | 30585 |
2 |
| Lockheed Martin Corporation | 3406 |
2 |
| AGC Flat Glass North America, Inc. | 202 |
2 |
| Corning Precision Materials Co., Ltd. | 211 |
2 |
| Taifin Glass Machinery Oy | 4 |
2 |
| Technische Universitat Bergakademie Freiberg | 111 |
2 |
| Other owners | 57 |