- 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: 178
10-year publication summary
|
19
|
16
|
11
|
25
|
14
|
10
|
17
|
13
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10252 |
33 |
| SCHOTT AG | 1716 |
12 |
| Agc, Inc. | 4772 |
10 |
| Asahi Glass Company, Limited | 2806 |
8 |
| Guardian Glass, LLC | 574 |
7 |
| Glaston Finland Oy | 16 |
6 |
| Nippon Electric Glass Co., Ltd. | 2456 |
6 |
| Saint-Gobain Glass France | 3758 |
5 |
| AGC Glass Europe | 1124 |
4 |
| Luoyang Landglass Technology Co., Ltd | 91 |
4 |
| HASS Co., Ltd. | 62 |
3 |
| Nippon Sheet Glass Company, Limited | 995 |
3 |
| Samsung Display Co., Ltd. | 34349 |
2 |
| Lockheed Martin Corporation | 3277 |
2 |
| AGC Flat Glass North America, Inc. | 190 |
2 |
| Corning Precision Materials Co., Ltd. | 209 |
2 |
| Taifin Glass Machinery Oy | 4 |
2 |
| Technische Universitat Bergakademie Freiberg | 115 |
2 |
| Uniglass Engineering Oy | 2 |
2 |
| National Technology & Engineering Solutions of Sandia, LLC | 1891 |
2 |
| Other owners | 61 |