- 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 25/00 - Annealing glass products
Patent holdings for IPC class C03B 25/00
Total number of patents in this class: 153
10-year publication summary
|
14
|
10
|
7
|
5
|
13
|
12
|
7
|
15
|
8
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10246 |
21 |
| Agc, Inc. | 4809 |
7 |
| Heraeus Quarzglas GmbH & Co. KG | 409 |
5 |
| Owens-Brockway Glass Container Inc. | 760 |
5 |
| DENTSPLY SIRONA Inc. | 1864 |
4 |
| Asahi Glass Company, Limited | 2802 |
3 |
| AvanStrate Inc. | 108 |
3 |
| Iones Co., Ltd. | 20 |
3 |
| Saint-Gobain Glass France | 3766 |
3 |
| SCHOTT AG | 1716 |
3 |
| 1498264 Alberta Ltd. | 14 |
3 |
| Tunghsu Group Co., Ltd. | 58 |
3 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 77 |
3 |
| Cnbm Research Institute for Advanced Glass Materials Group Co., Ltd. | 57 |
3 |
| Brightholme Inc. | 11 |
3 |
| LG Chem, Ltd. | 17594 |
2 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1292 |
2 |
| Nippon Electric Glass Co., Ltd. | 2453 |
2 |
| Shin-Etsu Quartz Products Co., Ltd. | 147 |
2 |
| Tunghsu Technology Group Co., Ltd. | 47 |
2 |
| Other owners | 71 |