- 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 7/02 - Forehearths, i.e. feeder channels
Patent holdings for IPC class C03B 7/02
Total number of patents in this class: 52
10-year publication summary
|
2
|
9
|
5
|
4
|
3
|
2
|
2
|
1
|
5
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10252 |
20 |
| Johns Manville | 953 |
5 |
| Nippon Electric Glass Co., Ltd. | 2454 |
4 |
| Caihong Display Devices Co.,Ltd. | 49 |
3 |
| Asahi Glass Company, Limited | 2799 |
2 |
| Heraeus Materials Technology GmbH & Co. KG | 28 |
2 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
2 |
| International Business Machines Corporation | 61207 |
1 |
| 3B-Fibreglass SPRL | 22 |
1 |
| China Triumph International Engineering Co., Ltd. | 78 |
1 |
| Ferro Corporation | 243 |
1 |
| Jushi Group Co., Ltd. | 121 |
1 |
| OCV Intellectual Capital, LLC | 187 |
1 |
| Paroc Oy AB | 22 |
1 |
| Saint-Gobain Centre de Recherches et d'Etudes Eur. | 1 |
1 |
| Saint-Gobain Emballage | 32 |
1 |
| (cnbm) Bengbu Design & Research Institute for Glass Industry Co., Ltd | 29 |
1 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 77 |
1 |
| Saint-Gobain Finland Oy | 4 |
1 |
| Bengbu China Optoelectronic Technology Co., Ltd | 11 |
1 |
| Other owners | 1 |