- 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 5/027 - Melting in furnacesFurnaces so far as specially adapted for glass manufacture in electric furnaces by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
Patent holdings for IPC class C03B 5/027
Total number of patents in this class: 142
10-year publication summary
|
6
|
10
|
9
|
12
|
14
|
13
|
5
|
9
|
13
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Electric Glass Co., Ltd. | 2558 |
24 |
| Corning Incorporated | 10510 |
19 |
| SCHOTT AG | 1738 |
13 |
| Saint-Gobain Isover | 678 |
8 |
| AvanStrate Inc. | 104 |
7 |
| InEnTec Inc. | 36 |
6 |
| Veolia Nuclear Solutions Inc. | 63 |
6 |
| The Corning Museum of Glass | 12 |
5 |
| Spiral Arts Inc | 5 |
5 |
| Rockwool A/S | 838 |
5 |
| Agc, Inc. | 5537 |
3 |
| Caihong Display Devices Co.,Ltd. | 77 |
3 |
| Bengbu China Optoelectronic Technology Co., Ltd | 15 |
3 |
| H.C. Starck Solutions Coldwater, LLC | 11 |
3 |
| Hoya Corporation | 2717 |
2 |
| AGC Glass Europe | 1180 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
2 |
| Nitto Boseki Co., Ltd. | 304 |
2 |
| PLANSEE SE | 231 |
2 |
| (cnbm) Bengbu Design & Research Institute for Glass Industry Co., Ltd | 25 |
2 |
| Other owners | 20 |