- 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 5/033 - Melting in furnacesFurnaces so far as specially adapted for glass manufacture in electric furnaces by using resistance heaters above or in the glass bath, i.e. by indirect resistance heating
Patent holdings for IPC class C03B 5/033
Total number of patents in this class: 39
10-year publication summary
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1
|
3
|
2
|
1
|
5
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0
|
5
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0
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Glassflake Limited | 19 |
6 |
| The Corning Museum of Glass | 12 |
5 |
| Heraeus Quarzglas GmbH & Co. KG | 409 |
5 |
| Spiral Arts Inc | 5 |
5 |
| Agc, Inc. | 4820 |
4 |
| Corning Incorporated | 10258 |
3 |
| Massachusetts Institute of Technology | 10041 |
2 |
| Owens-Brockway Glass Container Inc. | 763 |
2 |
| Caihong Display Devices Co.,Ltd. | 49 |
2 |
| China Building Materials Academy | 24 |
1 |
| Nippon Electric Glass Co., Ltd. | 2454 |
1 |
| Saint-Gobain Technical Fabrics Europe | 17 |
1 |
| Shin-Etsu Quartz Products Co., Ltd. | 147 |
1 |
| Lianyungang Fudong Lighting LLC | 1 |
1 |
| Other owners | 0 |