- 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 23/057 - Re-forming tubes or rods by fusing, e.g. for flame sealing
Patent holdings for IPC class C03B 23/057
Total number of patents in this class: 11
10-year publication summary
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0
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0
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0
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0
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2
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1
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2
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2
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0
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1
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| 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. | 2512 |
3 |
| Corning Incorporated | 10420 |
2 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1579 |
1 |
| Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | 76 |
1 |
| MB-Microtec AG | 48 |
1 |
| Guardian Glass, LLC | 566 |
1 |
| L' Oréal | 5718 |
1 |
| C-itech SAS | 1 |
1 |
| Other owners | 0 |