- 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 5/28 - Siphons
Patent holdings for IPC class C03B 5/28
Total number of patents in this class: 9
10-year publication summary
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0
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1
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1
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ROCKWOOL International A/S | 294 |
2 |
| Heat IP Holdco, LLC | 49 |
2 |
| Corning Incorporated | 10413 |
1 |
| Hoya Corporation | 2752 |
1 |
| Asahi Glass Company, Limited | 2690 |
1 |
| Vivera Corporation | 1 |
1 |
| Heat IP Holdco, LLC | 27 |
1 |
| Other owners | 0 |