- 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 5/12 - Melting in furnacesFurnaces so far as specially adapted for glass manufacture in shaft furnaces
Patent holdings for IPC class C03B 5/12
Total number of patents in this class: 75
10-year publication summary
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4
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4
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3
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3
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4
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5
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5
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5
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1
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2
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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 A/S | 838 |
26 |
| ROCKWOOL International A/S | 282 |
16 |
| Knauf Insulation | 48 |
7 |
| Knauf Insulation SPRL | 169 |
7 |
| Owens-Brockway Glass Container Inc. | 797 |
3 |
| Beteiligungen Sorg GmbH & Co. KG | 49 |
2 |
| Knauf Insulation, Inc. | 183 |
2 |
| Saint-Gobain Isover | 678 |
2 |
| Knauf Insulation Gmbh | 22 |
2 |
| Knauf Insulation doo Skofja Loka | 2 |
2 |
| Deutsche Rockwool Mineralwoll GmbH & Co. OHG | 18 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
1 |
| Ato Andoh | 1 |
1 |
| Billion Sung Hoon Zorh | 1 |
1 |
| Nam Sook Chough | 1 |
1 |
| Obshchestvo S Ogranichennoy Otvetstvennostyu "air Liquide" | 1 |
1 |
| Other owners | 0 |