- 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 37/04 - Manufacture of glass fibres or filaments by using centrifugal force
Patent holdings for IPC class C03B 37/04
Total number of patents in this class: 170
10-year publication summary
|
7
|
11
|
15
|
19
|
6
|
15
|
7
|
18
|
8
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Isover | 627 |
60 |
| Owens Corning Intellectual Capital, LLC | 1587 |
13 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3899 |
6 |
| ROCKWOOL International A/S | 307 |
6 |
| CLARCOR Inc. | 57 |
5 |
| Knauf Insulation, Inc. | 188 |
5 |
| Saint-Gobain Seva | 16 |
5 |
| Rockwool A/S | 778 |
5 |
| Johns Manville | 953 |
4 |
| Paroc Group Oy | 36 |
3 |
| Blasch Precision Ceramics, Inc. | 40 |
2 |
| Knauf Insulation SPRL | 172 |
2 |
| Nippon Electric Glass Co., Ltd. | 2437 |
2 |
| Nitto Boseki Co., Ltd. | 289 |
2 |
| OCV Intellectual Capital, LLC | 193 |
2 |
| Saint-Gobain Placo | 212 |
2 |
| STM Technologies S.r.l. | 15 |
2 |
| Unifrax I LLC | 242 |
2 |
| USG Interiors, LLC | 314 |
2 |
| Knauf Insulation SRL | 7 |
2 |
| Other owners | 38 |