- All sections
- D - Textiles; paper
- D04H - Making textile fabrics, e.g. from fibres or filamentary material; fabrics made by such processes or apparatus, e.g. felts, non-woven fabrics; cotton-wool; wadding
- D04H 1/4226 - Glass fibres characterised by the apparatus for manufacturing the glass fleece
Patent holdings for IPC class D04H 1/4226
Total number of patents in this class: 94
10-year publication summary
|
4
|
3
|
7
|
10
|
5
|
8
|
6
|
9
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Isover | 627 |
34 |
| Rockwool A/S | 782 |
8 |
| Owens Corning Intellectual Capital, LLC | 1554 |
6 |
| ROCKWOOL International A/S | 312 |
6 |
| Johns Manville | 967 |
4 |
| Izoteh d.o.o. | 18 |
3 |
| Nippon Electric Glass Co., Ltd. | 2388 |
3 |
| Paroc Group Oy | 34 |
3 |
| STM Technologies S.r.l. | 15 |
3 |
| Thermal Ceramics UK Limited | 17 |
3 |
| 3m Innovative Properties Company | 17968 |
2 |
| Gibraltar Business Capital, LLC | 10 |
2 |
| Voith Patent GmbH | 2734 |
2 |
| Toyota Motor Corporation | 30292 |
1 |
| Whirlpool Corporation | 4323 |
1 |
| Arkema France | 3888 |
1 |
| Dieffenbacher GmbH Maschinen- und Anlagenbau | 226 |
1 |
| Groz-Beckert KG | 378 |
1 |
| LMS Technologies, Inc. | 27 |
1 |
| Mag-Isover K.K. | 18 |
1 |
| Other owners | 8 |