- All sections
- D - Textilespaper
- D04H - Making textile fabrics, e.g. from fibres or filamentary materialfabrics made by such processes or apparatus, e.g. felts, non-woven fabricscotton-woolwadding
- 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: 107
10-year publication summary
|
3
|
7
|
10
|
5
|
8
|
6
|
12
|
7
|
5
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Isover | 678 |
39 |
| Owens Corning Intellectual Capital, LLC | 1725 |
9 |
| Rockwool A/S | 834 |
8 |
| ROCKWOOL International A/S | 282 |
6 |
| Johns Manville | 921 |
4 |
| Paroc Group Oy | 40 |
4 |
| STM Technologies S.r.l. | 17 |
4 |
| Izoteh d.o.o. | 17 |
3 |
| Nippon Electric Glass Co., Ltd. | 2555 |
3 |
| Thermal Ceramics UK Limited | 18 |
3 |
| 3m Innovative Properties Company | 17478 |
2 |
| Gibraltar Business Capital, LLC | 7 |
2 |
| LMS Technologies, Inc. | 43 |
2 |
| Voith Patent GmbH | 2749 |
2 |
| Toyota Motor Corporation | 35772 |
1 |
| Whirlpool Corporation | 4643 |
1 |
| Allimand | 4 |
1 |
| Arkema France | 4242 |
1 |
| DelStar Technologies Inc. | 154 |
1 |
| Dieffenbacher GmbH Maschinen- und Anlagenbau | 238 |
1 |
| Other owners | 10 |