- 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 1/645 - Impregnation followed by a solidification process
Patent holdings for IPC class D04H 1/645
Total number of patents in this class: 87
10-year publication summary
|
4
|
1
|
6
|
4
|
2
|
6
|
8
|
14
|
5
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Isover | 683 |
21 |
| 3m Innovative Properties Company | 17455 |
8 |
| Rockwool A/S | 847 |
4 |
| Nonwovenn Ltd | 18 |
4 |
| Carl Freudenberg KG | 1503 |
3 |
| Saint-Gobain Adfors | 128 |
3 |
| BASF SE | 21334 |
2 |
| Rohm and Haas Company | 2948 |
2 |
| Johns Manville | 916 |
2 |
| Johns Manville Europe GmbH | 13 |
2 |
| Knauf Insulation SPRL | 169 |
2 |
| Ahlstrom Oyj | 205 |
2 |
| Natural Fiber Welding, Inc. | 85 |
2 |
| ROCKWOOL International A/S | 275 |
2 |
| The Procter & Gamble Company | 21890 |
1 |
| E. I. du Pont de Nemours and Company | 3430 |
1 |
| Seiko Epson Corporation | 20554 |
1 |
| Ibiden Co., Ltd. | 1691 |
1 |
| Toyota Industries Corporation | 1247 |
1 |
| Adidas AG | 1756 |
1 |
| Other owners | 22 |