- 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 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
Patent holdings for IPC class D04H 1/587
Total number of patents in this class: 620
10-year publication summary
|
29
|
38
|
53
|
73
|
74
|
47
|
51
|
64
|
43
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Isover | 678 |
60 |
| Owens Corning Intellectual Capital, LLC | 1722 |
57 |
| Johns Manville | 920 |
50 |
| Rockwool A/S | 833 |
47 |
| 3m Innovative Properties Company | 17488 |
15 |
| Wacker Chemie AG | 2110 |
14 |
| ROCKWOOL International A/S | 281 |
14 |
| Glatfelter Corporation | 60 |
14 |
| Rohm and Haas Company | 2946 |
12 |
| Carl Freudenberg KG | 1486 |
12 |
| Knauf Insulation SPRL | 169 |
11 |
| Saint-Gobain Adfors | 127 |
11 |
| OCV Intellectual Capital, LLC | 151 |
9 |
| Ursa Insulation, S.A. | 31 |
9 |
| Ahlstrom Oyj | 202 |
8 |
| BASF SE | 21303 |
7 |
| Nonwovenn Ltd | 17 |
7 |
| Glatfelter Gernsbach GmbH | 46 |
6 |
| Seiko Epson Corporation | 20248 |
5 |
| Nissin Chemical Industry Co., Ltd. | 113 |
5 |
| Other owners | 247 |