- 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 1/64 - 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 the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
Patent holdings for IPC class D04H 1/64
Total number of patents in this class: 646
10-year publication summary
|
47
|
42
|
53
|
64
|
55
|
43
|
42
|
58
|
47
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rockwool A/S | 834 |
61 |
| Owens Corning Intellectual Capital, LLC | 1725 |
54 |
| Saint-Gobain Isover | 678 |
53 |
| Johns Manville | 921 |
44 |
| ROCKWOOL International A/S | 282 |
31 |
| 3m Innovative Properties Company | 17478 |
22 |
| Knauf Insulation SPRL | 169 |
14 |
| Wacker Chemie AG | 2112 |
14 |
| Rohm and Haas Company | 2951 |
11 |
| Knauf Insulation, Inc. | 183 |
11 |
| OCV Intellectual Capital, LLC | 151 |
11 |
| Cargill, Incorporated | 2964 |
9 |
| Saint-Gobain Adfors | 127 |
9 |
| OrganoClick AB | 70 |
7 |
| Arkema France | 4242 |
6 |
| Carl Freudenberg KG | 1488 |
6 |
| Ursa Insulation, S.A. | 31 |
6 |
| Ahlstrom Oyj | 203 |
6 |
| Nonwovenn Ltd | 17 |
6 |
| Toray Industries, Inc. | 7113 |
5 |
| Other owners | 260 |