- 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 1/587 - 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: 503
10-year publication summary
|
29
|
49
|
28
|
38
|
53
|
73
|
74
|
46
|
45
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Isover | 603 |
50 |
| Johns Manville | 980 |
41 |
| Rockwool A/S | 753 |
40 |
| Owens Corning Intellectual Capital, LLC | 1456 |
37 |
| 3m Innovative Properties Company | 18406 |
15 |
| ROCKWOOL International A/S | 323 |
14 |
| Wacker Chemie AG | 2091 |
13 |
| Knauf Insulation SPRL | 167 |
12 |
| Glatfelter Corporation | 69 |
12 |
| Rohm and Haas Company | 2805 |
11 |
| OCV Intellectual Capital, LLC | 265 |
11 |
| Ursa Insulation, S.A. | 28 |
9 |
| Carl Freudenberg KG | 1346 |
7 |
| Saint-Gobain Adfors | 111 |
7 |
| Asahi Fiber Glass Company, Limited | 52 |
6 |
| Glatfelter Gernsbach GmbH | 42 |
6 |
| Knauf Insulation, Inc. | 185 |
6 |
| Seiko Epson Corporation | 18724 |
5 |
| National Nonwovens, Inc. | 32 |
5 |
| Nonwovenn Ltd | 11 |
5 |
| Other owners | 191 |