- 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 1/552 - 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 welding together the fibres, e.g. by partially melting or dissolving by applying solvents or auxiliary agents
Patent holdings for IPC class D04H 1/552
Total number of patents in this class: 22
10-year publication summary
|
3
|
3
|
1
|
6
|
3
|
1
|
1
|
0
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ascend Performance Materials Operations LLC | 266 |
4 |
| Toshiba Corporation | 12569 |
2 |
| Glatfelter Gernsbach GmbH | 46 |
2 |
| MANN+HUMMEL GmbH | 1808 |
2 |
| MonoSol, LLC | 231 |
2 |
| Fibertex Personal Care A/S | 64 |
2 |
| Carl Freudenberg KG | 1494 |
1 |
| Glatfelter Gernsbach GmbH & Co. KG | 14 |
1 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1454 |
1 |
| Hanwha Azdel, Inc. | 111 |
1 |
| Politecnico di Milano | 898 |
1 |
| Nextmaterials S.r.l. | 3 |
1 |
| ACE Plastics Co., Ltd | 3 |
1 |
| Xiamen Dangsheng New Material Co., Ltd | 2 |
1 |
| Other owners | 0 |