- 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 1/554 - 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 radio-frequency heating
Patent holdings for IPC class D04H 1/554
Total number of patents in this class: 6
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Isover | 666 |
3 |
| Carl Freudenberg KG | 1429 |
1 |
| Voith Patent GmbH | 2777 |
1 |
| Nicoventures Trading Limited | 4492 |
1 |
| Other owners | 0 |