- 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 1/65 - Impregnation followed by a solidification process using mixed or composite fibres
Patent holdings for IPC class D04H 1/65
Total number of patents in this class: 15
10-year publication summary
|
1
|
3
|
2
|
2
|
2
|
0
|
2
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Knowlton Technologies, LLC | 7 |
4 |
| 3m Innovative Properties Company | 17478 |
2 |
| Carl Freudenberg KG | 1488 |
2 |
| Alcantara S.p.A. | 47 |
1 |
| Arkema Inc. | 1061 |
1 |
| Johns Manville | 921 |
1 |
| National Nonwovens, Inc. | 32 |
1 |
| Resopal GmbH | 15 |
1 |
| Essity Hygiene and Health Aktiebolag | 2061 |
1 |
| ChopValue Manufacturing Ltd. | 12 |
1 |
| Other owners | 0 |