- 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 1/4334 - Polyamides
Patent holdings for IPC class D04H 1/4334
Total number of patents in this class: 133
10-year publication summary
|
14
|
9
|
10
|
17
|
6
|
14
|
9
|
22
|
10
|
8
|
| 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 |
11 |
| Toray Industries, Inc. | 7113 |
6 |
| Carl Freudenberg KG | 1488 |
6 |
| Zephyros, Inc. | 684 |
6 |
| Columbia Insurance Company | 1455 |
4 |
| Autoneum Management AG | 129 |
4 |
| Beaulieu International Group NV | 92 |
4 |
| Board of Regents, The University of Texas System | 6107 |
3 |
| EMPA Eidgenössische Materialprüfungs-und Forschungsanstalt | 202 |
3 |
| Taiwan Textile Research Institute | 151 |
3 |
| Ventex Co., Ltd. | 22 |
3 |
| Intrinsic Advanced Materials, LLC | 20 |
3 |
| 3m Innovative Properties Company | 17478 |
2 |
| Dow Global Technologies LLC | 10944 |
2 |
| Eastman Chemical Company | 2087 |
2 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1609 |
2 |
| Kuraray Co., Ltd. | 3589 |
2 |
| Milliken & Company | 1147 |
2 |
| Voith Patent GmbH | 2749 |
2 |
| Hexcel Reinforcements SASU | 9 |
2 |
| Other owners | 61 |