- 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 1/4334 - Polyamides
Patent holdings for IPC class D04H 1/4334
Total number of patents in this class: 98
10-year publication summary
7
|
7
|
14
|
9
|
10
|
17
|
6
|
13
|
6
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ascend Performance Materials Operations LLC | 260 |
11 |
Toray Industries, Inc. | 6652 |
5 |
Carl Freudenberg KG | 1346 |
5 |
Zephyros, Inc. | 613 |
5 |
Autoneum Management AG | 101 |
4 |
Columbia Insurance Company | 1569 |
3 |
Kuraray Co., Ltd. | 3392 |
3 |
Ventex Co., Ltd. | 21 |
3 |
Beaulieu International Group NV | 78 |
3 |
Intrinsic Advanced Materials, LLC | 14 |
3 |
Dow Global Technologies LLC | 10147 |
2 |
Board of Regents, The University of Texas System | 5370 |
2 |
Cummins Filtration Inc. | 171 |
2 |
Eastman Chemical Company | 2239 |
2 |
EMPA Eidgenössische Materialprüfungs-und Forschungsanstalt | 176 |
2 |
Taiwan Textile Research Institute | 143 |
2 |
Essity Hygiene and Health Aktiebolag | 1990 |
2 |
The Procter & Gamble Company | 22178 |
1 |
3m Innovative Properties Company | 18406 |
1 |
Canon Inc. | 36841 |
1 |
Other owners | 36 |