- 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 1/492 - 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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
Patent holdings for IPC class D04H 1/492
Total number of patents in this class: 416
10-year publication summary
|
27
|
30
|
27
|
35
|
37
|
31
|
33
|
30
|
23
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Unicharm Corporation | 2929 |
20 |
| The Procter & Gamble Company | 21977 |
18 |
| Kimberly-clark Worldwide, Inc. | 5302 |
17 |
| Voith Patent GmbH | 2764 |
15 |
| Carl Freudenberg KG | 1414 |
13 |
| Lenzing Aktiengesellschaft | 514 |
13 |
| SCA Hygiene Products AB | 595 |
13 |
| Glatfelter Gernsbach GmbH | 45 |
12 |
| Trützschler GmbH & Co. KG | 141 |
11 |
| AVINTIV Specialty Materials Inc. | 75 |
10 |
| delfortgroup AG | 151 |
9 |
| Altria Client Services LLC | 2316 |
7 |
| Autefa Solutions Germany GmbH | 68 |
7 |
| Kuraray Kuraflex Co., Ltd. | 39 |
7 |
| Essity Hygiene and Health Aktiebolag | 2038 |
7 |
| Fitesa Film Products LLC | 48 |
7 |
| GPCP IP Holdings LLC | 1589 |
6 |
| Glatfelter Holding (Switzerland) AG | 33 |
6 |
| Toray Industries, Inc. | 7018 |
5 |
| Fleissner GmbH | 21 |
5 |
| Other owners | 208 |