- All sections
- D - Textiles; paper
- D01D - Mechanical methods or apparatus in the manufacture of man-made filaments, threads, fibres, bristles or ribbons
- D01D 5/34 - Core-skin structure; Spinnerette packs therefor
Patent holdings for IPC class D01D 5/34
Total number of patents in this class: 438
10-year publication summary
|
26
|
14
|
24
|
34
|
33
|
42
|
42
|
51
|
51
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Advanced Materials Korea Inc. | 222 |
17 |
| 3m Innovative Properties Company | 18406 |
11 |
| Dow Global Technologies LLC | 10147 |
11 |
| The Procter & Gamble Company | 22178 |
9 |
| Toray Industries, Inc. | 6652 |
9 |
| Polytex Sportbeläge Produktions-GmbH | 84 |
8 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 168 |
8 |
| Arsenal Medical, Inc. | 66 |
7 |
| ES FiberVisions ApS | 39 |
6 |
| ES FiberVisions Co., Ltd. | 41 |
6 |
| ES FiberVisions LP | 43 |
6 |
| Kuraray Co., Ltd. | 3392 |
6 |
| Kolon Industries, Inc. | 1506 |
5 |
| Ningbo Dafa Chemical Fiber Co., Ltd. | 9 |
5 |
| Soochow University | 1605 |
5 |
| Toray Chemical Korea Inc. | 34 |
5 |
| The Boeing Company | 19843 |
4 |
| Kimberly-clark Worldwide, Inc. | 5854 |
4 |
| Kaneka Corporation | 4445 |
4 |
| The United States of America as represented by the Secretary of the Army | 1195 |
4 |
| Other owners | 298 |