- All sections
- D - Textilespaper
- D01D - Mechanical methods or apparatus in the manufacture of man-made filaments, threads, fibres, bristles or ribbons
- D01D 5/34 - Core-skin structureSpinnerette packs therefor
Patent holdings for IPC class D01D 5/34
Total number of patents in this class: 490
10-year publication summary
|
23
|
32
|
34
|
39
|
42
|
52
|
55
|
28
|
38
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Advanced Materials Korea Inc. | 278 |
22 |
| The Procter & Gamble Company | 21973 |
12 |
| 3m Innovative Properties Company | 17596 |
12 |
| Dow Global Technologies LLC | 10707 |
12 |
| Polytex Sportbeläge Produktions-GmbH | 119 |
11 |
| Toray Industries, Inc. | 7016 |
9 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 179 |
9 |
| Arsenal Medical, Inc. | 75 |
7 |
| Kaneka Corporation | 4642 |
6 |
| Kolon Industries, Inc. | 1744 |
6 |
| Kuraray Co., Ltd. | 3559 |
6 |
| Soochow University | 1759 |
6 |
| Fitesa Simpsonville, Inc. | 34 |
5 |
| Ningbo Dafa Chemical Fiber Co., Ltd. | 7 |
5 |
| Toray Chemical Korea Inc. | 34 |
5 |
| The Boeing Company | 20111 |
4 |
| Kimberly-clark Worldwide, Inc. | 5314 |
4 |
| The United States of America as represented by the Secretary of the Army | 1233 |
4 |
| Aladdin Manufacturing Corporation | 234 |
4 |
| ES FiberVisions ApS | 37 |
4 |
| Other owners | 337 |