- All sections
- D - Textilespaper
- D01D - Mechanical methods or apparatus in the manufacture of man-made filaments, threads, fibres, bristles or ribbons
- D01D 5/253 - Formation of filaments, threads, or the like with a non-circular cross sectionSpinnerette packs therefor
Patent holdings for IPC class D01D 5/253
Total number of patents in this class: 345
10-year publication summary
|
18
|
29
|
35
|
30
|
25
|
30
|
20
|
27
|
36
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 115 |
22 |
| Toray Industries, Inc. | 7000 |
16 |
| Polytex Sportbeläge Produktions-GmbH | 110 |
16 |
| Kaneka Corporation | 4614 |
14 |
| Aladdin Manufacturing Corporation | 225 |
12 |
| The Procter & Gamble Company | 22006 |
11 |
| Eastman Chemical Company | 2207 |
11 |
| Kolon Industries, Inc. | 1702 |
10 |
| Ten Cate Thiolon B.V. | 77 |
9 |
| Kelheim Fibres GmbH | 38 |
7 |
| Mitsubishi Chemical Corporation | 4579 |
5 |
| Beaulieu International Group NV | 94 |
5 |
| Hyosung TNC Corporation | 79 |
5 |
| E. I. du Pont de Nemours and Company | 3988 |
4 |
| Korea Institute of Industrial Technology | 1015 |
4 |
| Shanghai different Advanced Material Company Limited | 5 |
4 |
| The Boeing Company | 20131 |
3 |
| Nike, Inc. | 14304 |
3 |
| The United States of America as represented by the Secretary of the Army | 1217 |
3 |
| Case Western Reserve University | 1841 |
3 |
| Other owners | 178 |