- All sections
- D - Textiles; paper
- 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 section; Spinnerette packs therefor
Patent holdings for IPC class D01D 5/253
Total number of patents in this class: 314
10-year publication summary
|
20
|
19
|
35
|
36
|
31
|
25
|
30
|
23
|
25
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 96 |
23 |
| Toray Industries, Inc. | 6652 |
15 |
| Kaneka Corporation | 4445 |
11 |
| The Procter & Gamble Company | 22178 |
10 |
| Eastman Chemical Company | 2239 |
10 |
| Kolon Industries, Inc. | 1506 |
10 |
| Aladdin Manufacturing Corporation | 194 |
9 |
| Polytex Sportbeläge Produktions-GmbH | 84 |
9 |
| Ten Cate Thiolon B.V. | 86 |
9 |
| Mitsubishi Chemical Corporation | 4313 |
6 |
| Kelheim Fibres GmbH | 37 |
6 |
| INVISTA Technologies S.a.r.l. | 450 |
5 |
| Beaulieu International Group NV | 78 |
5 |
| Hyosung TNC Corporation | 73 |
5 |
| E. I. du Pont de Nemours and Company | 4345 |
4 |
| Nike, Inc. | 13075 |
4 |
| Korea Institute of Industrial Technology | 994 |
4 |
| Lenzing Aktiengesellschaft | 529 |
4 |
| The Boeing Company | 19843 |
3 |
| The United States of America as represented by the Secretary of the Army | 1195 |
3 |
| Other owners | 159 |