- 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: 386
10-year publication summary
|
35
|
36
|
31
|
27
|
30
|
23
|
27
|
39
|
29
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Polytex Sportbeläge Produktions-GmbH | 140 |
25 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 117 |
22 |
| Kaneka Corporation | 4725 |
17 |
| Toray Industries, Inc. | 7122 |
16 |
| Aladdin Manufacturing Corporation | 244 |
16 |
| The Procter & Gamble Company | 21853 |
15 |
| Kolon Industries, Inc. | 1844 |
13 |
| Eastman Chemical Company | 2096 |
12 |
| Ten Cate Thiolon B.V. | 73 |
9 |
| Kelheim Fibres GmbH | 37 |
7 |
| Mitsubishi Chemical Corporation | 4724 |
5 |
| Beaulieu International Group NV | 92 |
5 |
| Hyosung TNC Corporation | 80 |
5 |
| Amphibio Limited | 19 |
5 |
| Shanghai different Advanced Material Company Limited | 8 |
5 |
| E. I. du Pont de Nemours and Company | 3511 |
4 |
| Korea Institute of Industrial Technology | 1032 |
4 |
| Acetate International LLC | 64 |
4 |
| Synthetic Turf Resources | 10 |
4 |
| The Boeing Company | 20176 |
3 |
| Other owners | 190 |