- 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: 332
10-year publication summary
19
|
35
|
36
|
31
|
26
|
30
|
23
|
27
|
36
|
0
|
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. | 102 |
22 |
Toray Industries, Inc. | 6848 |
16 |
Kaneka Corporation | 4497 |
14 |
The Procter & Gamble Company | 22151 |
13 |
Aladdin Manufacturing Corporation | 210 |
11 |
Eastman Chemical Company | 2256 |
11 |
Ten Cate Thiolon B.V. | 83 |
10 |
Kolon Industries, Inc. | 1587 |
9 |
Polytex Sportbeläge Produktions-GmbH | 85 |
9 |
Kelheim Fibres GmbH | 38 |
6 |
Mitsubishi Chemical Corporation | 4446 |
5 |
Beaulieu International Group NV | 90 |
5 |
Hyosung TNC Corporation | 81 |
5 |
E. I. du Pont de Nemours and Company | 4251 |
4 |
INVISTA Technologies S.a.r.l. | 428 |
4 |
Korea Institute of Industrial Technology | 1007 |
4 |
Amphibio Limited | 15 |
4 |
The Boeing Company | 19909 |
3 |
Nike, Inc. | 13636 |
3 |
The United States of America as represented by the Secretary of the Army | 1180 |
3 |
Other owners | 171 |