- All sections
- D - Textilespaper
- D01D - Mechanical methods or apparatus in the manufacture of man-made filaments, threads, fibres, bristles or ribbons
- D01D 5/12 - Stretch-spinning methods
Patent holdings for IPC class D01D 5/12
Total number of patents in this class: 248
10-year publication summary
|
22
|
16
|
14
|
14
|
22
|
12
|
17
|
18
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kolon Industries, Inc. | 1635 |
8 |
| DuPont Safety & Construction, Inc. | 673 |
8 |
| Polytex Sportbeläge Produktions-GmbH | 108 |
6 |
| Toray Industries, Inc. | 6906 |
5 |
| Oerlikon Textile GmbH & Co. KG | 609 |
5 |
| Lin, Chih-hsin | 17 |
5 |
| Honeywell International Inc. | 13562 |
4 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 109 |
4 |
| Avient Protective Materials B.V. | 184 |
4 |
| Kimberly-clark Worldwide, Inc. | 5509 |
3 |
| DSM IP Assets B.V. | 5603 |
3 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
3 |
| China Petroleum & Chemical Corporation | 1874 |
3 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 171 |
3 |
| Zhejiang Hailide New Material Co., Ltd. | 15 |
3 |
| Dow Global Technologies LLC | 10384 |
2 |
| Board of Regents, The University of Texas System | 5754 |
2 |
| The Johns Hopkins University | 5642 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3788 |
2 |
| Korea Institute of Science and Technology | 2117 |
2 |
| Other owners | 171 |