- All sections
- D - Textilespaper
- D01D - Mechanical methods or apparatus in the manufacture of man-made filaments, threads, fibres, bristles or ribbons
- D01D 5/06 - Wet spinning methods
Patent holdings for IPC class D01D 5/06
Total number of patents in this class: 973
10-year publication summary
|
56
|
59
|
67
|
67
|
78
|
69
|
99
|
79
|
65
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 503 |
32 |
| Kolon Industries, Inc. | 1835 |
27 |
| Cytec Industries Inc. | 407 |
23 |
| Kaneka Corporation | 4693 |
17 |
| Treetotextile AB | 57 |
17 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1652 |
16 |
| Nutrition & Biosciences USA 4, Inc. | 239 |
15 |
| KT & G Corporation | 3121 |
14 |
| E. I. du Pont de Nemours and Company | 3542 |
12 |
| Toray Industries, Inc. | 7096 |
11 |
| Stora Enso Oyj | 1648 |
10 |
| President and Fellows of Harvard College | 6091 |
9 |
| Aurotec GmbH | 47 |
9 |
| Teijin Aramid B.V. | 168 |
9 |
| Lin, Chih-hsin | 17 |
9 |
| Avient Protective Materials B.V. | 202 |
9 |
| Centre National de La Recherche Scientifique | 11016 |
8 |
| Zhejiang University | 3441 |
8 |
| Bolt Threads, Inc. | 150 |
7 |
| Spiber Inc. | 234 |
7 |
| Other owners | 704 |