- All sections
- D - Textilespaper
- D01D - Mechanical methods or apparatus in the manufacture of man-made filaments, threads, fibres, bristles or ribbons
- D01D 1/02 - Preparation of spinning solutions
Patent holdings for IPC class D01D 1/02
Total number of patents in this class: 536
10-year publication summary
|
40
|
62
|
37
|
43
|
56
|
33
|
42
|
55
|
51
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 522 |
15 |
| List Technology AG | 46 |
12 |
| Kolon Industries, Inc. | 1687 |
10 |
| Treetotextile AB | 53 |
10 |
| Lin, Chih-hsin | 17 |
8 |
| Bolt Threads, Inc. | 162 |
7 |
| Hyosung Corporation | 291 |
7 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1392 |
7 |
| Teijin Aramid B.V. | 169 |
7 |
| Cytec Industries Inc. | 402 |
6 |
| Poly-Med, Inc. | 188 |
6 |
| Beijing Tongyizhong Specialty Fibre Technology & Development Co., Ltd | 8 |
5 |
| Braskem America, Inc. | 192 |
5 |
| List Holding AG | 41 |
5 |
| Stora Enso Oyj | 1636 |
5 |
| BASF SE | 20933 |
4 |
| LG Chem, Ltd. | 17632 |
4 |
| Aalto University Foundation | 293 |
4 |
| China Textile Academy | 12 |
4 |
| KT & G Corporation | 2644 |
4 |
| Other owners | 401 |