- All sections
- D - Textilespaper
- D01D - Mechanical methods or apparatus in the manufacture of man-made filaments, threads, fibres, bristles or ribbons
- D01D 4/04 - Cleaning spinnerettes or other parts of the spinnerette packs
Patent holdings for IPC class D01D 4/04
Total number of patents in this class: 29
10-year publication summary
|
1
|
5
|
2
|
4
|
0
|
6
|
6
|
3
|
0
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12625 |
5 |
| Oerlikon Textile GmbH & Co. KG | 506 |
5 |
| Lenzing Aktiengesellschaft | 499 |
2 |
| TEKNOWEB MATERIALS S.r.l. | 15 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6165 |
2 |
| Zhejiang Hengyi Petrochemical Co., Ltd. | 73 |
2 |
| FUJIFILM Corporation | 30628 |
1 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 118 |
1 |
| Shinshu University | 492 |
1 |
| Soochow University | 1787 |
1 |
| Taipei Medical University | 230 |
1 |
| Toptec Company Limited | 34 |
1 |
| Treetotextile AB | 57 |
1 |
| Park, Jong-su | 2 |
1 |
| Nanhai Nanxin Non-Woven Co. Ltd. | 20 |
1 |
| CNTUS Co., Ltd. | 14 |
1 |
| Zhengzhou Zhongyuan Spandex Eng. Tech Co., Ltd | 1 |
1 |
| Other owners | 0 |