- 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: 27
10-year publication summary
|
0
|
1
|
5
|
2
|
4
|
0
|
6
|
6
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12060 |
5 |
| Oerlikon Textile GmbH & Co. KG | 621 |
5 |
| Lenzing Aktiengesellschaft | 523 |
2 |
| TEKNOWEB MATERIALS S.r.l. | 20 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6243 |
2 |
| Zhejiang Hengyi Petrochemical Co., Ltd. | 10 |
2 |
| FUJIFILM Corporation | 28829 |
1 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 102 |
1 |
| Shinshu University | 461 |
1 |
| Soochow University | 1719 |
1 |
| Taipei Medical University | 178 |
1 |
| Toptec Company Limited | 33 |
1 |
| Park, Jong-su | 2 |
1 |
| CNTUS Co., Ltd. | 14 |
1 |
| Zhengzhou Zhongyuan Spandex Eng. Tech Co., Ltd | 1 |
1 |
| Other owners | 0 |