- All sections
- D - Textilespaper
- D01B - Mechanical treatment of natural fibrous or filamentary material to obtain fibres or filaments, e.g. for spinning
- D01B 3/04 - Machines or apparatus for washing or scouring loose wool fibres
Patent holdings for IPC class D01B 3/04
Total number of patents in this class: 8
10-year publication summary
|
0
|
1
|
0
|
0
|
0
|
0
|
3
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tessenderlo Group, NV | 167 |
2 |
| AgResearch Limited | 86 |
1 |
| The Sea Feather Limited Company of Lu'an | 5 |
1 |
| Anhui Fangxiang Down and Feather Products Co., Ltd. | 2 |
1 |
| Suzhou Duolilun Silk Co., Ltd | 6 |
1 |
| West Anhui University | 35 |
1 |
| Lu'an Fengyu Environmental Protection Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |