- All sections
- D - Textilespaper
- D01G - Preliminary treatment of fibres, e.g. for spinning
- D01G 9/12 - Combinations of opening or cleaning machines
Patent holdings for IPC class D01G 9/12
Total number of patents in this class: 9
10-year publication summary
|
1
|
1
|
2
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Marzoli S.p.A. | 20 |
3 |
| Hubei Jinhanjiang Refined Cotton Co., Ltd. | 12 |
2 |
| 3m Innovative Properties Company | 17478 |
1 |
| Temafa Maschinenfabrik GmbH | 6 |
1 |
| Novetex Textiles Limited | 1 |
1 |
| "hemptechno", Limited Liability Company | 1 |
1 |
| Other owners | 0 |