- All sections
- D - Textiles; paper
- D01H - Spinning or twisting
- D01H 4/32 - Arrangements for separating slivers into fibres; Orienting or straightening fibres using opening rollers
Patent holdings for IPC class D01H 4/32
Total number of patents in this class: 17
10-year publication summary
|
1
|
6
|
1
|
2
|
2
|
0
|
0
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangnan University | 1476 |
4 |
| Maschinenfabrik Rieter AG | 374 |
3 |
| Spinnova Oy | 27 |
3 |
| Oerlikon Textile GmbH & Co. KG | 623 |
2 |
| Saurer Spinning Solutions GmbH & Co. KG | 155 |
2 |
| Murata Machinery, Ltd. | 1458 |
1 |
| Rieter Ingolstadt GmbH | 41 |
1 |
| Amsler Tex AG | 9 |
1 |
| Other owners | 0 |