- All sections
- D - Textilespaper
- D01H - Spinning or twisting
- D01H 4/16 - Friction spinning, i. e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum
Patent holdings for IPC class D01H 4/16
Total number of patents in this class: 5
10-year publication summary
|
1
|
1
|
0
|
1
|
0
|
0
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Spinnova Oy | 26 |
3 |
| Sanko Tekstil Isletmeleri San. ve Tic. A.S. | 161 |
1 |
| Sanko Tekstil Isletmeleri San. Vetic A.S. | 5 |
1 |
| Other owners | 0 |