- All sections
- D - Textiles; paper
- D01H - Spinning or twisting
- D01H 4/22 - Cleaning of running surfaces
Patent holdings for IPC class D01H 4/22
Total number of patents in this class: 2
10-year publication summary
|
0
|
0
|
1
|
0
|
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
|
|---|---|---|
| Rieter Ingolstadt GmbH | 41 |
1 |
| Saurer Intelligent Technology AG | 59 |
1 |
| Other owners | 0 |