- All sections
- D - Textilespaper
- 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: 3
10-year publication summary
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0
|
1
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0
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0
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0
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1
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0
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0
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Spindelfabrik Suessen GmbH | 35 |
1 |
| Saurer Intelligent Technology AG | 56 |
1 |
| Wujiang Jingyi Special Fiber Co., Ltd | 1 |
1 |
| Other owners | 0 |