- All sections
- D - Textilespaper
- D21B - Fibrous raw materials or their mechanical treatment
- D21B 1/20 - Disintegrating in mills in magazine-type machines with chain feed
Patent holdings for IPC class D21B 1/20
Total number of patents in this class: 1
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Condalign AS | 26 |
1 |
| Other owners | 0 |