- All sections
- D - Textilespaper
- D21B - Fibrous raw materials or their mechanical treatment
- D21B 1/22 - Disintegrating in mills in magazine-type machines with screw feed
Patent holdings for IPC class D21B 1/22
Total number of patents in this class: 30
10-year publication summary
|
2
|
1
|
3
|
2
|
1
|
6
|
2
|
2
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valmet AB | 503 |
11 |
| Andritz AG | 232 |
4 |
| Resolute FP US Inc. | 3 |
2 |
| VTT Technical Research Centre of Finland Ltd. | 36 |
2 |
| Nova Pangaea Technologies (UK) Limited | 10 |
2 |
| IBUS Innovation ApS | 1 |
1 |
| IKEA Supply AG | 222 |
1 |
| Metso Paper, Inc. | 425 |
1 |
| Metso Paper Sweden Aktiebolag | 44 |
1 |
| Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG | 122 |
1 |
| UPM-Kymmene Corporation | 937 |
1 |
| Inbicon A/S | 43 |
1 |
| IBUS Innovation A/S | 4 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12837 |
1 |
| Other owners | 0 |