- All sections
- D - Textilespaper
- D21D - Treatment of the materials before passing to the paper-making machine
- D21D 1/26 - Jordan bed plates
Patent holdings for IPC class D21D 1/26
Total number of patents in this class: 28
10-year publication summary
|
3
|
2
|
3
|
1
|
3
|
4
|
7
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Andritz Inc. | 333 |
10 |
| Domtar Paper Company, LLC | 121 |
5 |
| Valmet Technologies Oy | 287 |
3 |
| Voith Patent GmbH | 2756 |
3 |
| Stora Enso Oyj | 1634 |
2 |
| Valmet AB | 503 |
2 |
| Billerudkorsnas AB | 88 |
1 |
| Valmet Technologies, Inc. | 147 |
1 |
| Domtar Paper Company, LLC | 1 |
1 |
| Other owners | 0 |