- All sections
- D - Textilespaper
- D21D - Treatment of the materials before passing to the paper-making machine
- D21D 1/32 - Hammer mills
Patent holdings for IPC class D21D 1/32
Total number of patents in this class: 7
10-year publication summary
|
1
|
1
|
1
|
0
|
0
|
2
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Södra Skogsägarna ekonomisk förening | 78 |
2 |
| Xinova, LLC | 92 |
2 |
| Aerocycle GmbH | 1 |
1 |
| Limited Liability Company "prof Business" | 9 |
1 |
| Szetech Engineering Sdn. Bhd. | 1 |
1 |
| Other owners | 0 |