- All sections
- D - Textilespaper
- D21B - Fibrous raw materials or their mechanical treatment
- D21B 1/00 - Fibrous raw materials or their mechanical treatment
Patent holdings for IPC class D21B 1/00
Total number of patents in this class: 44
10-year publication summary
|
4
|
1
|
2
|
7
|
4
|
7
|
3
|
2
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2755 |
4 |
| Seiko Epson Corporation | 19321 |
2 |
| Andritz Inc. | 333 |
2 |
| Nusenbaum, Vyvyan Justin | 3 |
2 |
| The University of Queensland | 659 |
2 |
| Jena Trading ApS | 13 |
2 |
| Suzano S.A. | 200 |
2 |
| NUSENBAUM, Geraldine Linda | 3 |
2 |
| Pierson Capital Environmental (Beijing) Limited | 10 |
2 |
| BASF SE | 20912 |
1 |
| Alliance for Sustainable Energy, LLC | 797 |
1 |
| Aqseptence Group, Inc. | 88 |
1 |
| Institute of Process Engineering, Chinese Academy of Sciences | 293 |
1 |
| Investissement Québec | 83 |
1 |
| Lenzing Aktiengesellschaft | 522 |
1 |
| North Carolina State University | 1560 |
1 |
| Solenis Technologies, L.P. | 334 |
1 |
| Sterecycle Ltd. | 1 |
1 |
| Swiss Krono Tec AG | 487 |
1 |
| Universiti Sains Malaysia | 124 |
1 |
| Other owners | 13 |