- All sections
- D - Textilespaper
- D21J - Fibreboardmanufacture of articles from cellulosic fibrous suspensions or from papier-mâché
- D21J 1/00 - Fibreboard
Patent holdings for IPC class D21J 1/00
Total number of patents in this class: 95
10-year publication summary
|
1
|
2
|
9
|
4
|
4
|
7
|
9
|
3
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solenis Technologies, L.P. | 336 |
5 |
| Uniboard Canada Inc. | 72 |
4 |
| BLH Technologies Inc. | 30 |
3 |
| Daio Paper Corporation | 1389 |
3 |
| EXP Services Inc. | 15 |
3 |
| General Mills, Inc. | 996 |
2 |
| Kemira Oyj | 1219 |
2 |
| Nichiha Corporation | 177 |
2 |
| State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University | 88 |
2 |
| Stora Enso Oyj | 1660 |
2 |
| Swiss Krono Tec AG | 492 |
2 |
| University of Maine System Board of Trustees | 290 |
2 |
| USG Interiors, Inc. | 47 |
2 |
| Footprint International, LLC | 80 |
2 |
| Covestro (Netherlands) B.V. | 279 |
2 |
| Centre National de La Recherche Scientifique | 10595 |
1 |
| Evonik Degussa GmbH | 1482 |
1 |
| Kao Corporation | 4981 |
1 |
| Rohm and Haas Company | 2913 |
1 |
| Ibiden Co., Ltd. | 1720 |
1 |
| Other owners | 52 |