- All sections
- D - Textilespaper
- D21J - Fibreboardmanufacture of articles from cellulosic fibrous suspensions or from papier-mâché
- D21J 1/08 - Impregnated or coated fibreboard
Patent holdings for IPC class D21J 1/08
Total number of patents in this class: 119
10-year publication summary
|
4
|
7
|
18
|
6
|
13
|
5
|
16
|
17
|
19
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Smart Planet Technologies, Inc. | 33 |
12 |
| WestRock MWV, LLC | 337 |
9 |
| Stora Enso Oyj | 1608 |
6 |
| Société des Produits Nestlé S.A. | 9208 |
4 |
| USG Interiors, LLC | 309 |
4 |
| PAPACKS SALES GmbH | 42 |
4 |
| Alpla Werke Alwin Lehner GmbH & Co. KG | 367 |
3 |
| Ecochem International, naamloze vennootschap | 25 |
3 |
| Lgab LLC | 15 |
3 |
| UNILIN, besloten vennootschap | 847 |
3 |
| BASF SE | 20777 |
2 |
| Purdue Research Foundation | 3564 |
2 |
| Blue Ridge Fiberboard, Inc. | 20 |
2 |
| Borregaard AS | 125 |
2 |
| Cascades Sonoco Inc. | 29 |
2 |
| Chemstone, Inc. | 24 |
2 |
| Domtar Paper Company, LLC | 122 |
2 |
| Fiberlean Technologies Limited | 114 |
2 |
| Flooring Industries Limited, SARL | 192 |
2 |
| General Mills, Inc. | 1018 |
2 |
| Other owners | 48 |