- All sections
- D - Textilespaper
- D21J - Fibreboardmanufacture of articles from cellulosic fibrous suspensions or from papier-mâché
- D21J 3/12 - Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of sheetsManufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of diaphragms
Patent holdings for IPC class D21J 3/12
Total number of patents in this class: 32
10-year publication summary
|
3
|
3
|
2
|
0
|
5
|
5
|
6
|
0
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Golden Arrow Printing Technology Co., Ltd. | 28 |
3 |
| Daio Paper Corporation | 1387 |
2 |
| Fiberlean Technologies Limited | 114 |
2 |
| Plastic Free Packaging Pty Ltd | 3 |
2 |
| Consider Provisions, LLC | 14 |
2 |
| BASF SE | 20728 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8479 |
1 |
| AstenJohnson, Inc. | 130 |
1 |
| Celwise AB | 26 |
1 |
| Eastman Chemical Company | 2244 |
1 |
| Federal-Mogul Powertrain, Inc. | 87 |
1 |
| Huhtamaki Molded Fiber Technology B.V. | 57 |
1 |
| Innovatech Engineering, LLC | 6 |
1 |
| Oji Holdings Corporation | 716 |
1 |
| Stora Enso Oyj | 1599 |
1 |
| World Centric | 58 |
1 |
| GPCP IP Holdings LLC | 1642 |
1 |
| Tianbo Zheng | 2 |
1 |
| OneWorld Packaging, S.L. | 3 |
1 |
| Unwasted Limited | 6 |
1 |
| Other owners | 6 |