- 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 | 1385 |
2 |
Fiberlean Technologies Limited | 114 |
2 |
Plastic Free Packaging Pty Ltd | 3 |
2 |
Consider Provisions, LLC | 14 |
2 |
BASF SE | 20694 |
1 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8480 |
1 |
AstenJohnson, Inc. | 130 |
1 |
Celwise AB | 26 |
1 |
Eastman Chemical Company | 2249 |
1 |
Federal-Mogul Powertrain, Inc. | 87 |
1 |
Huhtamaki Molded Fiber Technology B.V. | 57 |
1 |
Innovatech Engineering, LLC | 6 |
1 |
Oji Holdings Corporation | 712 |
1 |
Stora Enso Oyj | 1597 |
1 |
World Centric | 58 |
1 |
GPCP IP Holdings LLC | 1641 |
1 |
Tianbo Zheng | 2 |
1 |
OneWorld Packaging, S.L. | 3 |
1 |
Unwasted Limited | 6 |
1 |
Other owners | 6 |