- All sections
- D - Textilespaper
- D21J - Fibreboardmanufacture of articles from cellulosic fibrous suspensions or from papier-mâché
- D21J 3/00 - Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
Patent holdings for IPC class D21J 3/00
Total number of patents in this class: 393
10-year publication summary
|
9
|
23
|
15
|
38
|
25
|
43
|
45
|
55
|
44
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celwise AB | 27 |
17 |
| KIEFEL GmbH | 150 |
17 |
| Huhtamaki Molded Fiber Technology B.V. | 61 |
14 |
| Varden Process Pty Ltd | 33 |
12 |
| Metsä Spring Oy | 38 |
12 |
| Stora Enso Oyj | 1648 |
11 |
| Kemira Oyj | 1231 |
9 |
| Pakit International Trading Company Inc. | 12 |
8 |
| Changzhou City Cheng Xin Environmental Protection Technology Co., Ltd. | 23 |
8 |
| Hewlett-Packard Development Company, L.P. | 25450 |
7 |
| OrganoClick AB | 71 |
7 |
| Golden Arrow Printing Technology (Kunshan) Co., Ltd. | 14 |
7 |
| Rottneros Packaging AB | 9 |
7 |
| Congruens Group, LLC | 85 |
7 |
| Société des Produits Nestlé S.A. | 9926 |
5 |
| Shurcon Manufacturing (Zhejiang) Co., Ltd. | 18 |
5 |
| Footprint International, LLC | 82 |
5 |
| Zhejiang Shurcon Manufacturing Co Ltd | 5 |
5 |
| Golden Arrow Printing Technology Co., Ltd. | 28 |
5 |
| The Procter & Gamble Company | 21973 |
4 |
| Other owners | 221 |