- All sections
- D - Textilespaper
- D21J - Fibreboardmanufacture of articles from cellulosic fibrous suspensions or from papier-mâché
- D21J 7/00 - Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of fibres in or on a wire-net mould
Patent holdings for IPC class D21J 7/00
Total number of patents in this class: 237
10-year publication summary
|
18
|
5
|
25
|
12
|
24
|
16
|
23
|
33
|
36
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pulpex Limited | 45 |
26 |
| Footprint International, LLC | 78 |
20 |
| Celwise AB | 27 |
19 |
| Stora Enso Oyj | 1645 |
13 |
| Hewlett-Packard Development Company, L.P. | 25869 |
10 |
| Huhtamaki Molded Fiber Technology B.V. | 58 |
8 |
| Varden Process Pty Ltd | 31 |
8 |
| Diageo Great Britain Limited | 53 |
6 |
| SIG Technology AG | 316 |
6 |
| PAPACKS SALES GmbH | 50 |
6 |
| Krones AG | 2190 |
5 |
| OrganoClick AB | 73 |
5 |
| Société des Produits Nestlé S.A. | 9289 |
4 |
| KIEFEL GmbH | 137 |
4 |
| Acorn West LLC | 10 |
4 |
| Brødrene Hartmann A/S | 43 |
4 |
| Natural Resources (2000) Limited | 4 |
4 |
| Alpla Werke Alwin Lehner GmbH & Co. KG | 373 |
3 |
| Nanyang Technological University | 2016 |
3 |
| Changzhou City Cheng Xin Environmental Protection Technology Co., Ltd. | 23 |
3 |
| Other owners | 76 |