- All sections
- D - Textilespaper
- D21F - Paper-making machinesmethods of producing paper thereon
- D21F 9/02 - Complete machines for making continuous webs of paper of the Fourdrinier type
Patent holdings for IPC class D21F 9/02
Total number of patents in this class: 100
10-year publication summary
|
3
|
6
|
4
|
9
|
10
|
8
|
3
|
6
|
9
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20248 |
19 |
| Voith Patent GmbH | 2752 |
16 |
| The Procter & Gamble Company | 21861 |
10 |
| Mondi AG | 210 |
5 |
| Intpro, LLC | 22 |
5 |
| Nippon Paper Industries Co., Ltd. | 848 |
4 |
| Valmet AB | 553 |
4 |
| Metso Paper, Inc. | 338 |
3 |
| Kimberly-clark Worldwide, Inc. | 5301 |
2 |
| Fcpapel LLC | 2 |
2 |
| Huyck Licensco, Inc., | 47 |
2 |
| Oji Holdings Corporation | 795 |
2 |
| Stora Enso Oyj | 1648 |
2 |
| UPM-Kymmene Corporation | 993 |
2 |
| Cobank, Acb, AS Administrative Agent | 35 |
2 |
| Fibu AB | 3 |
2 |
| Honeywell International Inc. | 12778 |
1 |
| Centre National de La Recherche Scientifique | 11016 |
1 |
| Hewlett-Packard Development Company, L.P. | 25216 |
1 |
| Allimand | 4 |
1 |
| Other owners | 14 |