- All sections
- D - Textilespaper
- D21F - Paper-making machinesmethods of producing paper thereon
- D21F 11/02 - Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibreboard production, on paper-making machines of the Fourdrinier type
Patent holdings for IPC class D21F 11/02
Total number of patents in this class: 57
10-year publication summary
|
3
|
0
|
3
|
5
|
4
|
1
|
5
|
5
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2765 |
9 |
| Stora Enso Oyj | 1650 |
7 |
| Billerudkorsnas AB | 87 |
4 |
| Mondi AG | 174 |
4 |
| Kimberly-clark Worldwide, Inc. | 5449 |
2 |
| Cascades Canada ULC | 607 |
2 |
| Structured I, LLC | 58 |
2 |
| UPM-Kymmene Corporation | 937 |
2 |
| GPCP IP Holdings LLC | 1637 |
2 |
| Solenis Technologies Cayman, L.P. | 39 |
2 |
| Fibu AB | 3 |
2 |
| Seiko Epson Corporation | 19458 |
1 |
| Murata Manufacturing Co., Ltd. | 24650 |
1 |
| Schaeffler Technologies AG & Co. KG | 9955 |
1 |
| Andritz AG | 233 |
1 |
| Arjowiggins Healthcare | 4 |
1 |
| delfortgroup AG | 151 |
1 |
| Feltri Marone S.p.A. | 14 |
1 |
| KTH Holding AB | 15 |
1 |
| Metso Paper, Inc. | 421 |
1 |
| Other owners | 10 |