- 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: 65
10-year publication summary
|
0
|
5
|
6
|
5
|
1
|
6
|
5
|
7
|
6
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2749 |
13 |
| Stora Enso Oyj | 1653 |
7 |
| Mondi AG | 211 |
5 |
| Billerudkorsnas AB | 88 |
4 |
| Kimberly-clark Worldwide, Inc. | 5308 |
2 |
| Cascades Canada ULC | 591 |
2 |
| Structured I, LLC | 62 |
2 |
| UPM-Kymmene Corporation | 994 |
2 |
| Wm. Wrigley Jr. Company | 1129 |
2 |
| GPCP IP Holdings LLC | 1529 |
2 |
| Solenis Technologies Cayman, L.P. | 34 |
2 |
| Fibu AB | 3 |
2 |
| Seiko Epson Corporation | 20256 |
1 |
| Murata Manufacturing Co., Ltd. | 25744 |
1 |
| Schaeffler Technologies AG & Co. KG | 10968 |
1 |
| Andritz AG | 244 |
1 |
| Arjowiggins Healthcare | 4 |
1 |
| delfortgroup AG | 156 |
1 |
| Feltri Marone S.p.A. | 14 |
1 |
| Fiber Tech Co., Ltd. | 6 |
1 |
| Other owners | 12 |