- All sections
- D - Textilespaper
- D21F - Paper-making machinesmethods of producing paper thereon
- D21F 1/04 - Head boxes of cylinder machines
Patent holdings for IPC class D21F 1/04
Total number of patents in this class: 10
10-year publication summary
|
2
|
0
|
0
|
0
|
1
|
1
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kimberly-clark Worldwide, Inc. | 5293 |
3 |
| Stowe Woodward Licensco, LLC | 52 |
2 |
| GBS Co., Ltd. | 5 |
1 |
| Metso Paper Sweden Aktiebolag | 44 |
1 |
| Runtech Systems Oy | 23 |
1 |
| Valmet AB | 534 |
1 |
| BS Co., Ltd. | 4 |
1 |
| Other owners | 0 |