- All sections
- D - Textilespaper
- D21F - Paper-making machinesmethods of producing paper thereon
- D21F 7/04 - Paper-break control devices
Patent holdings for IPC class D21F 7/04
Total number of patents in this class: 34
10-year publication summary
|
2
|
2
|
2
|
2
|
2
|
5
|
0
|
4
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2749 |
10 |
| Metso Paper, Inc. | 338 |
5 |
| ABB Schweiz AG | 7607 |
3 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
3 |
| Siemens AG | 24029 |
2 |
| Andritz Technology and Asset Management GmbH | 78 |
2 |
| Paprima Industries Inc. | 22 |
2 |
| Kimberly-clark Worldwide, Inc. | 5308 |
1 |
| First Quality Tissue, LLC | 164 |
1 |
| Industrial Video Solutions, Inc. | 11 |
1 |
| Metso Automation Oy | 61 |
1 |
| Procemex Oy | 34 |
1 |
| Andritz Aktiebolag | 67 |
1 |
| PerfectPattern GmbH | 1 |
1 |
| Other owners | 0 |