- All sections
- B - Performing operationstransporting
- B41F - Printing machines or presses
- B41F 31/07 - Troughs or like reservoirs with immersed, or partly immersed, rollers or cylinders for rotogravure
Patent holdings for IPC class B41F 31/07
Total number of patents in this class: 11
10-year publication summary
|
1
|
0
|
0
|
2
|
1
|
1
|
0
|
0
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koenig & Bauer AG | 970 |
3 |
| Eastman Kodak Company | 2733 |
2 |
| Windmöller & Hölscher KG | 380 |
2 |
| Bobst Firenze S.r.l. | 37 |
1 |
| KBA-NotaSys SA | 144 |
1 |
| TKM Meyer GmbH | 19 |
1 |
| Unilin Nordic AB | 17 |
1 |
| Other owners | 0 |