- 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: 10
10-year publication summary
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0
|
1
|
0
|
0
|
2
|
1
|
1
|
0
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0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Kodak Company | 2889 |
2 |
| Koenig & Bauer AG | 977 |
2 |
| Windmöller & Hölscher KG | 389 |
2 |
| Bobst Firenze S.r.l. | 35 |
1 |
| KBA-NotaSys SA | 144 |
1 |
| TKM Meyer GmbH | 17 |
1 |
| Unilin Nordic AB | 18 |
1 |
| Other owners | 0 |