- All sections
- B - Performing operations; transporting
- 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: 9
10-year publication summary
|
1
|
0
|
1
|
0
|
0
|
2
|
1
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Kodak Company | 3444 |
2 |
| Koenig & Bauer AG | 958 |
2 |
| Windmöller & Hölscher KG | 402 |
2 |
| Bobst Firenze S.r.l. | 34 |
1 |
| KBA-NotaSys SA | 159 |
1 |
| Unilin Nordic AB | 16 |
1 |
| Other owners | 0 |