- All sections
- B - Performing operations; transporting
- B41F - Printing machines or presses
- B41F 3/12 - Twin presses, i.e. with more than one cylinder or type-bed
Patent holdings for IPC class B41F 3/12
Total number of patents in this class: 3
10-year publication summary
|
1
|
0
|
0
|
0
|
1
|
0
|
0
|
0
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0
|
0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
1 |
| Heidelberger Druckmaschinen AG | 473 |
1 |
| Marketing Manufacturing & Technology(shanghai)co., Ltd. | 1 |
1 |
| Other owners | 0 |