- All sections
- B - Performing operations; transporting
- B41F - Printing machines or presses
- B41F 5/20 - Rotary letterpress machines specially adapted for proof printing
Patent holdings for IPC class B41F 5/20
Total number of patents in this class: 7
10-year publication summary
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1
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0
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0
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0
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0
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0
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0
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0
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0
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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
|
|---|---|---|
| Bobst Bielefeld GmbH | 57 |
2 |
| Ball Europe GmbH | 25 |
1 |
| GMF Flexo Prepress Inc. | 1 |
1 |
| Harper Corporation of America | 7 |
1 |
| Integrity Engineering, Inc. | 2 |
1 |
| Fischer & Krecke GmbH | 6 |
1 |
| Other owners | 0 |