- All sections
- B - Performing operations; transporting
- B41N - Printing plates or foils; materials for surfaces used in printing machines for printing, inking, damping, or the like; preparing such surfaces for use or conserving them
- B41N 1/18 - Curved printing plates, especially cylinders made of stone
Patent holdings for IPC class B41N 1/18
Total number of patents in this class: 4
10-year publication summary
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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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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Think Laboratory Co., Ltd. | 123 |
2 |
| Matthews International Corporation | 350 |
1 |
| Matthews International GmbH | 33 |
1 |
| Other owners | 0 |