- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 1/82 - Attaching windows
Patent holdings for IPC class B31B 1/82
Total number of patents in this class: 4
10-year publication summary
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0
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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| C.M.C. S.r.l. | 40 |
1 |
| Marietta Corporation | 30 |
1 |
| Winkler + Dunnebier GmbH | 39 |
1 |
| Å&R Carton Lund Aktiebolag | 34 |
1 |
| Other owners | 0 |