- All sections
- B - Performing operationstransporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 37/74 - Machinery characterised by making envelopes or bags with structural provision at the base for thickness of contents, from webs, e.g. from tubular webs and having means for effecting auxiliary operations
Patent holdings for IPC class B31B 37/74
Total number of patents in this class: 6
10-year publication summary
|
2
|
0
|
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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Unitech Co., Ltd. | 192 |
2 |
| Fuji Seal International, Inc. | 285 |
2 |
| Totani Corporation | 118 |
1 |
| Garutsu Co., Ltd. | 2 |
1 |
| Other owners | 0 |