- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 29/74 - Machinery characterised by making envelopes or bags with structural provision at the base for thickness or contents and having means for effecting auxiliary operations
Patent holdings for IPC class B31B 29/74
Total number of patents in this class: 3
10-year publication summary
|
0
|
3
|
1
|
1
|
0
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0
|
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
|
|---|---|---|
| Kyoraku Co., Ltd. | 485 |
1 |
| Nagase & Co., Ltd. | 223 |
1 |
| Schur Technology A/S | 29 |
1 |
| Other owners | 0 |