- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 47/00 - Hand tools for making envelopes, bags, boxes or cartons
Patent holdings for IPC class B31B 47/00
Total number of patents in this class: 5
10-year publication summary
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0
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2
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0
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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Derwa, Louis | 1 |
1 |
| Emsize AB | 2 |
1 |
| Sacma S.p.A. | 6 |
1 |
| Parric Ningbo Stationery and Gifts Mrg. Co., Ltd. | 1 |
1 |
| Keepsake Card Craft (2004) Limited | 1 |
1 |
| Other owners | 0 |