- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 29/84 - Forming valves or applying valve inserts
Patent holdings for IPC class B31B 29/84
Total number of patents in this class: 5
10-year publication summary
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1
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2
|
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
|
|---|---|---|
| Fuji Seal International, Inc. | 289 |
1 |
| Toppan Printing Co., Ltd. | 2212 |
1 |
| Totani Corporation | 121 |
1 |
| Melodian Co., Ltd. | 16 |
1 |
| R. J. Reynolds Tobacco Company | 264 |
1 |
| Other owners | 0 |