- All sections
- B - Performing operationstransporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rollingauxiliary operations used in connection with metal-working without essentially removing material
- B21C 27/04 - Venting metal-container chamber
Patent holdings for IPC class B21C 27/04
Total number of patents in this class: 4
10-year publication summary
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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
|
|---|---|---|
| Ube Machinery Corporation, Ltd. | 121 |
4 |
| Other owners | 0 |