- All sections
- B - Performing operationstransporting
- B67B - Applying closure members to bottles, jars, or similar containersopening closed containers
- B67B 7/22 - Hand- or power-operated devices for opening closed containers for breaking vacuum seals between lids or covers and bodies of preserving jars, e.g. by wedge action incorporating loops, e.g. of wire, which are tightened around seal
Patent holdings for IPC class B67B 7/22
Total number of patents in this class: 2
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daka Research Inc. | 7 |
1 |
| Steelco SpA | 54 |
1 |
| Other owners | 0 |