- All sections
- B - Performing operations; transporting
- B67B - Applying closure members to bottles, jars, or similar containers; opening closed containers
- B67B 7/74 - Roller drive means causes initial piercing, i.e. force applied to rotate the wheel-like member causes the cutting element to pierce the container wall
Patent holdings for IPC class B67B 7/74
Total number of patents in this class: 2
10-year publication summary
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Black & Decker, Inc. | 2402 |
1 |
| Daka Research Inc. | 13 |
1 |
| Other owners | 0 |