- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/169 - Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially actuated by toothed gearing
Patent holdings for IPC class B23B 31/169
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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0
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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kawatatec Corporation | 6 |
1 |
| Weihai Dawang Hardware Products Limited | 7 |
1 |
| Zhejiang Sanou Machinery Co. Ltd. | 21 |
1 |
| Jiangsu Fenghuang Intelligent Education Research Institute Co., Ltd | 9 |
1 |
| Other owners | 0 |