- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 39/28 - Associations of only boring or drilling machines directed to a particular metal-working result
Patent holdings for IPC class B23B 39/28
Total number of patents in this class: 5
10-year publication summary
|
1
|
0
|
0
|
1
|
1
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1
|
0
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0
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0
|
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
|
|---|---|---|
| The Boeing Company | 20186 |
1 |
| Apex Brands, Inc. | 779 |
1 |
| Barclays Bank plc, AS Collateral Agent | 177 |
1 |
| Zhangjiagang Yucheng Machine Co., Ltd | 10 |
1 |
| Quanzhou Hiende Mechanical and Electrical Technology Development Co., Ltd. | 6 |
1 |
| Other owners | 0 |