- All sections
- B - Performing operations; transporting
- B23F - Making gears or toothed racks
- B23F 13/02 - Making worms of cylindrical shape
Patent holdings for IPC class B23F 13/02
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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1
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1
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0
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1
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chongqing University | 221 |
1 |
| Kinematics, LLC | 23 |
1 |
| METALMECCANICA MERIDIONALE S.p.A. | 2 |
1 |
| KAPP NILES GmbH & Co. KG | 24 |
1 |
| Other owners | 0 |