- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 5/20 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for turning crankshafts, eccentrics, or cams, e.g. crankpin lathes without removing same from the engine
Patent holdings for IPC class B23B 5/20
Total number of patents in this class: 11
10-year publication summary
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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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1
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1
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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
|
|---|---|---|
| Tungaloy Corporation | 540 |
3 |
| Kyocera Corporation | 14423 |
2 |
| Sumitomo Electric Hardmetal Corp. | 1102 |
1 |
| Toray Plastics (America), Inc. | 197 |
1 |
| Kennametal Inc. | 1355 |
1 |
| Cole Carbide Industries, Inc. | 2 |
1 |
| Iscar, Ltd. | 1083 |
1 |
| SECO Tools AB | 448 |
1 |
| Other owners | 0 |