- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 31/00 - Control devices specially adapted for positioning tool carriers
Patent holdings for IPC class B21K 31/00
Total number of patents in this class: 5
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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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otkrytoe Aktsionernoe Obschestvo "tyazhpressmash" | 2 |
2 |
| Smith International, Inc. | 684 |
1 |
| GKN Sinter Metals Engineering GmbH | 115 |
1 |
| Kamax Holding GmbH & Co. KG | 139 |
1 |
| Other owners | 0 |