- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 7/46 - Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups
Patent holdings for IPC class B21J 7/46
Total number of patents in this class: 14
10-year publication summary
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1
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1
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2
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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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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Langenstein & Schemann GmbH | 41 |
3 |
| SMS Group GmbH | 1081 |
2 |
| GM Global Technology Operations LLC | 14308 |
1 |
| ABB Schweiz AG | 6650 |
1 |
| Cell Impact AB | 20 |
1 |
| Fanuc America Corporation | 64 |
1 |
| Felss GmbH | 9 |
1 |
| Specialty Minerals (Michigan) Inc. | 218 |
1 |
| Sumitomo Heavy Industries, Ltd. | 1818 |
1 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 559 |
1 |
| Vamco International, Inc. | 10 |
1 |
| Other owners | 0 |