- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/04 - Making hollow objects characterised by the structure of the objects built-up objects, e.g. objects with rigidly-attached bottom or cover
Patent holdings for IPC class B21D 51/04
Total number of patents in this class: 13
10-year publication summary
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0
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3
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1
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1
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1
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1
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2
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0
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2
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3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cleveland Tool and Machine, LLC | 5 |
2 |
| LG Electronics Inc. | 73476 |
1 |
| Toyota Motor Corporation | 32681 |
1 |
| Continental Teves AG & Co. oHG | 1557 |
1 |
| Ball Corporation | 386 |
1 |
| Comau S.p.A. | 155 |
1 |
| Wf-maschinenbau und Blechformtechnik GmbH & Co. KG | 12 |
1 |
| Winkelmann Powertrain Components GmbH & Co. KG | 22 |
1 |
| Sif Holding N.V. | 32 |
1 |
| Punchbowl Packaging Limited | 5 |
1 |
| Castellini Officine Meccaniche S.r.l. | 4 |
1 |
| Continental Automotive Technologies GmbH | 2900 |
1 |
| Other owners | 0 |