- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/12 - Making hollow objects characterised by the structure of the objects objects with corrugated walls
Patent holdings for IPC class B21D 51/12
Total number of patents in this class: 19
10-year publication summary
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1
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1
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2
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1
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1
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2
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1
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1
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0
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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
|
|---|---|---|
| Greif International Holding B.V. | 111 |
2 |
| Keylex Corporation | 49 |
2 |
| Showa Rasenkan Seisakusho Co., Ltd. | 13 |
2 |
| Tokyo Metropolitan University | 98 |
2 |
| Victaulic Company | 614 |
2 |
| The Boeing Company | 20048 |
1 |
| Jiaxing Stone Wheel Co., Ltd. | 3 |
1 |
| Lucas Automotive GmbH | 321 |
1 |
| Montebello Packaging | 4 |
1 |
| Neturen Co., Ltd. | 198 |
1 |
| Nippon Steel Corporation | 6220 |
1 |
| Novelis Inc. | 746 |
1 |
| Qinhuangdao North Metal Hose Co., Ltd. | 1 |
1 |
| Benteler Steel/Tube GmbH | 35 |
1 |
| Other owners | 0 |