- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching 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: 12
10-year publication summary
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0
|
0
|
5
|
2
|
1
|
1
|
1
|
2
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0
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Continental Teves AG & Co. oHG | 2354 |
2 |
| Ball Corporation | 390 |
2 |
| Cleveland Tool and Machine, LLC | 6 |
2 |
| Toyota Motor Corporation | 28582 |
1 |
| Comau S.p.A. | 146 |
1 |
| Kloepfer, Michael | 5 |
1 |
| Wf-maschinenbau und Blechformtechnik GmbH & Co. KG | 14 |
1 |
| Winkelmann Powertrain Components GmbH & Co. KG | 23 |
1 |
| Bult, James | 4 |
1 |
| Other owners | 0 |