- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/14 - Flattening hollow objects for transport or storageSubsequent re-forming
Patent holdings for IPC class B21D 51/14
Total number of patents in this class: 2
10-year publication summary
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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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0
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0
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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
|
|---|---|---|
| National Machinery LLC | 42 |
1 |
| Trinity Bay Equipment Holdings, LLC | 76 |
1 |
| Other owners | 0 |