- 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 39/10 - Tube expanders with rollers for expanding only
Patent holdings for IPC class B21D 39/10
Total number of patents in this class: 8
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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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Eaton Corporation | 1839 |
1 |
| C.M.S. Costruzione Macchine Speciali S.r.l. | 5 |
1 |
| Nisshin Steel Co., Ltd. | 401 |
1 |
| Universität Dortmund | 14 |
1 |
| Uniweld Products, Inc. | 73 |
1 |
| Eaton Intelligent Power Limited | 6113 |
1 |
| Other owners | 0 |