- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 9/18 - Auxiliary equipment, e.g. machines for filling tubes with sand for heating or cooling of bends
Patent holdings for IPC class B21D 9/18
Total number of patents in this class: 14
10-year publication summary
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1
|
0
|
0
|
3
|
0
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1
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0
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0
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8694 |
3 |
| Hubbell Incorporated | 3253 |
2 |
| Acergy France SAS | 128 |
2 |
| Dalian University of Technology | 1517 |
1 |
| J. Ray McDermott, S.A. | 61 |
1 |
| Karl Kipry | 1 |
1 |
| Peter Amborn | 1 |
1 |
| Ultra Clean Holdings, Inc. | 20 |
1 |
| Nanchang Hangkong University | 32 |
1 |
| Nanchang Hangkong University (NCHU) | 2 |
1 |
| Other owners | 0 |