- All sections
- B - Performing operationstransporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rollingauxiliary operations used in connection with metal-working without essentially removing material
- B21C 37/14 - Making tubes from doubled flat material
Patent holdings for IPC class B21C 37/14
Total number of patents in this class: 15
10-year publication summary
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0
|
1
|
3
|
1
|
1
|
0
|
0
|
1
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0
|
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
|
|---|---|---|
| JFE Steel Corporation | 6708 |
2 |
| Keystone Tower Systems, Inc. | 47 |
2 |
| Hyundai Motor Company | 21349 |
1 |
| Kia Motors Corporation | 7763 |
1 |
| Behr GmbH & Co. KG | 325 |
1 |
| Dalian University of Technology | 1499 |
1 |
| MAHLE International GmbH | 2730 |
1 |
| PERI GmbH | 180 |
1 |
| Safran Nacelles | 696 |
1 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 132 |
1 |
| Seojin Industrial Co., Ltd. | 6 |
1 |
| Valeo Systemes Thermiques | 2677 |
1 |
| Nanjing Dade Steel Pipe Co., Ltd. | 6 |
1 |
| Other owners | 0 |