- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 9/03 - Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length and built-up from loose elements, e.g. series of balls
Patent holdings for IPC class B21D 9/03
Total number of patents in this class: 27
10-year publication summary
|
5
|
0
|
3
|
1
|
2
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1
|
1
|
1
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Acergy France SAS | 131 |
3 |
| Bendforce GmbH | 7 |
3 |
| CML International S.p.A. | 25 |
2 |
| Sango Co., Ltd. | 71 |
2 |
| Tennine Corporation | 10 |
2 |
| ThyssenKrupp Steel Europe AG | 961 |
2 |
| Zhejiang University | 3216 |
2 |
| Ford Global Technologies, LLC | 20769 |
1 |
| Beijing Jingumchang Automobile Hitech Co., Ltd. | 1 |
1 |
| BLM S.p.A. | 21 |
1 |
| Celanese International Corporation | 913 |
1 |
| G.a Tech. Co., Ltd. | 1 |
1 |
| Gumchang. Co., Ltd. | 5 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
1 |
| ThyssenKrupp Steel AG | 51 |
1 |
| Modelia S.r.l. | 1 |
1 |
| Ludwig Weber GmbH | 1 |
1 |
| Airbus Atlantic | 115 |
1 |
| Other owners | 0 |