- 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 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: 25
10-year publication summary
|
2
|
5
|
0
|
4
|
1
|
2
|
2
|
1
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Acergy France SAS | 124 |
3 |
| Sango Co., Ltd. | 73 |
3 |
| CML International S.p.A. | 28 |
2 |
| Tennine Corporation | 10 |
2 |
| ThyssenKrupp Steel Europe AG | 924 |
2 |
| Zhejiang University | 2619 |
2 |
| Bendforce GmbH | 6 |
2 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Beijing Jingumchang Automobile Hitech Co., Ltd. | 1 |
1 |
| BLM S.p.A. | 21 |
1 |
| G.a Tech. Co., Ltd. | 1 |
1 |
| Gumchang. Co., Ltd. | 3 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
1 |
| ThyssenKrupp Steel AG | 80 |
1 |
| Modelia S.r.l. | 1 |
1 |
| Ludwig Weber GmbH | 2 |
1 |
| Other owners | 0 |