- 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 23/12 - Extruding bent tubes or rods
Patent holdings for IPC class B21C 23/12
Total number of patents in this class: 28
10-year publication summary
|
3
|
5
|
4
|
0
|
2
|
5
|
2
|
2
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| American Axle & Manufacturing, Inc. | 653 |
5 |
| Benteler Automobiltechnik GmbH | 290 |
2 |
| The Electric Materials Company | 5 |
2 |
| Imperial College Innovations Limited | 583 |
2 |
| Shandong University of Technology | 118 |
2 |
| Shear Form, Inc. | 3 |
2 |
| Prince Mohammad Bin Fahd University | 116 |
2 |
| GM Global Technology Operations LLC | 15000 |
1 |
| BIOTRONIK AG | 421 |
1 |
| Bruhnke, Ulrich | 5 |
1 |
| Imperial Innovations Limited | 596 |
1 |
| JFE Steel Corporation | 6827 |
1 |
| Metal Industries Research & Development Centre | 222 |
1 |
| Robotzone, LLC | 48 |
1 |
| Ulrich BRUHNKE | 8 |
1 |
| ECKA Granulate Velden GmbH | 1 |
1 |
| Beijing Oriental E.t Medical Equipment Co., Ltd | 5 |
1 |
| Jinwoo Altech Co., Ltd. | 2 |
1 |
| Other owners | 0 |