- 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: 30
10-year publication summary
|
5
|
4
|
0
|
2
|
5
|
2
|
3
|
2
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| American Axle & Manufacturing, Inc. | 629 |
5 |
| GM Global Technology Operations LLC | 16219 |
2 |
| Benteler Automobiltechnik GmbH | 308 |
2 |
| Bruhnke, Ulrich | 7 |
2 |
| The Electric Materials Company | 5 |
2 |
| Imperial College Innovations Limited | 694 |
2 |
| Manufacturing Resources International, Inc. | 533 |
2 |
| Shandong University of Technology | 122 |
2 |
| Shear Form, Inc. | 3 |
2 |
| Prince Mohammad Bin Fahd University | 172 |
2 |
| BIOTRONIK AG | 446 |
1 |
| Imperial Innovations Limited | 541 |
1 |
| JFE Steel Corporation | 7617 |
1 |
| KHVATEC Co., Ltd. | 30 |
1 |
| Metal Industries Research & Development Centre | 243 |
1 |
| Robotzone, LLC | 50 |
1 |
| Jinwoo Altech Co., Ltd. | 2 |
1 |
| Other owners | 0 |