- 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 23/01 - Extruding metalImpact extrusion starting from material of particular form or shape, e.g. mechanically pre-treated
Patent holdings for IPC class B21C 23/01
Total number of patents in this class: 61
10-year publication summary
|
6
|
3
|
5
|
2
|
2
|
4
|
5
|
2
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boothroyd Dewhurst, Inc. | 5 |
3 |
| Lawrence Livermore National Security, LLC | 1928 |
2 |
| Battelle Memorial Institute | 2476 |
2 |
| Purdue Research Foundation | 3578 |
2 |
| Alex Global Technology, Inc. | 21 |
2 |
| G. James Australia Pty. Ltd. | 4 |
2 |
| Granco Clark, Inc. | 11 |
2 |
| Iowa State University Research Foundation, Inc. | 769 |
2 |
| Jiangsu University | 1094 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
2 |
| Kurimoto, Ltd. | 90 |
2 |
| Nippon Steel Corporation | 6203 |
2 |
| Neue Materialien Fürth GmbH | 7 |
2 |
| Toyota Motor Corporation | 31764 |
1 |
| Hitachi, Ltd. | 15467 |
1 |
| Japan Science and Technology Agency | 1331 |
1 |
| ATI Properties LLC | 203 |
1 |
| Ball Corporation | 387 |
1 |
| Coperion GmbH | 153 |
1 |
| The Electric Materials Company | 5 |
1 |
| Other owners | 27 |