- All sections
- B - Performing operations; transporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling; auxiliary operations used in connection with metal-working without essentially removing material
- B21C 23/01 - Extruding metal; Impact 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: 56
10-year publication summary
4
|
6
|
3
|
5
|
2
|
2
|
4
|
5
|
2
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Boothroyd Dewhurst, Inc. | 5 |
3 |
Kurimoto, Ltd. | 91 |
3 |
Battelle Memorial Institute | 2397 |
2 |
Purdue Research Foundation | 3439 |
2 |
Alex Global Technology, Inc. | 21 |
2 |
G. James Australia Pty. Ltd. | 4 |
2 |
Gohsyu Co., Ltd. | 4 |
2 |
Granco Clark, Inc. | 10 |
2 |
Jiangsu University | 1019 |
2 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2905 |
2 |
Nippon Steel Corporation | 5955 |
2 |
Neue Materialien Fürth GmbH | 7 |
2 |
Toyota Motor Corporation | 29844 |
1 |
Hitachi, Ltd. | 16371 |
1 |
Lawrence Livermore National Security, LLC | 1870 |
1 |
Japan Science and Technology Agency | 1450 |
1 |
ATI Properties LLC | 203 |
1 |
Ball Corporation | 391 |
1 |
Coperion GmbH | 145 |
1 |
The Electric Materials Company | 5 |
1 |
Other owners | 22 |