- 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 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
Patent holdings for IPC class B21C 31/00
Total number of patents in this class: 76
10-year publication summary
|
6
|
4
|
6
|
5
|
4
|
3
|
8
|
5
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ube Machinery Corporation, Ltd. | 121 |
11 |
| Manchester Copper Products, LLC | 16 |
8 |
| Boothroyd Dewhurst, Inc. | 5 |
3 |
| EXCO Technologies Limited | 53 |
3 |
| Felss Systems GmbH | 17 |
3 |
| SMS Group GmbH | 1102 |
3 |
| Hydro Extrusion USA, LLC | 33 |
3 |
| Lawrence Livermore National Security, LLC | 1915 |
2 |
| H. Folke Sandelin AB | 11 |
2 |
| Iowa State University Research Foundation, Inc. | 759 |
2 |
| SMS Meer GmbH | 66 |
2 |
| Technische Universitat Berlin | 355 |
2 |
| Yale University | 2341 |
2 |
| Xi'an Metalwk Hydraumatic Machinery Co., Ltd. | 2 |
2 |
| Siemens AG | 24542 |
1 |
| ASMAG-Holding GmbH | 46 |
1 |
| Boston Inventions, LLC | 3 |
1 |
| Central Iron and Steel Research Institute | 20 |
1 |
| Dalian Jiaotong University | 8 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
1 |
| Other owners | 22 |