- 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 23/04 - Making uncoated products by direct extrusion
Patent holdings for IPC class B21C 23/04
Total number of patents in this class: 52
10-year publication summary
|
2
|
2
|
0
|
5
|
8
|
3
|
3
|
5
|
8
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Battelle Memorial Institute | 2534 |
20 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
3 |
| Magna International Inc. | 1215 |
2 |
| Shandong University | 1096 |
2 |
| Lockheed Martin Corporation | 3275 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1665 |
1 |
| Constellium SINGEN GmbH | 101 |
1 |
| GKN Driveline International GmbH | 147 |
1 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22016 |
1 |
| Korea Automotive Technology Institute | 84 |
1 |
| MadeSolid, Inc. | 3 |
1 |
| Naeco, LLC | 14 |
1 |
| Nidec Corporation | 2727 |
1 |
| Nippon Steel Corporation | 6589 |
1 |
| Norsk Hydro ASA | 254 |
1 |
| Ohio University | 365 |
1 |
| Pukyong National University Industry-University Cooperation Foundation | 360 |
1 |
| Technische Universitat Dortmund | 99 |
1 |
| Ube Machinery Corporation, Ltd. | 116 |
1 |
| MELD Manufacturing Corporation | 53 |
1 |
| Other owners | 9 |