- All sections
- B - Performing operations; transporting
- B21J - Forging; hammering; pressing metal; riveting; forge furnaces
- B21J 5/12 - Forming profiles on internal or external surfaces
Patent holdings for IPC class B21J 5/12
Total number of patents in this class: 166
10-year publication summary
|
12
|
18
|
25
|
15
|
23
|
13
|
12
|
3
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2732 |
9 |
| Aktiebolaget SKF | 2834 |
8 |
| NTN Corporation | 4980 |
7 |
| Gripmetal Limited | 52 |
7 |
| Sungjin Fo-ma Inc. | 9 |
5 |
| Felss Systems GmbH | 17 |
4 |
| ILJIN Steel Corporation | 7 |
4 |
| Neturen Co., Ltd. | 194 |
4 |
| Nippon Steel Corporation | 5991 |
4 |
| Toyota Motor Corporation | 30345 |
3 |
| Ernst Grob AG | 22 |
3 |
| Federal-Mogul Valvetrain GmbH | 63 |
3 |
| NUCAP Industries Inc. | 87 |
3 |
| PMG Asturias Powder Metal S.A.U. | 5 |
3 |
| Seki Press Co Ltd. | 11 |
3 |
| Reliefed AB | 28 |
3 |
| Denso Corporation | 23721 |
2 |
| ArcelorMittal | 2052 |
2 |
| Bharat Forge Ltd. | 35 |
2 |
| Bishop Innovation Limited | 9 |
2 |
| Other owners | 85 |