- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge 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: 176
10-year publication summary
|
18
|
25
|
15
|
23
|
13
|
12
|
4
|
3
|
6
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2845 |
11 |
| Aktiebolaget SKF | 3156 |
9 |
| NTN Corporation | 4925 |
7 |
| Gripmetal Limited | 41 |
7 |
| Felss Systems GmbH | 24 |
5 |
| Sungjin Fo-ma Inc. | 9 |
5 |
| ILJIN Steel Corporation | 7 |
4 |
| Neturen Co., Ltd. | 198 |
4 |
| Nippon Steel Corporation | 6982 |
4 |
| Toyota Motor Corporation | 36159 |
3 |
| Federal-Mogul Valvetrain GmbH | 62 |
3 |
| NUCAP Industries Inc. | 81 |
3 |
| PMG Asturias Powder Metal S.A.U. | 5 |
3 |
| Seki Press Co Ltd. | 11 |
3 |
| Reliefed AB | 29 |
3 |
| Denso Corporation | 25746 |
2 |
| ArcelorMittal | 2736 |
2 |
| Bharat Forge Ltd. | 50 |
2 |
| Bishop Steering Technology Pty Ltd | 4 |
2 |
| Ernst Grob AG | 17 |
2 |
| Other owners | 92 |