- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 1/06 - Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
Patent holdings for IPC class B21J 1/06
Total number of patents in this class: 206
10-year publication summary
|
14
|
20
|
23
|
17
|
22
|
9
|
18
|
16
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1990 |
11 |
| ATI Properties LLC | 204 |
8 |
| Saint Augustin Canada Electric Inc. | 81 |
6 |
| Proterial, Ltd. | 803 |
6 |
| ATI Properties, Inc. | 101 |
5 |
| IHI Corporation | 3382 |
5 |
| Kobe Steel, Ltd. | 868 |
5 |
| Nippon Steel Corporation | 6097 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
5 |
| Safran Aircraft Engines | 6183 |
5 |
| NTN Corporation | 4979 |
4 |
| CITIC Dicastal CO., LTD | 558 |
4 |
| Magna International Inc. | 1214 |
4 |
| SMS Group GmbH | 1097 |
4 |
| General Electric Company | 17071 |
3 |
| Showa Denko K.K. | 2286 |
3 |
| Daido Steel Co., Ltd. | 261 |
3 |
| ILJIN Steel Corporation | 7 |
3 |
| Inductoheat, Inc. | 48 |
3 |
| Shinohara Press Service Co., Ltd. | 9 |
3 |
| Other owners | 111 |