- 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: 214
10-year publication summary
|
20
|
23
|
17
|
22
|
9
|
18
|
16
|
4
|
5
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1901 |
11 |
| Proterial, Ltd. | 931 |
9 |
| ATI Properties LLC | 200 |
8 |
| Safran Aircraft Engines | 6664 |
6 |
| Saint Augustin Canada Electric Inc. | 63 |
6 |
| ATI Properties, Inc. | 82 |
5 |
| IHI Corporation | 3532 |
5 |
| Kobe Steel, Ltd. | 899 |
5 |
| Nippon Steel Corporation | 6839 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
5 |
| CITIC Dicastal CO., LTD | 568 |
4 |
| Magna International Inc. | 1199 |
4 |
| SMS Group GmbH | 1193 |
4 |
| General Electric Company | 13894 |
3 |
| NTN Corporation | 4914 |
3 |
| Daido Steel Co., Ltd. | 284 |
3 |
| ILJIN Steel Corporation | 7 |
3 |
| Inductoheat, Inc. | 47 |
3 |
| Shinohara Press Service Co., Ltd. | 8 |
3 |
| Howmet Aerospace Inc. | 406 |
3 |
| Other owners | 116 |