- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 1/02 - Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
Patent holdings for IPC class B21J 1/02
Total number of patents in this class: 105
10-year publication summary
|
5
|
9
|
4
|
2
|
8
|
9
|
3
|
5
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ATI Properties LLC | 200 |
8 |
| Hitachi Metals, Ltd. | 1900 |
6 |
| Proterial, Ltd. | 933 |
5 |
| Bharat Forge Ltd. | 49 |
4 |
| GFM - GmbH | 33 |
4 |
| Safran Aircraft Engines | 6671 |
4 |
| The Boeing Company | 20160 |
3 |
| ATI Properties, Inc. | 82 |
3 |
| Eaton Capital | 9 |
3 |
| JFE Steel Corporation | 7508 |
3 |
| JX Nippon Mining & Metals Corporation | 1461 |
3 |
| SCHOTT AG | 1737 |
3 |
| Massachusetts Institute of Technology | 10239 |
2 |
| Furuya Metal Co., Ltd. | 115 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
2 |
| POSCO Co., Ltd. | 2006 |
2 |
| Smith & Nephew, Inc. | 2637 |
2 |
| Sumitomo Heavy Industries, Ltd. | 2110 |
2 |
| Apple Inc. | 58705 |
1 |
| Honda Motor Co., Ltd. | 26008 |
1 |
| Other owners | 42 |