- All sections
- B - Performing operations; transporting
- B21J - Forging; hammering; pressing metal; riveting; forge 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: 100
10-year publication summary
|
6
|
13
|
5
|
9
|
4
|
2
|
8
|
8
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ATI Properties LLC | 202 |
8 |
| Hitachi Metals, Ltd. | 2175 |
6 |
| Bharat Forge Ltd. | 35 |
4 |
| GFM - GmbH | 31 |
4 |
| JX Nippon Mining & Metals Corporation | 1576 |
4 |
| Safran Aircraft Engines | 5739 |
4 |
| The Boeing Company | 19843 |
3 |
| ATI Properties, Inc. | 109 |
3 |
| Eaton Capital | 9 |
3 |
| JFE Steel Corporation | 6067 |
3 |
| SCHOTT AG | 1675 |
3 |
| Proterial, Ltd. | 638 |
3 |
| Furuya Metal Co., Ltd. | 116 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
| National Institute for Materials Science | 1108 |
2 |
| Smith & Nephew, Inc. | 2685 |
2 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
2 |
| Apple Inc. | 50209 |
1 |
| General Electric Company | 18133 |
1 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Other owners | 39 |