- All sections
- B - Performing operations; transporting
- B21J - Forging; hammering; pressing metal; riveting; forge 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: 205
10-year publication summary
33
|
14
|
20
|
23
|
17
|
22
|
9
|
18
|
16
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hitachi Metals, Ltd. | 2175 |
11 |
ATI Properties LLC | 202 |
8 |
Saint Augustin Canada Electric Inc. | 90 |
7 |
ATI Properties, Inc. | 109 |
5 |
IHI Corporation | 3268 |
5 |
Kobe Steel, Ltd. | 912 |
5 |
Nippon Steel Corporation | 5649 |
5 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
5 |
Safran Aircraft Engines | 5739 |
5 |
NTN Corporation | 5008 |
4 |
CITIC Dicastal CO., LTD | 531 |
4 |
Magna International Inc. | 1236 |
4 |
SMS Group GmbH | 1029 |
4 |
Proterial, Ltd. | 638 |
4 |
General Electric Company | 18133 |
3 |
Showa Denko K.K. | 2539 |
3 |
Daido Steel Co., Ltd. | 237 |
3 |
ILJIN Steel Corporation | 6 |
3 |
Inductoheat, Inc. | 48 |
3 |
Shinohara Press Service Co., Ltd. | 10 |
3 |
Other owners | 111 |