- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching metal
- B21D 37/01 - Selection of materials
Patent holdings for IPC class B21D 37/01
Total number of patents in this class: 141
10-year publication summary
14
|
15
|
16
|
10
|
15
|
17
|
14
|
8
|
10
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
17 |
Hitachi Metals, Ltd. | 2175 |
13 |
Toyo Seikan Group Holdings, Ltd. | 765 |
10 |
Nippon Steel Corporation | 5649 |
6 |
Oerlikon Surface Solutions AG, Pfaffikon | 556 |
5 |
GM Global Technology Operations LLC | 13620 |
4 |
Dayton Progress Corporation | 33 |
3 |
G-Tekt Corporation | 29 |
3 |
JFE Steel Corporation | 6067 |
3 |
Osaka Gas Co., Ltd. | 312 |
3 |
Proterial, Ltd. | 638 |
3 |
Ford Motor Company | 2817 |
2 |
Ford Global Technologies, LLC | 19702 |
2 |
Dowa Thermotech Co., Ltd. | 41 |
2 |
Gestamp HardTech AB | 112 |
2 |
Kobe Steel, Ltd. | 912 |
2 |
Magna International Inc. | 1236 |
2 |
Nippon Koshuha Steel Co., Ltd. | 28 |
2 |
Sandvik Intellectual Property AB | 1634 |
2 |
ThyssenKrupp Steel Europe AG | 924 |
2 |
Other owners | 53 |