- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 37/01 - Selection of materials
Patent holdings for IPC class B21D 37/01
Total number of patents in this class: 148
10-year publication summary
|
16
|
10
|
15
|
17
|
14
|
9
|
11
|
3
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2844 |
19 |
| Hitachi Metals, Ltd. | 1813 |
13 |
| Toyo Seikan Group Holdings, Ltd. | 857 |
10 |
| Nippon Steel Corporation | 7098 |
6 |
| Oerlikon Surface Solutions AG, Pfaffikon | 560 |
5 |
| Proterial, Ltd. | 962 |
5 |
| GM Global Technology Operations LLC | 16255 |
4 |
| JFE Steel Corporation | 7675 |
4 |
| Dayton Progress Corporation | 35 |
3 |
| G-Tekt Corporation | 56 |
3 |
| Ford Motor Company | 2646 |
2 |
| Ford Global Technologies, LLC | 21645 |
2 |
| Dowa Thermotech Co., Ltd. | 56 |
2 |
| Gestamp HardTech AB | 92 |
2 |
| Hyundai Steel Company | 550 |
2 |
| Kobe Steel, Ltd. | 901 |
2 |
| Magna International Inc. | 1176 |
2 |
| Nippon Koshuha Steel Co., Ltd. | 28 |
2 |
| Osaka Gas Co., Ltd. | 316 |
2 |
| Sandvik Intellectual Property AB | 1388 |
2 |
| Other owners | 56 |