- 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 22/21 - Deep-drawing without fixing the border of the blank
Patent holdings for IPC class B21D 22/21
Total number of patents in this class: 91
10-year publication summary
|
13
|
4
|
2
|
5
|
14
|
1
|
6
|
5
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5649 |
14 |
| JFE Steel Corporation | 6067 |
5 |
| Stolle Machinery Company, LLC | 367 |
5 |
| Container Development, Ltd. | 9 |
4 |
| Latecoere | 168 |
3 |
| Luxfer Gas Cylinders Limited | 24 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
3 |
| ThyssenKrupp AG | 3086 |
3 |
| ThyssenKrupp Steel Europe AG | 924 |
3 |
| Alcoa Warrick LLC | 29 |
3 |
| Toyota Motor Corporation | 28582 |
2 |
| Adm28 S.à.r.l. | 45 |
2 |
| Leifeld Metal Spinning AG | 23 |
2 |
| Nisshin Steel Co., Ltd. | 401 |
2 |
| Jeong Woo Precision Co., Ltd. | 3 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Aisin AW Co., Ltd. | 2430 |
1 |
| Other owners | 30 |