- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 37/08 - Dies with different parts for several steps in a process
Patent holdings for IPC class B21D 37/08
Total number of patents in this class: 200
10-year publication summary
|
7
|
8
|
24
|
18
|
12
|
13
|
15
|
22
|
15
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Standard Lifters, Inc. | 96 |
27 |
| Nippon Steel Corporation | 6334 |
13 |
| JFE Steel Corporation | 6916 |
9 |
| Magna International Inc. | 1242 |
7 |
| H-one Co., Ltd. | 22 |
5 |
| Shenzhen Tatfook Technology Co., Ltd. | 102 |
5 |
| Compass Systems & Sales, LLC | 8 |
5 |
| Honda Motor Co., Ltd. | 25425 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
4 |
| Sankyo Oilless Industry, Inc. | 43 |
4 |
| ThyssenKrupp Steel Europe AG | 959 |
4 |
| Autotech Engineering S.L. | 161 |
4 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
3 |
| Latecoere | 195 |
3 |
| Novelis Inc. | 112 |
3 |
| GM Global Technology Operations LLC | 15150 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14462 |
2 |
| Feintool International Holding AG | 97 |
2 |
| Fritz Werner Industrie-Ausrüstungen GmbH | 7 |
2 |
| Gestamp Umformtechnik GmbH | 6 |
2 |
| Other owners | 90 |