- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 24/06 - Mechanically spring-loaded blank holders
Patent holdings for IPC class B21D 24/06
Total number of patents in this class: 17
10-year publication summary
|
3
|
1
|
4
|
1
|
0
|
0
|
1
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6895 |
8 |
| Nisshin Steel Co., Ltd. | 382 |
2 |
| AIDA Engineering, Ltd. | 137 |
1 |
| Audi AG | 7561 |
1 |
| Constellium Neuf-brisach | 140 |
1 |
| Keylex Corporation | 50 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
1 |
| Penn Engineering & Manufacturing Corp. | 72 |
1 |
| Toyo Seikan Group Holdings, Ltd. | 854 |
1 |
| Other owners | 0 |