- 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 24/06 - Mechanically spring-loaded blank holders
Patent holdings for IPC class B21D 24/06
Total number of patents in this class: 16
10-year publication summary
|
2
|
2
|
3
|
1
|
4
|
1
|
0
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5649 |
7 |
| Nisshin Steel Co., Ltd. | 401 |
2 |
| AIDA Engineering, Ltd. | 127 |
1 |
| Audi AG | 7153 |
1 |
| Constellium Neuf-brisach | 115 |
1 |
| Keylex Corporation | 48 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
1 |
| Penn Engineering & Manufacturing Corp. | 73 |
1 |
| Toyo Seikan Group Holdings, Ltd. | 765 |
1 |
| Other owners | 0 |